ii 2011 by Juniper Networks, Inc. All rights reserved. Juniper Networks Juniper Networks Junos NetScreen ScreenOS Juniper Networks, Inc. Junose 1 5,47

Transcription

1 Junos Day One EIGRP OSPF W IV Junos IOS Junos

2 ii 2011 by Juniper Networks, Inc. All rights reserved. Juniper Networks Juniper Networks Junos NetScreen ScreenOS Juniper Networks, Inc. Junose 1 5,473,599 5,905,725 5,909,440 6,192,051 6,333,650 6,359,479 6,406,312 6,429,706 6,459,579 6,493,347 6,538,518 6,538,899 6,552,918 6,567,902 6,578,186 6,590,785 W IV JNCIP-M #991 Cisco CCIE R&S # JWP dayone@ juniper.net Day One Juniper Networks Books W IV Junos ISBN Vervante Corporation ISBN # en

3 iii IPv4 IPv4 IPv4 Cisco IOS Junos Day One IGP Interior Gateway Protocol EIGRP OSPF EIGRP OSPF IGP IGP EIGRP OSPF

4 iv EIGRP OSPF EIGRP OSPF Cisco EIGRP OSPF Cisco Cisco EIGRP OSPF OSPF EIGRP 1 WAN OSPF RIP 1 Migrating EIGRP Networks to OSPF net/us/en/local/pdf/whitepapers/ en.pdf EIGRP OSPF

5 EIGRP OSPF v MPLS MPLS ISP MPLS VPN ISP MPLS L3VPN PE Provider Edge - CE Customer Edge OSPF BGP OSPF MPLS VPN ISP Cisco ISP PE-CE OSPF RFC 4577 OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs) OSPF MPLS IGP MPLS MPLS IGP TED Traffic Engineering Database OSPF IS-IS IGP MPLS LSP A B TED TED EIGRP OSPF

6 vi EIGRP OSPF IP Fast Reroute EIGRP / OSPF LFA Loop-Free Alternates IP LFA OSPF IS-IS SONET Junos OSPF IS-IS LDP LFA Cisco OSPF IS-IS IOS-XR LFA LFA RFC 5286 EIGRP OSPF Day One IGP

7 1 OSPF...8 EIGRP OSPF

8 8 Day One EIGRP OSPF OSPF IGP Interior Gateway Protocol IGP IGP IGP IGP IGP RIP Routing Information Protocol IGRP Interior Gateway Routing Protocol IP IGP RIP IGRP 1990 TE Traffic Engineering EIGRP OSPF OSPF IGP OSPF / CCNA JNCIA OSPF OSPF OSPF Junos Enterprise Routing O Reilly Media OSPF OSPF OSPF OSPFv2 OSPF Version 2 OSPFv1 RFC RFC RFC 1247 OSPF

9 1 9 2 OSPF RFC RFC 2328 RFC 4203 OSPF OSPF OSPFv1 OSPFv2 IPv6 OSPFv3 OSPFv2 Junos protocols protocols ospf3 SFP OSPF SPF Shortest Path First OSPF OSPF IS-IS OSPF SPF SPF OSPF OSPF OSPF Hello Hello OSPF Hello OSPF

10 10 Day One EIGRP OSPF 1.1 OSPF Hello ATM OSPF NBMA Non-Broadcast Multi-Access PVC DLCI TDM SONET OSPF Hello Hello IP DR/BDR DR/BDR NBMA Junos OSPF NMBA 3 IOS Junos Junos Cisco OSPF

11 OSPF Down Attempt Init 2-Way Exstart Exchange Hello NMBA Hello Hello Loading LSA Full OSPF LSA Link State Advertisements LSA LSA 1.3 OSPF

12 12 Day One EIGRP OSPF 1.3 OSPF LSA LSA Type-1 LSA Type-1 LSA *DR/DBR Type-2 LSA NBMA Type-2 LSA Type-2 LSA Type-3 LSA 2 Type-1 Type-2 LSA LSA Type-4 LSA Type-4 LSA OSPF OSPF Type-5 LSA OSPF Type- 5 LSA LSA Hello LSA LSDB Link State Database OSPF LSDB SPF LSDB EIGRP OSPF

13 1 13 OSPF OSPF OSPF CPU WAN Wide Area Network SOHO Small Office Home Office WAN OSPF OSPF OSPF LSA

14 14 Day One EIGRP OSPF 1.4 OSPF LSA LSA 0 Type Type Type-3 Type OSPF Type-1-2 Not-So-Stubby Type-3 Type Not-So-Stubby Type EIGRP OSPF EIGRP OSPF OSPF IGP EIGRP Cisco Cisco IGP EIGRP

15 1 15 EIGRP AppleTalk IPX IGP Novell Apple IP EIGRP EIGRP OSPF EIGRP OSPF EIGRP OSPF EIGRP IGP EIGRP EIGRP EIGRP Classless Interdomain Routing CIDR Classless Interdomain Routing VLSM Variable Length Subnet Masks IGP CIDR IP /30 /18 /15 CIDR IP WAN /24 1.5

16 16 Day One EIGRP OSPF 1.5 IP A / B / C / Hello IGP Hello EIGRP OSPF 1.6 EIGRP OSPF EIGRP Hello/Ack OSPF Hello

17 1 17 EIGRP OSPF ECMP Equal Cost Multipath 2 EIGRP OSPF EIGRP OSPF EIGRP EIGRP 6 MTU EIGRP 2 = + tech/tk365/technologies_white_paper09186a cb7. shtml

18 18 Day One EIGRP OSPF EIGRP EIGRP EIGRP EIGRP RFC 5286 Basic Specification for IP Fast Reroute: Loop-Free Alternates Cisco IP-FRR Junos OSPF IS-IS LDP LFA OSPF OSPF 10^8 100Mbps 100Mbps 1 OSPF 100Gbps OSPF OSPF OSPF 1. 2.

19 1 19 OSPF EIGRP 3. OSPF EIGRP EIGRP OSPF EIGRP AS OSPF AS EIGRP OSPF IGP IGP net/solutions/literature/white_papers/ pdf 1.1 EIGRP OSPF OSPF EIGRP Cisco

20 20 Day One EIGRP OSPF コア 分散 EIGRP アクセス OSPF 1.1 OSPF 5 OSPF Cisco

21 EIGRP 90 OSPF OSPF EIGRP 170 IGP IGP 1 IGP IGP IGP IGP IGP CPU 1 IGP 1 2 SOHO IGP

22 22 Day One EIGRP OSPF コア EIGRP 分散 再配布 OSPF アクセス 1.2 OSPF 11 EIGRP 21 IGP

23 1 23 IGP 1.3 再配布 分散 コア OSPF EIGRP アクセス 1.3 IGP IGP

24 24 Day One EIGRP OSPF EIGRP OSPF IGP IP IP Cisco Cisco 2 IGP EIGRP R1 R2 R3 R4 SW

25 1 25 Visio CLI IP IP IOS show ip interface brief 1 R1 r1#show ip interface brief exclude down Interface IP-Address OK?Method Status Protocol FastEthernet0/ YES manual up up FastEthernet0/ YES manual up up Virtual-Access1 unassigned YES unset up up Loopback YES manual up up r1# 2 R2 r2#show ip interface brief exclude down Interface IP-Address OK?Method Status Protocol FastEthernet0/ YES NVRAM up up FastEthernet0/ YES NVRAM up up Loopback YES NVRAM up up r2# 3 R3 r3#show ip interface brief exclude down Interface IP-Address OK?Method Status Protocol FastEthernet0/ YES manual up up FastEthernet0/ YES manual up up FastEthernet0/ YES manual up up FastEthernet0/ YES manual up up FastEthernet0/ YES manual up up Loopback YES manual up up r3#

26 26 Day One EIGRP OSPF 4 R4 r4#show ip interface brief exclude down Interface IP-Address OK? Method Status Protocol FastEthernet0/ YES manual up up FastEthernet0/ YES NVRAM up up FastEthernet0/ YES NVRAM up up FastEthernet0/ YES NVRAM up up FastEthernet0/ YES NVRAM up up Loopback YES manual up up r4# IP IP R1 R2 Fa0/ Fa0/ R1 R3 Fa0/ Fa0/ R2 R4 Fa0/ Fa0/ R3 VLAN 1 Fa0/ R3 VLAN30 Fa0/ R3 VLAN40 Fa0/ R3 VLAN50 Fa0/ R4 VLAN 1 Fa0/ R4 VLAN30 Fa0/ R4 VLAN40 Fa0/ R4 VLAN50 Fa0/ R1 Loopback R2 Loopback R3 Loopback R4 Loopback

27 1 27 EIGRP IOS show ip eirgrp interfaces 1 R1 r1#show ip eigrp interfaces IP-EIGRP interfaces for process 1 Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Fa0/0 1 0/0 55 0/ Fa0/1 1 0/0 1 0/ Lo0 0 0/0 0 0/ r1#show ip eigrp neighbors IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq Type (sec) (ms) Cnt Num Fa0/ :33: Fa0/ :46: r1# 2 R2 r2#show ip eigrp interfaces IP-EIGRP interfaces for process 1 Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Fa0/0 1 0/0 0 0/ Fa0/1 1 0/0 1 0/ Lo0 0 0/0 0 0/ r2#show ip eigrp neighbors IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :32: Fa0/ :32: r2# 3 R3 r3#show ip eigrp interfaces IP-EIGRP interfaces for process 1 Xmit Queue Mean Pacing Time Multicast Pending

28 28 Day One EIGRP OSPF Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Fa0/0 1 0/0 1 0/ r3#show ip eigrp neighbors IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :46: r3# 4 R4 r4#show ip eigrp interfaces IP-EIGRP interfaces for process 1 Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Fa0/0 1 0/0 4 0/ r4#show ip eigrp neighbors IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :32: r4# EIGRP IGP OSPF IOS show ip route summary IGP 1 R1 r1#show ip route summary IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected static eigrp internal Total

29 1 29 r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set C /24 is directly connected, FastEthernet0/1 C /24 is directly connected, FastEthernet0/0 D EX /24 [170/30720] via , 00:25:05, FastEthernet0/0 D /24 [90/30720] via , 00:26:17, FastEthernet0/1 D EX /24 [170/30720] via , 00:25:05, FastEthernet0/ /24 is subnetted, 1 subnets D EX [170/30720] via , 00:03:00, FastEthernet0/0 D EX /24 [170/30720] via , 00:25:05, FastEthernet0/ /32 is subnetted, 1 subnets D EX [170/158720] via , 00:25:23, FastEthernet0/1 D EX /24 [170/30720] via , 00:25:05, FastEthernet0/ /32 is subnetted, 1 subnets C is directly connected, Loopback /32 is subnetted, 1 subnets D [90/156160] via , 00:26:20, FastEthernet0/ /32 is subnetted, 1 subnets D EX [170/156160] via , 00:25:07, FastEthernet0/0 r1# 2 R2 r2#show ip route summary IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 16 Route Source Networks Subnets Overhead Memory (bytes) connected static eigrp internal Total r2#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route

30 30 Day One EIGRP OSPF Gateway of last resort is not set C /24 is directly connected, FastEthernet0/1 D /24 [90/30720] via , 00:25:26, FastEthernet0/1 D EX /24 [170/30720] via , 00:24:14, FastEthernet0/0 C /24 is directly connected, FastEthernet0/0 D EX /24 [170/30720] via , 00:24:14, FastEthernet0/ /24 is subnetted, 1 subnets D EX [170/33280] via , 00:02:09, FastEthernet0/1 D EX /24 [170/30720] via , 00:24:15, FastEthernet0/ /32 is subnetted, 1 subnets D EX [170/156160] via , 00:24:32, FastEthernet0/0 D EX /24 [170/30720] via , 00:24:15, FastEthernet0/ /32 is subnetted, 1 subnets D [90/156160] via , 00:25:27, FastEthernet0/ /32 is subnetted, 1 subnets C is directly connected, Loopback /32 is subnetted, 1 subnets D EX [170/158720] via , 00:24:15, FastEthernet0/1 r2# 3 R3 r3#show ip route summary IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected static eigrp internal Total r3#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set D /24 [90/30720] via , 00:22:55, FastEthernet0/0 C /24 is directly connected, FastEthernet0/0 C /24 is directly connected, FastEthernet0/1.30 D /24 [90/33280] via , 00:22:55, FastEthernet0/0 C /24 is directly connected, FastEthernet0/ /24 is subnetted, 1 subnets S [1/0] via

31 1 31 C D EX C D D C r3# /24 is directly connected, FastEthernet0/ /32 is subnetted, 1 subnets [170/161280] via , 00:22:55, FastEthernet0/ /24 is directly connected, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 00:22:55, FastEthernet0/ /32 is subnetted, 1 subnets [90/158720] via , 00:22:57, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback0 4 R4 r4#show ip route summary IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected static eigrp internal Total r4#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set D D C C C D EX C C C D D D EX r4# /24 [90/30720] via , 00:26:18, FastEthernet0/ /24 [90/33280] via , 00:26:18, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 is subnetted, 1 subnets [170/35840] via , 00:03:55, FastEthernet0/ /24 is directly connected, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback /24 is directly connected, FastEthernet0/ /32 is subnetted, 1 subnets [90/158720] via , 00:26:18, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 00:26:19, FastEthernet0/ /32 is subnetted, 1 subnets [170/161280] via , 00:26:01, FastEthernet0/0

32 32 Day One EIGRP OSPF EIGRP AS EIGRP D EX AD Administrative Distance EIGRP EIGRP OSPF AD OSPF OSPF EIGRP AD 90 EIGRP AD 170 OSPF AD 110 TELNET OSPF R / /24 Fa0/ /24 Fa0/0 R /24 Fa0/ /24 Fa0/0 R /24 Fa0/ /24 VLAN /34 VLAN30 fa0/ /34 VLAN40 fa0/ /34 VLAN50 fa0/ /24

33 1 33 R /24 Fa0/ /24 VLAN /34 VLAN30 fa0/ /34 VLAN40 fa0/ /34 VLAN50 fa0/ R /24.2 R2 Fa0/1 Fa0/1 Fa0/1.1 Fa0/0 Fa0/ /24.2 Fa0/0 Fa0/ /24 R3 R4.2 Fa0/1 Fa0/1.3 SW / / / /24 1.5

34 34 Day One EIGRP OSPF EIGRP OSPF 1000 IGP EIGRP OSPF

35 2 EIGRP OSPF EIGRP

36 36 Day One EIGRP OSPF OSPF EIGRP OSPF 1 EIGRP EIGRP EIGRP IOS IGP AS Autonomous System AS 1 BGP IGP AS 1 r1 EIGRP r1#show run begin router eigrp router eigrp 1 network no auto-summary!

37 2 37 r1 EIGRP network /16 EIGRP IP /16 EIGRP Loopback 0 EIGRP Hello Loopback 0 EIGRP Hello IGP Hello 2 r2 EIGRP r1#show run begin router eigrp router eigrp 1 passive-interface Loopback0 network no auto-summary! 1 Loopback0 EIGRP r2#show run begin router eigrp router eigrp 1 network no auto-summary! r2 EIGRP 1 Loopback0 EIGRP Hello EIGRP r2#show run begin router eigrp router eigrp 1 passive-interface Loopback0 network no auto-summary! 2 Loopback0 EIGRP

38 38 Day One EIGRP OSPF 3 r3 EIGRP r3#show run begin router eigrp router eigrp 1 redistribute connected redistribute static network no auto-summary! redistribute connected IGP IOS EIGRP OSPF IOS EIGRP 3 redistribute connected redistribute static network redistribute connected redistribute connected EIGRP EIGRP network IGP Hello IGP passive-interface passive-interface EIGRP redistribute connected 3 redistribute static 2 EIGRP access-list

39 2 39 access-list redistribute static r3#show run begin ip route ip route ! r3#show run begin access-list access-list 55 permit ! route-map statics permit 10 match ip address 55! route-map statics deny 20! access-list 55 3 EIGRP network 3 r3 EIGRP EIGRP EIGRP r3#show run begin router eigrp router eigrp 1 redistribute static route-map statics passive-interface FastEthernet0/1 passive-interface FastEthernet0/1.30 passive-interface FastEthernet0/1.40 passive-interface FastEthernet0/1.50 passive-interface Loopback0 network no auto-summary!

40 40 Day One EIGRP OSPF 4 r4 EIGRP r4#show run begin router eigrp router eigrp 1 redistribute connected network no auto-summary! 4 r3 redistribute connected r3 r4 4 EIGRP EIGRP IGP r4#show run begin router eigrp router eigrp 1 passive-interface FastEthernet0/1 passive-interface FastEthernet0/1.30 passive-interface FastEthernet0/1.40 passive-interface FastEthernet0/1.50 passive-interface Loopback0 network no auto-summary! 4 EIGRP EIGRP /24 r1 EIGRP r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set

41 2 41 C C D D D D EX D D D C D D r1# /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 [90/30720] via , 00:02:03, FastEthernet0/ /24 [90/30720] via , 02:12:03, FastEthernet0/ /24 [90/30720] via , 00:02:03, FastEthernet0/ /24 is subnetted, 1 subnets [170/30720] via , 00:19:36, FastEthernet0/ /24 [90/30720] via , 00:02:03, FastEthernet0/ /32 is subnetted, 1 subnets [90/158720] via , 00:02:04, FastEthernet0/ /24 [90/30720] via , 00:02:04, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback /32 is subnetted, 1 subnets [90/156160] via , 02:12:06, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 00:10:44, FastEthernet0/0 OSPF 1.1 OSPF OSPF OSPF AD EIGRP EIGRP AS AD 90 AS AD 170 OSPF Cisco IOS 110 EIGRP AD OSPF OSPF OSPF EIGRP OSPF

42 42 Day One EIGRP OSPF OSPF OSPF OSPF EIGRP 170 OSPF distance ospf external 175 r1(config)#router ospf 1 r1(config-router)#distance ospf? external External type 5 and type 7 routes inter-area Inter-area routes intra-area Intra-area routes distance ospf external distance show ip route r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set C /24 is directly connected, FastEthernet0/1 C /24 is directly connected, FastEthernet0/0 D /24 [90/30720] via , 00:09:41, FastEthernet0/0 D /24 [90/30720] via , 00:09:41, FastEthernet0/1 D /24 [90/30720] via , 00:09:41, FastEthernet0/ /24 is subnetted, 1 subnets O E [110/20] via , 00:00:11, FastEthernet0/0 D /24 [90/30720] via , 00:09:41, FastEthernet0/ /32 is subnetted, 1 subnets D [90/158720] via , 00:09:42, FastEthernet0/1 D /24 [90/30720] via , 00:09:42, FastEthernet0/ /32 is subnetted, 1 subnets C is directly connected, Loopback /32 is subnetted, 1 subnets

43 2 43 D D r1# [90/156160] via , 00:09:44, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 00:09:44, FastEthernet0/0 OSPF /24 OSPF OSPF EIGRP OSPF AD 2. 2 OSPF 3. 3 OSPF Cisco IOS Enter Cisco IOS OSPF OSPF OSPF 1 OSPF OSPF OSPF router-id ID IP 1.9

44 44 Day One EIGRP OSPF r1 r2 OSPF 175 OSPF AD EIGRP AD r1 r1#conf t Enter configuration commands, one per line.end with CNTL/Z. r1(config)#router ospf 1 r1(config-router)#distance ospf external 175 r1(config-router)#router-id r1(config-router)#^z r1# 2 r2 r2#conf t Enter configuration commands, one per line.end with CNTL/Z. r2(config)#router ospf 1 r2(config-router)#distance ospf external 175 r2(config-router)#router-id r2(config-router)#^z r2# r3 r4 OSPF AD 3 r3 r3#conf t Enter configuration commands, one per line.end with CNTL/Z. r3(config)#router ospf 1 r3(config-router)#distance ospf external 175 r3(config-router)#router-id r3(config-router)#^z r3# 4 r4 r4#conf t Enter configuration commands, one per line.end with CNTL/Z. r4(config)#router ospf 1 r4(config-router)#distance ospf external 175 r4(config-router)#router-id r4(config-router)#^z r4#

45 OSPF EIGRP OSPF network OSPF OSPF OSPF r1 r1 OSPF 0 Hello OSPF r1#conf t Enter configuration commands, one per line.end with CNTL/Z. r1(config)#router ospf 1 r1(config-router)#network area 0 r1(config-router)#passive-interface lo0 r1(config-router)#^z r1# 2 r2 r2 OSPF r1 0 Hello OSPF r2#conf t Enter configuration commands, one per line.end with CNTL/Z. r2(config)#router ospf 1 r2(config-router)#network area 0 r2(config-router)#passive-interface lo0 r2(config-router)#^z r2# 3 r3 r3 OSPF 0 Hello OSPF OSPF

46 46 Day One EIGRP OSPF OSPF passive-interface r3#conf t Enter configuration commands, one per line.end with CNTL/Z. r3(config)#router ospf 1 r3(config-router)#network area 0 r3(config-router)#passive-interface lo0 r3(config-router)#passive-interface fa0/1 r3(config-router)#passive-interface fa0/1.30 r3(config-router)#passive-interface fa0/1.40 r3(config-router)#passive-interface fa0/1.50 r3(config-router)#^z r3# 4 r4 r3 r4 OSPF 0 Hello OSPF OSPF OSPF passive-interface r4#conf t Enter configuration commands, one per line.end with CNTL/Z. r4(config)#router ospf 1 r4(config-router)#network area 0 r4(config-router)#passive-interface lo0 r4(config-router)#passive-interface fa0/1 r4(config-router)#passive-interface fa0/1.30 r4(config-router)#passive-interface fa0/1.40 r4(config-router)#passive-interface fa0/1.50 r4(config-router)#^z r4# 3 OSPF EIGRP IGP 3

47 OSPF access-list 55 route-map statics OSPF EIGRP OSPF EIGRP r3#show run begin ip route ip route !! access-list 55 permit ! route-map statics permit 10 match ip address 55! route-map statics deny 20! route-map statics OSPF redistribute OSPF OSPF redistribute statics 1 subnets CIDR r3#conf t Enter configuration commands, one per line.end with CNTL/Z. r3(config)#router ospf 1 r3(config-router)#redistribute static subnets route-map statics r3(config-router)#^z r3# OSPF OSPF OSPF OSPF 1 EIGRP EIGRP OSPF EIGRP

48 48 Day One EIGRP OSPF EIGRP IGP EIGRP EIGRP OSPF r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set C C D D D D EX D D D C D D r1# /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 [90/30720] via , 00:00:49, FastEthernet0/ /24 [90/30720] via , 00:57:57, FastEthernet0/ /24 [90/30720] via , 00:00:49, FastEthernet0/ /24 is subnetted, 1 subnets [170/30720] via , 00:43:21, FastEthernet0/ /24 [90/30720] via , 00:00:49, FastEthernet0/ /32 is subnetted, 1 subnets [90/158720] via , 00:00:50, FastEthernet0/ /24 [90/30720] via , 00:00:50, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback /32 is subnetted, 1 subnets [90/156160] via , 00:57:59, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 00:57:59, FastEthernet0/0 OSPF EIGRP 2 IGP 2 IGP EIGRP OSPF EIGRP OSPF

49 2 49 EIGRP OSPF 1 r1 r1#show ip eigrp neighbor IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq Type (sec) (ms) Cnt Num Fa0/ :56: Fa0/ :22: r1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface FULL/BDR 00:00: FastEthernet0/ FULL/BDR 00:00: FastEthernet0/0 r1# 2 r2 r2#show ip eigrp neighbor IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :23: Fa0/ :23: r2#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface FULL/DR 00:00: FastEthernet0/ FULL/BDR 00:00: FastEthernet0/0 r2# 3 r3 r3#show ip eigrp neighbor IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :58: r3#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface FULL/DR 00:00: FastEthernet0/0 r3#

50 50 Day One EIGRP OSPF 4 r4 r4#show ip eigrp neighbor IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num Fa0/ :24: r4#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface FULL/DR 00:00: FastEthernet0/0 r4# OSPF EIGRP OSPF OSPF EIGRP OSPF 1.9 EIGRP OSPF OSPF r1#show ip ospf database OSPF Router with ID ( ) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count x x000BE x x001DB x x001E x x008B0D 6 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum x x x x x x Type-5 AS External Link States

51 2 51 Link ID ADV Router Age Seq# Checksum Tag x x008E1D 0 r1# show ip ospf database 3 LSA LSA Type-1 LSA Type-2 LSA Type-5 LSA show ip ospf database LSA Type-1 show ip ospf database router r1#show ip ospf database router OSPF Router with ID ( ) (Process ID 1) Router Link States (Area 0) LS age:348 Options:(No TOS-capability, DC) LS Type:Router Links Link State ID: Advertising Router: LS Seq Number: Checksum:0xBE5 Length:60 Number of Links:3 Link connected to: a Stub Network (Link ID) Network/subnet number: (Link Data) Network Mask: Number of TOS metrics:0 TOS 0 Metrics:1 Link connected to: a Transit Network (Link ID) Designated Router address: (Link Data) Router Interface address: Number of TOS metrics:0 TOS 0 Metrics: Output Truncated

52 52 Day One EIGRP OSPF r1#show ip ospf database network LSA NBMA LSA Type-2 show ip ospf database network OSPF Router with ID ( ) (Process ID 1) Net Link States (Area 0) Routing Bit Set on this LSA LS age:746 Options:(No TOS-capability, DC) LS Type:Network Links Link State ID: (address of Designated Router) Advertising Router: LS Seq Number: Checksum:0x4836 Length:32 Network Mask:/24 Attached Router: Attached Router: Routing Bit Set on this LSA LS age:493 Options:(No TOS-capability, DC) LS Type:Network Links Link State ID: (address of Designated Router) Advertising Router: LS Seq Number: Checksum:0x5823 Length:32 Network Mask:/24 Attached Router: Attached Router: Output Truncated / /24 LSA OSPF LSA show ip ospf database external

53 2 53 r1#show ip ospf database external OSPF Router with ID ( ) (Process ID 1) Type-5 AS External Link States Routing Bit Set on this LSA LS age:1533 Options:(No TOS-capability, DC) LS Type:AS External Link Link State ID: (External Network Number ) Advertising Router: LS Seq Number: Checksum:0x8E1D Length:36 Network Mask:/24 Metric Type:2 (Larger than any link state path) TOS:0 Metric:20 Forward Address: External Route Tag:0 OSPF OSPF r3 Type-5 LSA OSPF EIGRP OSPF OSPF OSPF LSA ping OSPF ping 2.1 ping EIGRP ping traceroute

54 54 Day One EIGRP OSPF 2.1 ping R1 R2 R3 R4 R2 R3 R4 R1 R3 R4 R1 R2 R4 R1 R2 R3 r4#ping ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms 1 ping

55 2 55 EIGRP OSPF EIGRP EIGRP EIGRP 4 no router eigrp 1 EIGRP r4#conf t Enter configuration commands, one per line.end with CNTL/Z. r4(config)#no router eigrp 1 r4(config)#^z r4# EIGRP 4 r4#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set O /24 [110/2] via , 00:00:21, FastEthernet0/0 O /24 [110/3] via , 00:00:21, FastEthernet0/0 C /24 is directly connected, FastEthernet0/1.30 C /24 is directly connected, FastEthernet0/0 C /24 is directly connected, FastEthernet0/ /24 is subnetted, 1 subnets O E [175/20] via , 00:00:21, FastEthernet0/0 C /24 is directly connected, FastEthernet0/ /32 is subnetted, 1 subnets C is directly connected, Loopback0 C /24 is directly connected, FastEthernet0/1.50

56 56 Day One EIGRP OSPF O O O r4# /32 is subnetted, 1 subnets [110/3] via , 00:00:21, FastEthernet0/ /32 is subnetted, 1 subnets [110/2] via , 00:00:23, FastEthernet0/ /32 is subnetted, 1 subnets [110/4] via , 00:00:23, FastEthernet0/0 r4#ping r4 OSPF 2.1 ping r4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r4#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms r4# 1 EIGRP OSPF 1 show ip route r4 OSPF r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route

57 2 57 Gateway of last resort is not set C C D D D D EX D O D C D D r1# /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 [90/30720] via , 00:51:37, FastEthernet0/ /24 [90/30720] via , 01:48:45, FastEthernet0/ /24 [90/30720] via , 00:51:37, FastEthernet0/ /24 is subnetted, 1 subnets [170/30720] via , 01:34:09, FastEthernet0/ /24 [90/30720] via , 00:51:37, FastEthernet0/ /32 is subnetted, 1 subnets [110/3] via , 00:05:23, FastEthernet0/ /24 [90/30720] via , 00:51:38, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback /32 is subnetted, 1 subnets [90/156160] via , 01:48:47, FastEthernet0/ /32 is subnetted, 1 subnets [90/156160] via , 01:48:47, FastEthernet0/0 3 r3 no router eigrp 1 EIGRP r3#conf t Enter configuration commands, one per line.end with CNTL/Z. r3(config)#no router eigrp 1 r3(config)#^z r3# ping r3 EIGRP r3#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms r3#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!!

58 58 Day One EIGRP OSPF Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r3#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms r3#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms r3# EIGRP 1 r1 2 r2 no router eigrp 1 EIGRP r1 r2 r1#conf t Enter configuration commands, one per line.end with CNTL/Z. r1(config)#no router eigrp 1 r1(config)#^z r1# r2#conf t Enter configuration commands, one per line.end with CNTL/Z. r2(config)#no router eigrp 1 r2(config)#^z r2# r1 r2 2.1 ping EIGRP OSPF 1 2

59 2 59 r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set C C O O O O E2 O O O C O O r1# /24 is directly connected, FastEthernet0/ /24 is directly connected, FastEthernet0/ /24 [110/2] via , 00:01:50, FastEthernet0/ /24 [110/2] via , 00:01:50, FastEthernet0/ /24 [110/2] via , 00:01:50, FastEthernet0/ /24 is subnetted, 1 subnets [175/20] via , 00:01:50, FastEthernet0/ /24 [110/2] via , 00:01:50, FastEthernet0/ /32 is subnetted, 1 subnets [110/3] via , 00:01:51, FastEthernet0/ /24 [110/2] via , 00:01:51, FastEthernet0/ /32 is subnetted, 1 subnets is directly connected, Loopback /32 is subnetted, 1 subnets [110/2] via , 00:01:51, FastEthernet0/ /32 is subnetted, 1 subnets [110/2] via , 00:01:51, FastEthernet0/0 IGP OSPF 1

60 60 Day One EIGRP OSPF EIGRP OSPF

61 3 Junos Junos OSPF...62 Junos...69

62 62 Day One EIGRP OSPF 1 1 OSPF 1 OSPF IOS Junos CLI Junos OSPF J5 J2350 SW-EX EX3200 Junos 3.1 J5 R1 SW-EX J5 Junos OSPF OSPF IOS

63 3 Junos 63 J5 R1 R / / Ge-0/0/0 Fa0/ /24 Fa0/1 Fa0/1.1 Fa0/0 Fa0/0.1.2 Fa0/0 Fa0/0.2 R3 R4.2 Fa0/1 Fa0/1.3 SW-10 SW-EX / / / / / / Junos / /24 Ge-0/0/0 Ge-0/0/0.2

64 64 Day One EIGRP OSPF Junos IP IP R1 J5 Fa1/ Ge-0/0/ J5 SW-EX Ge-0/0/ Ge-0/0/ J5 Remote Ge-0/0/ SW-EX VLAN60 Vlan SW-EX VLAN70 Vlan OSPF OSPF 1 Junos J5 SW-EX J5 Junos OSPF protocols jparks@j5> configure Entering configuration mode [edit] jparks@j5# edit protocols [edit protocols] jparks@j5# set ospf area 0 interface ge-0/0/0 [edit protocols] jparks@j5# set ospf area 0 interface ge-0/0/1 [edit protocols] jparks@j5# set ospf area 0 interface lo0.0 passive [edit protocols] jparks@j5# show ospf { area {

65 3 Junos 65 } } interface ge-0/0/0.0; interface ge-0/0/1.0; interface lo0.0 { passive; } [edit protocols] jparks@j5# top [edit] jparks@j5# commit commit complete [edit] jparks@j5# exit Exiting configuration mode jparks@j5> R1 jparks@j5> show ospf neighbor Address Interface State ID Pri Dead ge-0/0/0.0 Full jparks@j5> show route OSPF J5 inet.0:18 destinations, 18 routes (18 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both /24 *[OSPF/150] 00:01:33, metric 20, tag 0 > to via ge-0/0/ /32 *[OSPF/10] 00:01:33, metric 2 > to via ge-0/0/ /32 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /32 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /32 *[OSPF/10] 00:01:33, metric 4 > to via ge-0/0/ /32 *[Direct/0] 00:31:47 > via lo /24 *[OSPF/10] 00:01:33, metric 2 > to via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 2

66 66 Day One EIGRP OSPF > to via ge-0/0/ /24 *[Direct/0] 00:31:48 > via ge-0/0/ /32 *[Local/0] 00:31:48 Local via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /24 *[Direct/0] 00:31:47 > via ge-0/0/ /32 *[Local/0] 00:31:47 Local via ge-0/0/ /24 *[OSPF/10] 00:01:33, metric 3 > to via ge-0/0/ /32 *[OSPF/10] 00:01:43, metric 1 MultiRecv jparks@j5> J5 SW-EX Junos SW-EX OSPF protocols jparks@sw-ex> configure Entering configuration mode [edit] jparks@sw-ex# edit protocols [edit protocols] jparks@sw-ex# set ospf area interface all [edit protocols] jparks@sw-ex# set ospf area interface lo0.0 passive [edit protocols] jparks@sw-ex# set ospf area interface me0.0 disable

67 3 Junos 67 [edit protocols] show ospf { area { interface all; interface lo0.0 { passive; } interface me0.0 { disable; } } } [edit protocols] jparks@sw-ex# top [edit] jparks@sw-ex# commit commit complete [edit] jparks@sw-ex# exit Exiting configuration mode jparks@sw-ex> J5 jparks@sw-ex> show ospf neighbor Address Interface State ID Pri Dead ge-0/0/0.0 Full OSPF SW-EX J5 jparks@sw-ex> show route inet.0:22 destinations, 22 routes (22 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both /24 *[OSPF/150] 00:03:07, metric 20, tag 0 > to via ge-0/0/ /32 *[OSPF/10] 00:03:07, metric 3 > to via ge-0/0/ /32 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /32 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/0.0

68 68 Day One EIGRP OSPF /32 *[OSPF/10] 00:03:07, metric 5 > to via ge-0/0/ /32 *[OSPF/10] 00:03:07, metric 1 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 3 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 3 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 2 > to via ge-0/0/ /32 *[Direct/0] 00:29:40 > via lo /24 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /24 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /24 *[Direct/0] 00:29:40 > via ge-0/0/ /32 *[Local/0] 00:29:40 Local via ge-0/0/ /24 *[Direct/0] 00:27:14 > via vlan /32 *[Local/0] 00:27:14 Local via vlan /24 *[Direct/0] 00:27:14 > via vlan /32 *[Local/0] 00:27:14 Local via vlan /24 *[OSPF/10] 00:03:07, metric 4 > to via ge-0/0/ /32 *[OSPF/10] 00:03:17, metric 1 MultiRecv jparks@sw-ex> OSPF OSPF Cisco

69 3 Junos 69 Junos configure Entering configuration mode [edit] edit routing-options J5 J5 OSPF routing-options /24 [edit routing-options] set static route /24 next-hop [edit routing-options] top [edit] commit and-quit commit complete Exiting configuration mode J5 show route /24 inet.0:24 destinations, 24 routes (24 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both /24 *[Static/5] 00:00:02 > to via ge-0/0/2.0 J5 J5 OSPF

70 70 Day One EIGRP OSPF Junos Junos IOS Junos IOS Junos policyoptions Junos if/then from if then Junos IOS permit 10 configure Entering configuration mode [edit] edit policy-options [edit policy-options] edit policy-statement ospf-export [edit policy-options policy-statement ospf-export] set term statics from protocol static [edit policy-options policy-statement ospf-export] set term statics from route-filter /24 exact [edit policy-options policy-statement ospf-export] set term statics then accept [edit policy-options policy-statement ospf-export] show term statics { from { protocol static; route-filter /24 exact; } then accept; } [edit policy-options policy-statement ospf-export] jparks@j5# top [edit] jparks@j5#

71 3 Junos 71 [edit] edit protocols ospf [edit protocols ospf] set export ospf-export [edit protocols ospf] show export ospf-export; area { interface ge-0/0/0.0; interface ge-0/0/1.0; interface lo0.0 { passive; } } [edit protocols ospf] jparks@j5# top [edit] jparks@j5# commit and-quit commit complete Exiting configuration mode jparks@j5> Junos ospf-export /24 OSPF Junos Junos ospf-export OSPF OSPF OSPF OSPF R /24 r1#show ip route Routing entry for /24 Known via ospf 1, distance 175, metric 0, type extern 2, forward metric 1 Last update from on FastEthernet1/0, 00:01:18 ago Routing Descriptor Blocks:

72 72 Day One EIGRP OSPF r1# * , from , 00:01:18 ago, via FastEthernet1/0 Route metric is 0, traffic share count is 1 Junos Junos Cookbook O Reilly Media 2006 Junos Enterprise Routing O Reilly Media 2007 Junos Day One

73 4 IOS Junos OSPF

74 74 Day One EIGRP OSPF Junos IOS Junos OSPF IOS 1 EIGRP OSPF Junos IOS Junos IOS OSPF Junos [edit] jparks@j5# show protocols ospf { area { interface ge-0/0/0.0; interface ge-0/0/1.0; interface lo0.0 { passive; } } } IOS r1#show run begin router ospf router ospf 1 router-id log-adjacency-changes passive-interface Loopback0 network area 0 distance ospf external 175! Junos ID IOS network ID Junos passive IOS Junos IOS Junos

75 4 IOS Junos 75 Junos show configuration policyoptions policy-statement ospf-export { term statics { from { protocol static; route-filter /24 exact; } then accept; } } IOS r3#show run begin access-list access-list 55 permit ! route-map statics permit 10 match ip address 55! route-map statics deny 20! Junos if/then from then OSPF OSPF OSPF Junos IOS IOS ip IOS SNA IPX IP IP OSPF Junos IOS jparks@j5> show ospf interface Interface State Area DR ID BDR ID Nbrs ge-0/0/0.0 BDR ge-0/0/1.0 DR lo0.0 DRother

76 76 Day One EIGRP OSPF r1#show ip ospf interface brief Interface PID Area IP Address/Mask Cost State Nbrs F/C Fa1/ /24 1 DR 1/1 Lo /32 1 LOOP 0/0 Fa0/ /24 1 BDR 1/1 Fa0/ /24 1 BDR 1/1 r1# OSPF IOS Junos brief OSPF Junos IOS Junos ip jparks@j5> show ospf neighbor Address Interface State ID Pri Dead ge-0/0/0.0 Full ge-0/0/1.0 Full r1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface FULL/BDR 00:00: FastEthernet1/ FULL/DR 00:00: FastEthernet0/ FULL/DR 00:00: FastEthernet0/0 r1# OSPF OSPF LSA Junos IOS LSA? jparks@j5> show ospf database OSPF database, Area Type ID Adv Rtr Seq Age Opt Cksum Len Router x a 741 0x22 0x6b6a 72 Router x f x22 0x1d99 60 Router x x22 0x3c63 96 Router x e 556 0x22 0x4d41 96 Router * x a 432 0x22 0x94e7 60 Router x x22 0xb8fc 72

77 4 IOS Junos 77 Network x x22 0x Network x x22 0x1c56 32 Network x x22 0x76fd 32 Network x x22 0xc59c 32 Network * x x22 0x8e93 32 OSPF AS SCOPE link state database Type ID Adv Rtr Seq Age Opt Cksum Len Extern * x x22 0xd24a 36 Extern x x20 0x7e25 36 r1#show ip ospf database OSPF Router with ID ( ) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count x A 0x006B6A x F 0x001D x x003C x E 0x004D x A 0x0094E x x00B8FC 4 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum x x x x001C x x0076FD x x00C59C x x008E93 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag x x00D24A x x007E25 0 jparks@j5> show route Junos IOS inet.0:24 destinations, 24 routes (24 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both