Inter-IX IX/-IX 10/21/2003 JAPAN2003 2

Transcription

1 Inter-IX 10/21/2003 JAPAN2003 1

2 Inter-IX IX/-IX 10/21/2003 JAPAN2003 2

3 Inter-IX? Inter-IX IX IX L2 10/21/2003 JAPAN2003 3

4 (1) IX (-IX) IX Resiliency 10/21/2003 JAPAN2003 4

5 (2) IX Ethernet IP/MAC Dot1q VLAN? IX 10/21/2003 JAPAN2003 5

6 (3) IX Ethernet L3 3 LSP IX 10/21/2003 JAPAN2003 6

7 (4) WIDE DIX-IE JT mplsassocio 10/21/2003 JAPAN2003 7

8 ? Rc IX-B 10/21/2003 JAPAN2003 8

9 ? Rc IX-B 1 Rc 2 10/21/2003 JAPAN2003 9

10 ? Rc 10 IX-B 1 Rc 2 10/21/2003 JAPAN

11 ? LSP BGP Rc IX-B 10/21/2003 JAPAN

12 ( byte) MTU Broadcast/Multicast IX 10/21/2003 JAPAN

13 Broadcast/Multicast? Rc IX-B LDP, RSVP-TE, BGP? 10/21/2003 JAPAN

14 Broadcast/Multicast? Rc IX-B LDP, RSVP-TE, BGP? 10/21/2003 JAPAN

15 LDP Targeted hello Rc LDP Hello ( All router on this subnet) IX-B 10/21/2003 JAPAN

16 Multicast RSVP BGP Rc IX-B LDP, RSVP-TE, BGP? 10/21/2003 JAPAN

17 RFC3107 Carrying label info, in BGP-4 Capability value -> AFI:1, SAFI:4 Labeled unicast MP-NLRI -> AFI:1, SAFI:4 Rc IX-B MPBGP UPDATE (Label +, Rc FEC ) 10/21/2003 JAPAN

18 IX-B Rc 10 10/21/2003 JAPAN

19 Label Spoofing/3 rd party next_hop IX-B 10 Rc 10 10/21/2003 JAPAN

20 10 IX-B Rc 10 10/21/2003 JAPAN

21 20 IX-B Rc 10 10/21/2003 JAPAN

22 AS#1 (1) /24 AS# 9592 AS#2 no mpls ip propagate-ttl! interface gigabitethernet 1/0 ip address mpls mtu 1504! router bgp 1 no bgp default ipv4-unicast neighbor remote-as 9592 neighbor remote-as 2 (Cisco) neighbor disable-connected-check! address-family ipv4 neighbor activate neighbor send-label exit-address-family! 10/21/2003 end JAPAN /32

23 (2) AS# /24 AS# 9592 AS# /32 ge-0/1/0 { protocols { group as-2 { unit 0 { mpls { type external; family inet { no-propagate-ttl; multihop { mtu 1500; interface all; ttl 1; address /24; } } } bgp { local-address ; family mpls { group mpls { export as-2-policy; mtu 1504; type external; peer-as 2; local-address ; neighbor ; } family inet { } } labeled-unicast; } peer-as 9592; neighbor ; } 10/21/2003 JAPAN } (Juniper)

24 (3) AS# /24 AS# 9592 AS# /32 (Cisco) Router#sh ip route /24 is variably subnetted, 2 subnets, 2 masks C /32 is directly connected, GigabitEthernet1/0 C /24 is directly connected, GigabitEthernet1/ /8 is variably subnetted, 2 subnets, 2 masks B /32 [20/0] via , 01:06:47 Router#show mpls for Local Outgoing Prefix Bytes tag Outgoing Next Hop tag tag or VC or Tunnel Id switched interface None /32 0 Gi1/ Router#show ip bgp label Network Next Hop In label/out label / nolabel/23 10/21/2003 JAPAN

25 (4) AS# /24 AS# 9592 AS# /32 (Juniper) jt@viikrt02-g1> show route inet.0: + = Active Route, - = Last Active, * = Both /24 *[BGP/170] 03:49:37, localpref 100, from AS path: 2 I > to via ge-0/1/0.0, Push /32 *[BGP/170] 03:49:52, localpref 100 AS path: 9592? > to via e-0/1/0.0, Push 24 mpls.0: 3 destinations, 3 routes (3 active, 0 holddown, 0 hidden) 10/21/2003 JAPAN

26 Cisco BGP address-family manner Juniper labeled ipv4 unicast MPBGP traffic-engineering bgp-igp-both-ribs Label BGP inet.0 IPv4 Unicast Capability 10/21/2003 JAPAN

27 IX -IX L2IX IX Switch, IX Broadcast/Multicast -IX Label Spoofing/3rd party next_hop LSP BGP RFC3107 Labeled Unicast IX BGP 10/21/2003 JAPAN

28 10/21/2003 JAPAN