SEIL : IPv6 1
SEIL 2011 IPv6 SEIL IPv6 SEIL 4rd 2
SEIL 3
SEIL (1/3) SEIL IIJ SEIL 2001/6 IPv6 SEIL/X1 SEIL/X2 50,000 SEIL/x86 1998/8 SEIL SEIL/neu 128 SEIL/neu T1 SEIL/neu 2FE SEIL/neu ATM SEIL/Turbo SEIL/neu 2FE Plus SEIL/B1 4
SEIL (2/3) SEIL/x86 SEIL/x86 : SEIL/x86 SEIL/B1, SEIL/X VMware KVM, Hyper-V 1 800 (SEIL/x86 Fuji) 5
SEIL (3/3) IPv6 IPv4 route ipsec ike dhcp nat filter vrrp/vrrp3 translator ping IPv6 route6 ipsec ike dhcp6 nat6 filter6 vrrp3 translator ping6 6
2011 IPv6 7
IPv6 IPv4 /IPv6 IANA IPv4 2 3 APNIC JPNIC IPv4 4 15 World IPv6 Day 6 8 2011 NTT NGN IPv6 PPPoE 6 1 NTT NGN IPv6 IPoE 7 21 8
SEIL IPv6 9
NTT NGN IPv6 PPPoE SEIL/X, B1 Ver 3.20 10
SEIL/X, B1 Ver 3.20 (1/2) IPv6 PPPoE IPv6 PPPoE 6 1 SEIL/X, B1 Ver 3.20 4 1 IPv6 NAT PPPoE DHCPv6 PPPoE (IPV6CP) NTT NGN PPPoE DHCPv6 IPv6 NAT URL: http://www.seil.jp/community/node/19 11
SEIL/X, B1 Ver 3.20 (2/2) IPv6 NAT (ULA: Unique Local Address) nat6 add ngn_nat type ngn internal fd00::/64 external 2001:db8::/64 interface lan1 ndproxy on IPv6 Checksum- Neutral Mapping TCP + - Prefix Interface-ID checksum 12
NTT NGN IPv6 IPoE SEIL/X, B1 Ver 3.40 13
SEIL/X, B1 Ver 3.40 IPv6 IPoE IPv6 IPoE 7 21 SEIL/X, B1 Ver 3.40 7 27 DHCPv6 NTT NGN IPoE DHCPv6 URL: http://www.seil.jp/community/node/33 14
Path MTU Discovery (IPv6 TCP MSS ) SEIL/X, B1 Ver 3.50 15
SEIL/X, B1 Ver 3.50 (1/8) Path MTU Discovery Web 5 % Path MTU Discovery World IPv6 Day (2011/6/8) IPv6 16
SEIL/X, B1 Ver 3.50 (2/8) Path MTU Discovery Path MTU Discovery MTU ICMPv6 Packet Too Big 17
SEIL/X, B1 Ver 3.50 (3/8) Path MTU Discovery Path MTU Discovery ICMPv6 Packet Too Big ICMPv6 Packet Too Big 18
SEIL/X, B1 Ver 3.50 (4/8) Path MTU Discovery 19
SEIL/X, B1 Ver 3.50 (5/8) Path MTU Discovery MTU TCP MSS 20
SEIL/X, B1 Ver 3.50 (6/8) Path MTU Discovery TCP MSS MSS (Maximum Segment Size) TCP segment MSS: 1440 TCP/SYN 40 20 IPv6 TCP 1440 1500 (Bytes) 21
SEIL/X, B1 Ver 3.50 (7/8) Path MTU Discovery TCP MSS MSS 1394 TCP/SYN MSS: 1394 TCP segment 40 20 IPv6 TCP 1394 1454 (Bytes) 22
SEIL/X, B1 Ver 3.50 (8/8) Path MTU Discovery PPPoE ppp add ipv6test ipv6cp enable ipv6cp enable tcp-mss6 auto interface pppoe0 ppp-configuration ipv6test interface pppoe0 over lan1 1394 (Bytes) Path MTU Discovery TCP MSS URL: http://www.seil.jp/community/node/36 23
24
(1/2) IPv6 L2TPv3 IPv6 over IPv4 application-gateway PPPAC 25
(2/2) SEIL/X, B1 Ver 3.60 L2TPv3 IPv6 Future application-gateway IPv6 PPPAC IPv6 BGP 4rd 26
SEIL 4rd 27
4rd (1/4) IANA/APNIC/JPNIC IPv4 IPv4 IPv4 ISP IPv4 IPv6 IPv4 : DS-Lite(CGN/LSN), 4rd 28
4rd (2/4) 4rd IPv4 over IPv6 IPv6 ISP IPv4 IPv4 + CPE CPE NAT IPv4 Network CPE IPv6 Network ISP Router IPv4 Internet 29
4rd (3/4) 4rd NAT. UPnP CGN/LSN, DS-Lite 4rd ISP NAT ISP Router CPE NAT ISP Router CPE CPE 30
4rd (4/4) IPv4 over IPv6 etc BBIX MF JPIX 3 IPv6 IPv4 (http://www.iij.ad.jp/news/pressrelease/2010/0831.html) 31
4rd: SEIL (1/3) SEIL 4rd draft-despres-softwire-sam-01 draft-despres-softwire-4rd-00 (2011 2 ) ICMP IPv4 Internet ping 32
SEIL/x86 4rd 33
4rd: SEIL (2/3) 210.148.21.137 2001:240:2001:4601::1 2409:1:2000:ff3d:e000::1 192.168.1.0/24 IPv4 Internet IPv6 BR SEIL CE SEIL IPv6 Prefix 2409:1:2000:f000::/52 IPv4 Prefix 210.148.21.136/29 Index-Length 24bit Host ID ::1 CE Address 2409:1:2000:ff3d:e000::1 BR Address 2001:240:2001:4601::1 Global IPv4 210.148.21.137 A 0xF780 ~ 0xF7FF B 0x7BC0 ~ 0x7BFF C 0x3DE0 ~ 0x3DFF D 0x1EF0 ~ 0x1EFF 34
4rd: SEIL (3/3) tunnel (IP-IP) tunnel frd NAT NAT 35
4rd: WIDE 2011 (1/4) 2011 WIDE 4rd IPv6 only IPv4 Internet 4rd, sa46t, NAT64 LAN PC IPv6 4rd LAN WIDE / 36
4rd: WIDE 2011 (2/4) IPv4 Internet Vyatta BR 203.178.159.32/30 2001:200:0:ff30::1 ISP NTT IIJmio FiberAccess/NF NGN IPv6 Prefix 2409:150:8000:1f00::/56 2409:150:8000:1000::/52 SEIL IPv6 Router 2409:150:8000:1001::/56 LAN1: 2409:150:8000:1f40::2 SEIL 4rd CE LAN0: 192.168.0.0/24 IPv4 Prefix 203.178.159.32/30 Index-Length 8bit Host ID ::0 CE Address 2409:150:8000:1f40::2 BR Address 2001:200:0:ff30::1 37
4rd: WIDE 2011 (3/4) Web / L2TP over IPsec VPN,, Windows etc : 100 Mbps TCP session : 1,534 sessions ( ) : 10,365 sessions 38
4rd: WIDE 2011 (4/4) 39
4rd 40
4rd (1/5) 4rd BR (Border Router) ISP CE 4rd CE (Customer Equipment) IPv4 4rd IPv4 Network CE IPv6 Network BR IPv4 Internet 41
4rd (2/5) 1. IPv4 CE NAT 2. NAT IPv4 IPv6 BR 3. BR IPv6 IPv4 4. IPv4 CE NW IPv4+Port IPv6 IPv4+Port CE IPv6 Internet CE IPv6 Internet ISP CE BR IPv4+Port IPv4 Internet 42
4rd (3/5) CE Portset ID CE NAT Portset ID 4 10.255.171.205 0xef (8bit) IPv4 32bit Portset ID Max 15bit 1 Portset ID 0 1 Portset ID 0 0 1 Portset ID A B 0xF780 ~ 0xF7FF 0x7BC0 ~ 0x7BFF 0 0 0 1 Portset ID C 0x3DE0 ~ 0x3DFF D 0x1EF0 ~ 0x1EFF ( 16 bit ) 43
4rd (4/5) IPv6 Prefix IPv6 (. 2001:db8::/32) CE/BR IPv6 CE, BR IPv6 IPv4 Prefix IPv4 (. 10.255.0.0/16) index-length CE IPv4 Portset ID (. 24bit) Host ID(4rd Interface ID) CE ID(. ::1) 44
4rd (5/5) IPv4 + 10.255.171.205 Port Number 0xAB = 171 0xCD = 205 Portset ID 10.255.0.0/16 + 0xABCD MAP Portset ID 0xef Length = 24[bits] 4rd-Domain IPv6 2001:db8::/32 (MAP) Index 0xABCDEF00 COPY Host ID ADD(::1) IPv6 2001:db8: abcd:ef00 ::1 10.255.171.205 Port Number BR IPv6 CE IPv6 2001:db8::1/32 2001:db8:abcd:ef00::1 IPv6 Prefix 2001:db8::/32 IPv4 Prefix 10.255.0.0/16 Index-Length 24bit Host ID ::1 45
4rd:, RFC 4rd 46
IIJ TEL 03-5205-4466 9 30 17 30 / / info@iij.ad.jp http://www.iij.ad.jp/ 47
IIJ IIJ I IIJ IIJ TEL 03-5205-4466 9 30 17 30 / / info@iij.ad.jp http://www.iij.ad.jp/ 48