IPv6 ルーティング独習 第1段階

ルーティングの前に

!　応答の受信
.　応答を待機中にタイムアウト
U　PDU が受信した宛先到達不能エラー
Q　ソース クエンチ（宛先がビジー状態）
M　断片化不可
?　パケット タイプ不明
&　パケットの存続時間超過

もとはCisco謹製Webコンテンツ。
http://www.cisco.com/cisco/web/support/JP/100/1008/1008447_ping_traceroute-j.html

などと今さらながらに。続いて、IPv6のスタティックルート設定。

ipv6 route FD00:0:115:A860::/64 FD00:0:115:1313::2
ipv6 route FD00:0:115:C700::/126 FD00:0:115:1313::2
ipv6 route FD00:0:115:C700::4/126 FD00:0:115:1313::2

こんな感じで。ネクストホップはリンクローカルアドレスの指定も可能だそうだが、ただでさえややこしい(IPv4比)のに、さらに"傍目にわかりにくい"設定をしたくない。リンクローカルアドレス指定時の作法は

ipv6 route グローバルアドレス/プリフィクス長さ　自ルータの出てくインターフェース　ネクストホップルータのリンクローカルアドレス

だそうだ。グローバルを宛先にしながらネクストホップの前にトラフィックの出口としてインターフェース名を指定しつつ、ネクストホップはリンクローカル、この概念が果たして使いやすいのだろうか。


さておき、次にRIPng。

IPv6-R0(config)#ipv6 router rip ?
  WORD  User selected string identifying this process

IPv6-R0(config)#ipv6 router rip HajimetenoRIPng
IPv6-R0(config-rtr)#exit
IPv6-R0(config)#interface vlan 1
IPv6-R0(config-if)#ipv6 rip HajimetenoRIPng enable
IPv6-R0(config-if)#
IPv6-R0(config-if)#exit
IPv6-R0(config)#ipv6 router rip HajimetenoRIPng
IPv6-R0(config-rtr)#maximum-paths ?
  <1-32>  Number of paths

IPv6-R0(config-rtr)#maximum-paths 12
IPv6-R0(config-rtr)#end

IPv6-R2(config)#ipv6 router rip HajimetenoRIPng2
IPv6-R2(config-rtr)#max
IPv6-R2(config-rtr)#maximum-paths 12
IPv6-R2(config-rtr)#exit
IPv6-R2(config)#interface vlan  1
IPv6-R2(config-if)#ipv6 rip HajimetenoRIPng2 enable
IPv6-R2(config-if)#exit
IPv6-R2(config)#
IPv6-R2(config)#interface fastEthernet 0
IPv6-R2(config-if)#ipv6 rip HajimetenoRIPng2 enable
IPv6-R2(config-if)#exit
IPv6-R2(config)#interface fastEthernet 1
IPv6-R2(config-if)#ipv6 rip HajimetenoRIPng2 enable
RIPv6: No IPV6 enabled on this interface
IPv6-R2(config-if)#


で、debug ipv6 rip をかけるとこんな。


IPv6-R0#debug ipv6 rip
  RIP Routing Protocol debugging is on
IPv6-R0#
Jan  5 00:55:13.553: RIPng [default VRF]: a message has been received.
Jan  5 00:55:13.553: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:55:13.553:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:55:13.553:        dst=FF02::9
Jan  5 00:55:13.553:        sport=521, dport=521, length=52
Jan  5 00:55:13.553:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:55:13.553:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:55:13.553:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:55:31.773: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:55:31.773:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:55:31.773:        dst=FF02::9 (Vlan1)
Jan  5 00:55:31.773:        sport=521, dport=521, length=32
Jan  5 00:55:31.773:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:55:31.773:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:55:39.817: RIPng [default VRF]: a message has been received.
Jan  5 00:55:39.817: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:55:39.817:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:55:39.817:        dst=FF02::9
Jan  5 00:55:39.817:        sport=521, dport=521, length=52
Jan  5 00:55:39.817:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:55:39.817:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:55:39.817:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:56:02.773: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:56:02.773:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:56:02.773:        dst=FF02::9 (Vlan1)
Jan  5 00:56:02.773:        sport=521, dport=521, length=32
Jan  5 00:56:02.773:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:56:02.773:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:56:08.573: RIPng [default VRF]: a message has been received.
Jan  5 00:56:08.573: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:56:08.573:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:56:08.573:        dst=FF02::9
Jan  5 00:56:08.573:        sport=521, dport=521, length=52
Jan  5 00:56:08.573:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:56:08.573:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:56:08.573:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:56:19.086: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:56:19.086:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:56:19.086:        dst=FF02::9 (Vlan1)
Jan  5 00:56:19.086:        sport=521, dport=521, length=32
Jan  5 00:56:19.086:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:56:19.086:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:56:21.254: RIPng [default VRF]: next RIB walk in 167320.
IPv6-R0#
Jan  5 00:56:35.214: RIPng [default VRF]: a message has been received.
Jan  5 00:56:35.214: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:56:35.214:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:56:35.214:        dst=FF02::9
Jan  5 00:56:35.214:        sport=521, dport=521, length=52
Jan  5 00:56:35.214:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:56:35.214:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:56:35.214:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:56:58.642: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:56:58.642:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:56:58.642:        dst=FF02::9 (Vlan1)
Jan  5 00:56:58.642:        sport=521, dport=521, length=32
Jan  5 00:56:58.642:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:56:58.642:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:57:02.818: RIPng [default VRF]: a message has been received.
Jan  5 00:57:02.818: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:57:02.818:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:57:02.818:        dst=FF02::9
Jan  5 00:57:02.818:        sport=521, dport=521, length=52
Jan  5 00:57:02.818:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:57:02.818:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:57:02.818:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:57:25.207: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:57:25.207:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:57:25.207:        dst=FF02::9 (Vlan1)
Jan  5 00:57:25.207:        sport=521, dport=521, length=32
Jan  5 00:57:25.207:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:57:25.207:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:57:29.703: RIPng [default VRF]: a message has been received.
Jan  5 00:57:29.703: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:57:29.703:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:57:29.703:        dst=FF02::9
Jan  5 00:57:29.703:        sport=521, dport=521, length=52
Jan  5 00:57:29.703:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:57:29.703:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:57:29.703:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:57:43.955: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:57:43.955:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:57:43.955:        dst=FF02::9 (Vlan1)
Jan  5 00:57:43.955:        sport=521, dport=521, length=32
Jan  5 00:57:43.955:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:57:43.955:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:57:56.883: RIPng [default VRF]: a message has been received.
Jan  5 00:57:56.883: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:57:56.883:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:57:56.883:        dst=FF02::9
Jan  5 00:57:56.883:        sport=521, dport=521, length=52
Jan  5 00:57:56.883:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:57:56.883:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:57:56.883:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:58:14.304: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:58:14.304:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:58:14.304:        dst=FF02::9 (Vlan1)
Jan  5 00:58:14.304:        sport=521, dport=521, length=32
Jan  5 00:58:14.304:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:58:14.304:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#
Jan  5 00:58:26.324: RIPng [default VRF]: a message has been received.
Jan  5 00:58:26.324: RIPng [Vl1, default VRF]: response received from FE80::226:99FF:FEC8:287C for process "HajimetenoRIPng".
Jan  5 00:58:26.324:        src=FE80::226:99FF:FEC8:287C (Vlan1)
Jan  5 00:58:26.324:        dst=FF02::9
Jan  5 00:58:26.324:        sport=521, dport=521, length=52
Jan  5 00:58:26.324:        command=2, version=1, mbz=0, #rte=2
Jan  5 00:58:26.324:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
Jan  5 00:58:26.324:        tag=0, metric=1, prefix=FD00:0:115:C700::/126
IPv6-R0#
Jan  5 00:58:38.388: RIPng [Vl1, default VRF]: process "HajimetenoRIPng" is sending a multicast update.
Jan  5 00:58:38.388:        src=FE80::2E54:2DFF:FE99:B815
Jan  5 00:58:38.388:        dst=FF02::9 (Vlan1)
Jan  5 00:58:38.388:        sport=521, dport=521, length=32
Jan  5 00:58:38.388:        command=2, version=1, mbz=0, #rte=1
Jan  5 00:58:38.388:        tag=0, metric=1, prefix=FD00:0:115:1313::/64
IPv6-R0#


次は駆け足にOSPF Version3。でいいのか？