コンフィグレーションガイド Vol.3


29.3.2 マルチキャストエクストラネットの確認

show ip mrouteコマンドおよびshow ip mcacheコマンドで,IPv4マルチキャストエクストラネットによってVRF間中継するエントリを確認できます。異なるVRFに中継要求を発行しているエントリはincomingに中継要求先VRF IDが表示されます。また,異なるVRFからの中継要求を許可したエントリはoutgoingにVRF IDが表示されます。

なお,show ipv6 mrouteコマンドおよびshow ipv6 mcacheコマンドで,IPv6マルチキャストエクストラネットの確認ができます。

図29‒4 show ip mrouteコマンドの実行結果
> show ip mroute vrf all
Date 20XX/01/13 10:01:00 UTC
Total: 4 routes
VRF: 1  Total: 1 route , 1 group , 1 source
(S,G) 1 route  ------------------------------------------------------------
Group Address    Source Address   Flags  Protocol  Uptime   Expires  Assert
232.1.1.1        192.0.2.10       FT     SSM        53:05    02:55    00:00
    incoming:Eth1/1.1          upstream:Direct
    outgoing:VRF 2             uptime:  53:05
             VRF 10            uptime:  53:05
             VRF 11            uptime:  53:05
 
VRF: 2  Total: 1 route , 1 group , 1 source
(S,G) 1 route  ------------------------------------------------------------
Group Address    Source Address   Flags  Protocol  Uptime   Expires  Assert
232.1.1.1        192.0.2.10       LT     SSM        53:05    --:--    00:00
    incoming:VRF 1             upstream:Extra
    outgoing:Eth1/1.2          uptime:  53:05    expires:  --:--
 
VRF: 10  Total: 1 route , 1 group , 1 source
(S,G) 3 routes ------------------------------------------------------------
Group Address    Source Address   Flags  Protocol  Uptime   Expires  Assert
232.1.1.1        192.0.2.10       LT     SSM        53:05    --:--    00:00
    incoming:VRF 1             upstream:Extra
    outgoing:Eth1/1.10         uptime:  53:05    expires:  --:--
 
VRF: 11  Total: 1 route , 1 group , 1 source
(S,G) 3 routes ------------------------------------------------------------
Group Address    Source Address   Flags  Protocol  Uptime   Expires  Assert
232.1.1.1        192.0.2.10       LT     SSM        53:05    --:--    00:00
    incoming:VRF 1             upstream:Extra
    outgoing:Eth1/1.11         uptime:  53:05    expires:  --:--
図29‒5 show ip mcacheコマンドの実行結果
> show ip mcache vrf all
Date 20XX/01/13 10:01:00 UTC
Total: 4 routes
VRF: 1  Total: 1 route
- Forwarding entry ------------------------------------------------------------
Group Address   Source Address  Flags  Protocol  Uptime   Expires
232.1.1.1       192.0.2.10      U      SSM        53:30    --:--
    incoming:Eth1/1.1
    outgoing:Eth1/1.2          VRF 2
             Eth1/1.10         VRF 10
             Eth1/1.11         VRF 11
 
VRF: 2  Total: 1 route
- Forwarding entry ------------------------------------------------------------
Group Address   Source Address  Flags  Protocol  Uptime   Expires
232.1.1.1       192.0.2.10      D      SSM        53:30    --:--
    incoming:VRF 1
    outgoing:Eth1/1.2
 
VRF: 10  Total: 1 route
- Forwarding entry ------------------------------------------------------------
Group Address   Source Address  Flags  Protocol  Uptime   Expires
232.1.1.1       192.0.2.10      D      SSM        53:30    --:--
    incoming:VRF 1
    outgoing:Eth1/1.10
 
VRF: 11  Total: 1 route
- Forwarding entry ------------------------------------------------------------
Group Address   Source Address  Flags  Protocol  Uptime   Expires
232.1.1.1       192.0.2.10      D      SSM        53:30    --:--
    incoming:VRF 1
    outgoing:Eth1/1.11