コンフィグレーションガイド Vol.3


33.3.2 IPv6マルチキャストエクストラネットの確認

show ipv6 mroute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によってVRF間中継するエントリを参照できます。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。

図33‒3 show ipv6 mrouteコマンドの実行結果
> show ipv6 mroute vrf all group ff15:100::1 source 2001:db8:21::1
Date 20XX/12/10 12:40:30 UTC
Total: 4 routes
VRF: global  Total: 1 route, 1 group, 1 source
 
(S,G) 1 route  --------------------------------------------------
Group Address                       Source Address
ff15:100::1                         2001:db8:21::1
    uptime: 02:00    expires: 02:30    assert: 00:00    flags: FL  protocol SM
    incoming: VRF 2          upstream: Extra  reg-sup: 0s
    outgoing: VLAN0010  uptime 02:30    expires --:--
 
VRF: 2  Total: 1 routes, 1 groups, 1 sources
 
(S,G) 1 route  --------------------------------------------------
Group Address                       Source Address
ff15:100::1                         2001:db8:21::1
    uptime: 02:00    expires: 02:30    assert: 00:00    flags: LV  protocol SM
    incoming: VLAN0020       upstream: 2001:db8:20::2  reg-sup: 0s
    outgoing: global    uptime 02:30
    outgoing: VRF 3     uptime 02:30
    outgoing: VRF 4     uptime 02:30
 
VRF: 3  Total: 1 route, 1 group, 1 source
 
(S,G) 1 route  --------------------------------------------------
Group Address                       Source Address
ff15:100::1                         2001:db8:21::1
    uptime: 02:00    expires: 02:30    assert: 00:00    flags: FL  protocol SM
    incoming: VRF 2          upstream: Extra  reg-sup: 0s
    outgoing: VLAN0030  uptime 02:30    expires --:--
 
VRF: 4  Total: 1 route, 1 group, 1 source
 
(S,G) 1 route  --------------------------------------------------
Group Address                       Source Address
ff15:100::1                         2001:db8:21::1
    uptime: 02:00    expires: 02:30    assert: 00:00    flags: FL  protocol SM
    incoming: VRF 2          upstream: Extra  reg-sup: 0s
    outgoing: VLAN0040  uptime 02:30    expires --:--
 
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図33‒4 show ipv6 mcacheコマンドの実行結果
> show ipv6 mcache vrf all group ff15:100::1 source 2001:db8:21::1
Date 20XX/12/10 12:42:30 UTC
Total: 4 routes
VRF: global  Total: 1 route
- Forwarding entry  ----------------------------------------------------------
Group Address                            Source Address
ff15:100::1                              2001:db8:21::1
    uptime: 00:20    expires: 02:40    flags: U
    incoming:
        VRF 2
    outgoing:
        VLAN0010
 
VRF: 2  Total: 1 route
- Forwarding entry  ----------------------------------------------------------
Group Address                            Source Address
ff15:100::1                              2001:db8:21::1
    uptime: 00:20    expires: 02:40    flags: U
    incoming:
        VLAN0020
    outgoing:
        VLAN0010      global
        VLAN0030      VRF 3
        VLAN0040      VRF 4
 
VRF: 3  Total: 1 route
- Forwarding entry  ----------------------------------------------------------
Group Address                            Source Address
ff15:100::1                              2001:db8:21::1
    uptime: 00:20    expires: 02:40    flags:D
    incoming:
        VRF 2
    outgoing:
        VLAN0030
 
VRF: 4  Total: 1 route
- Forwarding entry  ----------------------------------------------------------
Group Address                            Source Address
ff15:100::1                              2001:db8:21::1
    uptime: 00:20    expires: 02:40    flags:D
    incoming:
        VRF 2
    outgoing:
        VLAN0040
 
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