次の例では、BGP MVPN 送信元 AS の拡張コミュニティ フィルタリングを設定します。
Device# configure terminal
Device(config)# router bgp 45000
Device(config)# address-family ipv4 vrf vpn1
Device(config-router-af)# unicast-reachability source-as disable
Device(config-router-af)# exit
次に、 show ip bgp vpnv4 vrf vpn1 コマンドの出力例を示します。
Device# show ip bgp vpnv4 vrf vpn1
BGP routing table entry for 10:10:1.1.1.1/32, version 25
Paths: (2 available, best #2, table red)
Multipath: eiBGP
Advertised to update-groups:
1
Refresh Epoch 1
Local, imported path from 10:11:1.1.1.1/32 (global)
1.1.1.2 (metric 11) (via default) from 1.1.1.5 (1.1.1.5)
Origin incomplete, metric 11, localpref 100, valid, internal
Extended Community: RT:1:1 OSPF DOMAIN ID:0x0005:0x000000C80200
MVPN AS:55:0.0.0.0 MVPN VRF:1.1.1.2:2 OSPF RT:0.0.0.0:2:0
OSPF ROUTER ID:10.10.20.2:0
Originator: 1.1.1.2, Cluster list: 1.1.1.5
Connector Attribute: count=1
type 1 len 12 value 10:11:1.1.1.2
mpls labels in/out 20/21
rx pathid: 0, tx pathid: 0
Refresh Epoch 1
Local
10.10.10.100 (via vrf red) from 0.0.0.0 (1.1.1.1)
Origin incomplete, metric 11, localpref 100, weight 32768, valid, sourced, best
Extended Community: RT:1:1 OSPF DOMAIN ID:0x0005:0x000000C80200
MVPN VRF:1.1.1.1:1 OSPF RT:0.0.0.0:2:0 OSPF ROUTER ID:10.10.10.1:0
mpls labels in/out 20/nolabel
rx pathid: 0, tx pathid: 0x0