PE设备上的配置如下所示,则对于该配置命令的描述,正确的是?Bgp 500
Peer 5.5.5.5 as-number 500
Peer5.5.5.5 connect-interface LoopBacko
#
Ipv4-family vpnv4
Peer 5.5.5.5 enable
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Ipv4-family vpn-instance VPNI“
Peer 10.1.13.1 as-number 100
#
Ipt4-family vpn-instance VPX2
Peer 10.1.23.2 as-number 200