以下哪条命令可以查看6000设备的PW保护倒换状态?()
A.show l2vpn pw-redundancy-group detail
B.show l2vpn pw-redundancy-group brief
C.show l2vpn pw-redundancy-group summary
D.show l2vpn pw-redundancy-group
A.show l2vpn pw-redundancy-group detail
B.show l2vpn pw-redundancy-group brief
C.show l2vpn pw-redundancy-group summary
D.show l2vpn pw-redundancy-group
A.show l2vpn pw-redundancy-group summary
B.show l2vpn pw-redundancy-group detail
C.show l2vpn pw-redundancy-group brief
D.show l2vpn pw summary
A.lspvhdisk1
B.lsvg-phdisk1
C.lsattr-phdisk1
D.lsdev-E-lhdisk1
A.lscons-l
B.cat/var/conslog
C.alog-tconsole-o
D.lslog/var/adm/conslog
A.showipospfborder-router
B.showipospfdatabase
C.showipospfneighbor
D.showipospfinterface
A.showmplsvrf-table
B.showmplsforwarding-table
C.showmplsftn-table
D.showmplsvc-table
A.用sccinfo命令查看NCP到光板的收发是否正常
B.用telnet命令分别登陆故障网元或者其相邻网元,用route–a、if–a、ppptable等命令查看路由是否正确
C.用ping和tracert命令可以大致判断ECC故障出现的故障点或者故障区间
D.ping数据包,观察ECC的状况