When configuring pseudo wire for E1 service on ZXCTN equipment, make sure ()and contro

A．A.packet loss occurs on local equipment from service side to pseudo wire side

B．B.packet loss occurs to pseudo wire side from remote equipment to local equipment

C．C.AIS alarm occurs to 2M service side of remote equipment

D．D.AIS alarm occurs to 2M service side of local equipment

选项格式A. Problems occur to UNI service port of node 选项格式A.

B.Problems occur to UNI service port of node B

C.Problems occur to pseudo wire configuration of nodeA. Problems occur to UNI service port of node 选项格式A.

B.Problems occur to UNI service port of node B

C.Problems occur to pseudo wire configuration of node 选项格式A.

D.Problems occur to tunnel configuration of node B.

A．A.monitoring

B．B.service encapsulatio

C．C.MCC

D．D.client

A. Hostname

B. fully qualified domain name

C. IP address

D. address book entry

A．A.1:1

B．B.ndouble-emission and double-receiving

C．C.ndouble-emission and single-receiving

D．D. nsingle-emission and double-receiving

clock.

A.MPLS(Multiprotocol Label Switching)

B.Store and Forward存储转发

C.PWE3(Pseudo Wire Emulation Edge-to-Edge)

D.Fast-forward 快速转发

A．A.Currently, PW dual-homing supports two kinds of services: ETH service and E1 servic

B．B.PW dual-homing of ETH/E1 service supports PW1:1, PW1+1.

C．C.PW dual-homing of E1 service only supports PW1+1. ETH service supports PW1:1，PW1+1.

D．D.PW dual-homing of ETH service only supports PW1+1. E1 service supports PW1:1, PW1+1.

E1 service clock in STM-1 board of 9000 32R1 version works in()clock mode by default. But it needs to be configured into()clock mode to ensure clock sync when the existing network runs MSC main boards and clock sync is not configured for the whole network.