CEM0/1/2, ID: 0, Line: UP, Admin: UP, Ckt: ACTIVE
Controller state: up, T1/E1 state: up
Idle Pattern: 0xFF, Idle CAS: 0x8
Dejitter: 5 (In use: 0)
Payload Size: 192
Framing: Unframed
CEM Defects Set
None
Signalling: No CAS
RTP: No RTP
Ingress Pkts: 11060 Dropped: 0
Egress Pkts: 11061 Dropped: 0
CEM Counter Details
Input Errors: 0 Output Errors: 0
Pkts Missing: 0 Pkts Reordered: 0
Misorder Drops: 0 JitterBuf Underrun: 0
Error Sec: 0 Severly Errored Sec: 0
Unavailable Sec: 0 Failure Counts: 0
Pkts Malformed: 0 JitterBuf Overrun: 0
• show cem circuit summary — Displays the number of circuits which are up or down per interface basis.
Router# show cem circuit summary
CEM Int. Total Active Inactive
--------------------------------------
CEM0/1/0 1 1 0
Circuit Emulation Service over Packet-Switched Network
CESoPSN is a method for encapsulating structured (NxDS0) TDM signals as pseudowires over packet
switching networks.
Restrictions for CESoPSN on T1 Interface
• The maximum number of CEM interface supported is 192.
• The DS0 loopback is not supported on the T1 interface.
• The alarm forwarding is not supported on the T1 interface.
• The card protection is not supported on the T1 interface.
Configuring CEM Group for CESoPSN on T1 Interface
The following section describes how to configure a CEM group for CESoPSN.
To configure xconnect over MPLS, use the following commands:
enable
configure terminal
control t1 0/4/32
cem-group 0 timeslots 1-10
Configure xconnect:
48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)
21
Overview of Circuit Emulation
Circuit Emulation Service over Packet-Switched Network
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