Examples
The following example shows how to display the information published in the Interface AIS table:
RP/0/RSP0/CPU0:router# show ethernet cfm interfaces ais
Defects (from at least one peer MEP):
A - AIS received I - Wrong interval
R - Remote Defect received V - Wrong Level
L - Loop (our MAC received) T - Timed out (archived)
C - Config (our ID received) M - Missing (cross-check)
X - Cross-connect (wrong MAID) U - Unexpected (cross-check)
P - Peer port down D - Local port down
Trigger Transmission
AIS --------- Via ---------------------------
Interface (State) Dir L Defects Levels L Int Last started Packets
------------------------ --- - ------- ------- - --- ------------ --------
Gi0/1/0/0.234 (Up) Dn 5 RPC 6 7 1s 01:32:56 ago 5576
Gi0/1/0/0.567 (Up) Up 0 M 2,3 5 1s 00:16:23 ago 983
Gi0/1/0/1.1 (Dn) Up D 7 60s 01:02:44 ago 3764
Gi0/1/0/2 (Up) Dn 0 RX 1!
Table 11: show ethernet cfm interfaces ais Field Descriptions
The name and state of the interface.Interface (State)
The direction that the AIS packets are transmitted,
up or down.
AIS dir
The level of the lowest MEP that is transmitting
AIS.The field is blank if there are no down MEPs on
the interface, and AIS is being transmitted due to
configuration on the interface itself.
Trigger L
Defects detected by the lowest MEP transmitting AIS.Trigger Defects
The levels of any MEPs on the interface that are
receiving AIS from a lower MEP, and potentially
re-transmitting the signal. If the highest MEP is not
re-transmitting the signal, the list of levels is ended
using an exclamation point.
Via Levels
The level at which AIS is being transmitted outside
of the interface, via a MIP. The field is blank if this
is not occurring.
Transmission L
The interval at which AIS is being transmitted outside
of the interface via a MIP. The field is blank if this
is not occurring.
Transmission Int
If AIS is being transmitted outside of the interface,
the time that the signal started. The field is blank if
this is not occurring.
Transmission last started
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
325
Ethernet OAM Commands on the Cisco ASR 9000 Series Router
show ethernet cfm interfaces ais
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