23.3.4 Checking the Status of MP on a Route

You can use the show cfm l2traceroute-db detail command to check detailed information about the route to the destination MP and the MPs on the route. If the NotForwarded message is displayed, you can check the reason that the linktrace message was not forwarded in the Action section on the Ingress Port and the Egress Port lines.

Figure 23-35: Result of executing show cfm l2traceroute-db detail command
> show cfm l2traceroute-db remote-mac 0012.e220.1040 detail Date 20XX/03/16 10:21:42 UTC L2traceroute to MP:2010(0012.e220.1040) on Level:7 MA:2000 MEP:2020 VLAN:20 Time:20XX/03/16 10:21:42 63 0012.e220.10a9 Forwarded Last Egress : 0012.f110.2400 Next Egress : 0012.e220.10a0 Relay Action: MacAdrTbl Chassis ID Type: MAC Info: 0012.e228.10a0 Ingress Port MP Address: 0012.e220.10a9 Action: OK Egress Port MP Address: 0012.e220.10aa Action: OK 62 0012.e228.aa3b NotForwarded Last Egress : 0012.e220.10a0 Next Egress : 0012.e228.aa30 Relay Action: MacAdrTbl Chassis ID Type: MAC Info: 0012.e228.aa30 Ingress Port MP Address: 0012.e228.aa2c Action: - Egress Port MP Address: 0012.e228.aa3b Action: Down >

Figure 23-35: Result of executing show cfm l2traceroute-db detail command

> show cfm l2traceroute-db remote-mac 0012.e220.1040 detail
Date 20XX/03/16 10:21:42 UTC
L2traceroute to MP:2010(0012.e220.1040) on Level:7  MA:2000  MEP:2020  VLAN:20
Time:20XX/03/16 10:21:42
63   0012.e220.10a9  Forwarded
  Last Egress : 0012.f110.2400  Next Egress : 0012.e220.10a0
  Relay Action: MacAdrTbl
  Chassis ID    Type: MAC       Info: 0012.e228.10a0
  Ingress Port  MP Address: 0012.e220.10a9  Action: OK
  Egress Port   MP Address: 0012.e220.10aa  Action: OK
62   0012.e228.aa3b  NotForwarded
  Last Egress : 0012.e220.10a0  Next Egress : 0012.e228.aa30
  Relay Action: MacAdrTbl
  Chassis ID    Type: MAC       Info: 0012.e228.aa30
  Ingress Port  MP Address: 0012.e228.aa2c  Action: -
  Egress Port   MP Address: 0012.e228.aa3b  Action: Down
>