mpls_ldp[1240]: %ROUTING-LDP-4-PEER_DUP_ADDRS : VRF 'default' (0x6000

[psymonds7769]

Getting this error message in the log:

mpls_ldp[1240]: %ROUTING-LDP-4-PEER_DUP_ADDRS : VRF 'default' (0x60000000), 1 Duplicate address(es) advertised by more than one peer

I'm not seeing more than 1 LDP peer advertising this IP however.

RP/0/RSP0/CPU0:BOITIDGDNN001#show mpls ldp structs dup-addr
Thu Aug 3 05:19:17.553 MDT

Duplicate Peer Addresses DB
===========================
Address: 10.16.135.94
peer 10.16.128.146:0 (pp 0x4a8ad034)

RP/0/RSP0/CPU0:BOITIDGDNN001#show mpls ldp neighbor | include 10.16.135.94
Thu Aug 3 05:22:39.063 MDT
10.16.134.234 10.16.135.70 10.16.135.81 10.16.135.94

Am I correct that only seeing 1 LDP peer means that there are not multiple peers that have this address bound to it, and that it's possibly a cosmetic bug?  I've configured a logging suppress rule in the meantime.

[M02@rt37]

Hello @psymonds7769,

which platform and which IOS-Xr version?

[psymonds7769]

cisco ASR9K Series

asr9k-os-mbi-6.7.3/0x100000/mbiasr9k-rp

[Harold Ritter · Accepted solution]

Hi @psymonds7769 ,

Can you run the following command:

show mpls ldp neighbor detail | include 10.16.135.94

Regards,

[psymonds7769]

RP/0/RSP0/CPU0:BOITIDGDNN001#show mpls ldp neighbor detail | include 10.16.135.94
Thu Aug 3 08:51:18.578 MDT
10.16.134.234 10.16.135.70 10.16.135.81 10.16.135.94
10.16.135.94

[Harold Ritter]

Thanks for the information @psymonds7769 ,

You can clearly see in this output the this address is bound two different LDP neighbors.

Regards,

[paul mebale]

Hi Harold

What is there to be done as soon as we discover the peers with the duplicate ip address ?  I am having the same issue presently

Thanks, regards

Paul

[Harold Ritter]

Hi @paul mebale ,

This is a misconfiguration. You need to make sure that the same IP address is not configured on two different neighbors.

Regards,

[paul mebale]

allright. 

Thank you @har 

Best regards 

[psymonds7769]

AHHA!  I see it now!  Thanks!!

[Harold Ritter]

You are very welcome @psymonds7769 and thanks for the feedback