BGP flapping while peering with Juniper - Hold timer expired error

[Jimmy Halim]

Hi guys,

I had problem bringing up 1 IPv6 BGP neighbour after migration from OpenBGPd to BIRD. The session keeps flapping and no routes have been exchanged as well.

The log in BIRD:
Sep 5 00:13:38 ixrs2 kernel: MD5 Hash mismatch for (2001:0de8:0005:0000:0000:0000:1234:0001, 56545)->(2001:0de8:0005:0000:0000:0002:1234:0002, 179)
Sep 5 00:14:03 ixrs2 kernel: MD5 Hash mismatch for (2001:0de8:0005:0000:0000:0000:1234:0001, 56545)->(2001:0de8:0005:0000:0000:0002:1234:0002, 179)

The log in Juniper:
Sep 4 11:51:50 xcr1.tyo rpd[1498]: bgp_recv: read from peer 2001:de8:5::2:1234:2 (External AS 21234) failed: Connection reset by peer
Sep 4 11:53:26 xcr1.tyo rpd[1498]: bgp_recv: read from peer 2001:de8:5::2:1234:2 (External AS 21234) failed: Connection reset by peer
Sep 4 11:54:30 xcr1.tyo rpd[1498]: bgp_recv: read from peer 2001:de8:5::2:1234:2 (External AS 21234) failed: Connection reset by peer

Have you guys encountered the same issue before? I have confirmed that the MD5 password is matching. The same neighbour has BGP session to my other BIRD server and the session is running fine! The next step from my side probably is to remove the MD5 password on my end and on other end.

Thanks,
Jimmy

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