BGP Connection Not Connecting on NSX-T edge node due to TCP: MD5 Hash failed
Article ID: 330509
Updated On:
Products
VMware NSX
Issue/Introduction
to document a known issue with MD5 checksum and BGP
Symptoms:
BGP connection not established with peer
To find more go to the root directory of /var/log/
to search for this specific error run the following
you will find something similiar to
Symptoms:
BGP connection not established with peer
To find more go to the root directory of /var/log/
cd /var/log/
to search for this specific error run the following
grep 'TCP: MD5 Hash' syslog
you will find something similiar to
2023-05-23T20:37:39.064Z edgenode.localhost kernel - - - [10027703.550290] TCP: MD5 Hash failed for (source-bgp-ip, 46784)->(destination-bgp-ip, 179)when facing this issue
Environment
VMware NSX-T Data Center
Cause
$ is not a supported character for BGP password and will cause MD5 checksum error
Resolution
known issue - do workaround
Workaround:
remove $ from the password and the connection will establish if this is the only issue
Workaround:
remove $ from the password and the connection will establish if this is the only issue
Additional Information
Impact/Risks:
unable to establish BGP connection when $ is in the password of the BGP connection
unable to establish BGP connection when $ is in the password of the BGP connection
Feedback
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