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After an upgrade to R80.10, BGP peer is stuck in Active state
Technical Level
Solution ID
sk131592
Technical Level
Product
Security Gateway
Version
R80.10
OS
Gaia
Date Created
06-Aug-2018
Last Modified
17-Mar-2020
Symptoms
After an upgrade to R80.10, BGP peer is stuck in the Active state (previous versions did not exhibit these symptoms).
Negotiations fail after the first UPDATE packet.
Routed stops working unexpectedly, and may create a core dump file.
Running routed debug (according to sk101399) results in:
"[routed] ERROR: aspath_hash_resize: New length (138) is greater than the current length (132)"
"Malformed AS Path"
"AS path attribute problem" notification to peer.
Cause
The BGP Peer is using 2-byte AS numbers. R80.10 is not properly handling AS paths from peers that do not support 4-byte AS numbers, specifically when the paths are long.
