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Use unidirectional BGP connections in the node-to-node mesh #79

Merged
merged 2 commits into from Oct 15, 2018
Merged

Use unidirectional BGP connections in the node-to-node mesh #79

merged 2 commits into from Oct 15, 2018

Commits on Oct 15, 2018

  1. Use unidirectional BGP connections in the node-to-node mesh. 

    Works around a bug in the BGP graceful restart protocol:
if a node is gracefully restarting, and its peer opens a connection
(due to its connection retry timer) before the restart has completed,
the graceful restart is aborted. This results in a route flap.

This change makes it so the BGP connection is only opened in one direction.
If a node is peering with another node that has a (lexicographically)
lesser IP address, we make the connection passive.

Tigera issue number: CNX-4867.
    @fasaxc
    fasaxc committed Oct 15, 2018
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  2. Tune BGP reconnection and error timers.

    @fasaxc
    fasaxc committed Oct 15, 2018
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    21b6641 View commit details
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