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Bug #10397

closed

Changing default or static route gateway on 2.5.0 does not remove old route

Added by Jim Pingle over 1 year ago. Updated about 1 year ago.

Status:
Resolved
Priority:
High
Category:
Gateways
Target version:
Start date:
03/31/2020
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.5.0
Affected Architecture:

Description

2.5.0 has multi-path (RADIX_MPATH) enabled in its kernel (#9544) which allows multiple routes to the same destination to exist in the routing table.

This leads to a problem when changing the default gateway on system_gateways.php. When the user selects a different default gateway, then saves and applies changes, the old default is not removed:

WAN gateway selected as default:

: netstat -rn4 | grep default
default            198.51.100.1       UGS         em0

Default changed to WAN2 gateway, then save/apply:

: netstat -rn4 | grep default
default            198.51.100.1       UGS         em0
default            203.0.113.1        UGS         em2

The second route must be removed by hand (e.g. route delete default 198.51.100.1), or a reboot would also clear it.

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