On 10/1/18 4:51 PM, Tom Eastep wrote:
> On 09/17/2018 03:15 AM, Jeremie Courreges-Anglas wrote:
>> From: htouvet <[email protected]>
>>
>> Newish iproute2 print "linkdown" when the link state of the interface
>> associated with a route is down.  This breaks multi-providers
>> operations.  As a quickfix, tweak add/remove_gateway to strip
>> "linkdown" from ip route output.  This diff does not address IPv6
>> handling, which also looks affected.
>>
> Hi Jeremie,


Hi,


> Sorry to be slow responding; I've been traveling abroad and am just
> getting caught up again.

Also sorry for the delay...


> Shorewall 5.2.0.3 contains a fix for this issue; the fix was updated in
> 5.2.0.4 to make it play better with link monitors like FooLSM. Have you
> continued to experience this problem with that fix in place?


That's right, the patch was originally written on top of 5.2.0.4.  Two
data points:

- the issue is only visible when the relevant route is associated to an
interface whose link is down (unplugged, peer down, etc).

- also, we have our in-house link monitor working on top of shorewall,
maybe it doesn't exercise the same parts of shorewall as FooLSM does.


Regards,

-- 

Jeremie Courreges-Anglas - Tranquil IT Systems
https://www.tranquil.it/ - https://dev.tranquil.it/



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