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Bug 595 - iproute2: multipath routing bug
Summary: iproute2: multipath routing bug
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: Daniel Robbins (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2002-02-07 19:44 UTC by Fred Bulthuis
Modified: 2003-02-04 19:42 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Fred Bulthuis 2002-02-07 19:44:43 UTC
I used the ip utility to do some routing on my 4 nic router/firewall. I was 
using version ip utility, iproute2-ss010824, which is the same as Gentoo 
uses. I was using it on a Slackware 8 box  but I had some trouble with 
multipath routing using nexthop. After some time (5-15 minutes or so) the 
relevant output of ip route show was :

default
        nexthop via 213.51.x.1  dev eth3 weight 1
        nexthop via 212.204.x.1  dev eth1 weight 1
        nexthop via 212.204.x.1  dev eth2 weight 1 dead

The dead via wasn't dead at all, it's a bug somewhere and it was resolved in 
a later release of iproute2. I  use  ip utility, iproute2-ss020116 and didn't 
see this dead error any more.  Maybe Gentoo should update the iproute2 
version as well, but I don't know if the Gentoo version was patched to 
resolve this problem.
This a posting on LARCT on this subject containing a patch as well. Didn't test
it . http://mailman.ds9a.nl/pipermail/lartc/2001q4/002127.html
Comment 1 Daniel Robbins (RETIRED) gentoo-dev 2002-02-07 23:38:06 UTC
Fixed in iproute-2.4.7-r1.ebuild on CVS.  If you like, submit another ebuild to
request a new version of iproute.  It was quicker to fix the bug in the current
version rather than upgrade to a new version, but we should upgrade too at some
point.  Please test this patched version to ensure it works.