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Date:	Wed, 22 Feb 2012 15:03:11 -0800
From:	Arun Sharma <>
To:	Julian Anastasov <>
CC:	<>, LKML <>,
	"David S. Miller" <>,
	Stephen Hemminger <>
Subject: Re: route add default fails with ESRCH?

On 2/22/12 1:52 PM, Arun Sharma wrote:

> I'll try to figure out why my RT_TABLE_MAIN was empty after my network
> startup scripts finished. But given my experience with 2.6.38, fib_hash
> handled this case just fine and fib_trie broke it :(

Turns out that we had a /sbin/ifup-local that deleted all the routes 
including default gw and populated the route afresh.

route del default gw ...
ip route | grep -v scope | awk '{print $1}' | while read route; do ip 
route flush $route; done

This worked fine with fib_hash, but breaks with fib_trie. I'll 
investigate why this was done and look for a workaround if possible.


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