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Date:	Wed, 22 Feb 2012 17:26:26 -0800
From:	Arun Sharma <>
To:	David Miller <>
CC:	<>, <>,
	<>, <>
Subject: Re: route add default fails with ESRCH?

On 2/22/12 3:56 PM, David Miller wrote:
> It breaks because that script sequence quoted above depends upon the
> order in which the routes are listed.  Since fib_hash and fib_trie use
> different datastructures, the order in which route entries are dumped
> will not be the same and this is completely unavoidable.

Here's a minimal repro case:

# ip route flush default
# route add default gw
SIOCADDRT: No such process

This fails for me on both 2.6.38 and 3.2.

I think the dependency we have is the actual format of the default route 


# ip route
<bunch of routes>
throw default


# ip route
default via dev eth0  proto static
<bunch of routes>

when the output was piped to awk '{ print $1 }' we ended up deleting the 
default route for fib_trie case, but not the fib_hash case.

I'll just fix up our scripts. Thanks for looking into it.


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