netdev - Re: [iproute2] iproute2: Allow 'ip addr flush' to loop more than 10 times.

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Message-ID: <4C2A1FC1.9010403@candelatech.com>
Date:	Tue, 29 Jun 2010 09:30:57 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Alexander Clouter <alex@...riz.org.uk>
CC:	netdev@...r.kernel.org
Subject: Re: [iproute2] iproute2:  Allow 'ip addr flush' to loop more than
 10 times.

On 06/29/2010 08:48 AM, Alexander Clouter wrote:
> Ben Greear<greearb@...delatech.com>  wrote:
>>
>>>> This is useful for getting rid of large numbers of IP
>>>> addresses in scripts.
>>>>
>>> Maybe I am missing a trick, but what is wrong with putting this trivial
>>> logic into the script:
>>>
>>> ip addr show ${DEV} | awk '/inet6? / { print $2 }' | xargs -I{} ip addr del '{}' dev ${DEV}
>>
>> This isn't going to be fast if you have thousands of addresses.
>>
> Obviously not like-for-like but:

You might try comparing against -batch mode v/s individual
calls to ip.

I'd enjoy adding/removing thousands of IP addrs in < 1 second,
but got a bit of work to do before I get there I think.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com
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