[rbak-nsp] faulty ARP process ?

Marcin Kuczera marcin at leon.pl
Wed Dec 19 09:10:15 EST 2012


On 2012-12-19 15:01, Navin Nepali wrote:
> hello!!!
> Are you using multibind interface?
>
> I had the problem with the ARP when the vlans are bind to multibind 
> interface.

We do, however this problem appears on both multibind and static 
interfaces with /24, /23 and /30 mask..

Regards,
Marcin

>
>
> ------------------------------------------------------------------------
> *From:* Marcin Kuczera <marcin at leon.pl>
> *To:* redback-nsp at puck.nether.net
> *Sent:* Wednesday, December 19, 2012 2:36 AM
> *Subject:* Re: [rbak-nsp] faulty ARP process ?
>
> On 2012-12-18 19:40, Łukasz Sierżęga wrote:
>> I checked this problem now with SEOS-11.1.2.5p2-Release and it seems to be
>> fixed now .. or hidden :)
>
> Ours is
> SEOS-11.1.2.6p1-Release so newer...
> However I was told that there is 11.1.2.6p3
>
> Anyone having release notes ?
>
> Regards,
> Marcin
>
>
>> Dnia wtorek, 18 grudnia 2012 13:44:51 Marcin Kuczera pisze:
>>> On 2012-12-17 16:46, ?ukasz Sierz.e;ga wrote:
>>>> I saw something similar on older software ~6.1.4.
>>>>
>>>> I've set very long arp timeout to workaround this and don't know it was
>>>> fixed later.
>>> We had this situation again, this  morning.
>>> I don't think it's solution here.
>>>
>>> Behaviour is like that:
>>> - everything works fine
>>> - some entries disappear from arp-cache
>>> - "sniffing" on dead hosts shows, that SmartEdge does not send any ARP
>>> requests, nor responds for requests from remote hosts (only particular
>>> ones).
>>> - rest of host work fine, ARPs go in both directions.
>>>
>>> - restart of arp process resolves this issue till next time (usually ~24h)
>>>
>>> Regards,
>>> Marcin
>>>
>>>> Dnia poniedzia?ek, 17 grudnia 2012 13:34:29 Marcin Kuczera pisze:
>>>>> hello,
>>>>>
>>>>> recently we had 2 cases, when some of the hosts on static VLANs
>>>>> disappeard.
>>>>> show arp-cache shows nothing related to those hosts, other hosts on the
>>>>> same VLAN work fine.
>>>>>
>>>>> restarting of arp process resolves this issue temporairly (till next
>>>>> problem).
>>>>>
>>>>> node: SE600 with 4x10G card
>>>>> Redback Networks SmartEdge OS Version SEOS-11.1.2.6p1-Release
>>>>> Built by sysbuild at SWB-node13 Thu Nov 8 09:39:07 PST 2012
>>>>> Copyright (C) 1998-2012, Redback Networks Inc. All rights reserved.
>>>>> System Bootstrap version is Mips,rev2.0.2.45
>>>>> Installed minikernel version is 11.7
>>>>>
>>>>> Anyone noticed similar behaviour ?
>>>>>
>>>>> Regards,
>>>>> Marcin
>>>>>
>>>>>
>>>>>
>>>>>
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>>>> ------
>>>> Pozdrawiam
>>>>
>>>> ?ukasz Sierz.e;ga
>>>> Administrator
>>>>
>>>> Tomków Sp. z o.o.
>>>>
>>>> tel.: 756 455 310
>>>> email:lukasz.sierzega at tomkow.pl  <mailto:lukasz.sierzega at tomkow.pl>
>>>> www.tomkow.pl  <http://www.tomkow.pl/>
>>>>
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