[rbak-nsp] faulty ARP process ?

[Marcin Kuczera]

On 2012-12-19 15:23, Marcin Kuczera wrote:
> On 2012-12-19 15:14, Navin Nepali wrote:
>> in my case...it happened in the multibind interface...i used to 
>> remove the vlans from the multibind interface and add it again..
>> anyway this is not a good solution but it worked for me...:)
>
> For us, restarting arp process helps for some time...


Again  - I had similar case a moment ago. Some hosts just disappeard and 
couldn't come back for some time into ARP table..
Some other cases ??

Regards,
Marcin

>
> Regards,
> Marcin
>
>
>
>>
>> *From:* Marcin Kuczera <marcin at leon.pl>
>> *To:* "redback-nsp at puck.nether.net" <redback-nsp at puck.nether.net>
>> *Sent:* Wednesday, December 19, 2012 7:55 PM
>> *Subject:* Re: [rbak-nsp] faulty ARP process ?
>>
>> 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 mailto:marcin at leon.pl
>>> *To:* redback-nsp at puck.nether.net <mailto: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, ?ukasz Sierz.e;ga 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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>>>>>>
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>>>>>> Administrator
>>>>>>
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>>>>>>
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