[j-nsp] juniper m5 and flapping pings

[Erdem Sener]

Hi Florian,

 Are you pinging 'from' the box itself or "via" the box? In case you're
experiencing
this "from" the box, you should check whether if you have logging
enabled 
on a firewall filter applied to interface(s).

 You could also do a "show chassis cfeb" and check the CPU status.

 Cheers,
 Erdem 

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> Florian Taeger
> Sent: Monday, March 28, 2005 4:37 PM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] juniper m5 and flapping pings
> 
> Hi everybody,
> 
> I'm just experiencing some very strange behaviour of a m5 
> router. The router is used to speek bgp with around 200 peers 
> and with 3x 1000Base-SX and 4x 100Base-TX interfaces. 
> Everything seems to work properly, but every 45 to 60 seconds 
> the pings to all external targets jump up to 40ms (or even 
> 80ms) for some ms. Then everything works fine again at <5ms. 
> I tried to change the chassis to a m10 but the problem itself 
> does not disappear. I even changed the pics, but again the 
> problem did not disapear. I don't think the router engine 
> causes this problem - everything else workes fine (routing 
> itself, ...).
> 
> So I'm not quite sure what could cause this behaviour. The 
> router is at a cpu load < 30% ...
> 
> Does anyone of you know this issue? Any suggestions? I do not 
> have a spare routing engine, so I'm not able to change this 
> part at the moment. Everything else (chassis, pics) were 
> changed in the past - without any change of the problem.
> 
> Best regards,
> 
> Florian
> 
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> 


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