[c-nsp] Self rebooting pix?

[Scott Granados]

Ah that's a good idea, I can give that a shot.

----- Original Message ----- 
From: "Walter Keen" <walter.keen at rainierconnect.net>
To: "Scott Granados" <gsgranados at comcast.net>
Cc: <cisco-nsp at puck.nether.net>
Sent: Monday, January 25, 2010 3:27 PM
Subject: Re: [c-nsp] Self rebooting pix?


> We had a similar problem with a PIX-525 (or was it the 520....) with 
> 6.3, We assumed it was hardware issues and replaced it, but if you have 
> a computer you can stick on the console port, and have it's terminal 
> program log everything to a file, it may provide more information.
> 
> Scott Granados wrote:
>> Hi All,
>> I'm having a strange problem and not much diagnostic output so maybe I 
>> can get some pointers as to what to look at next.
>>
>>    I have a Pix 501 with a non restrictive license that I'm using as a 
>> general firewall and nat device.  There's a 10 megabit ethernet 
>> connection handing a statically routed Internet feed on the WAN side 
>> and a 100 megabit fast E which connects to a core switch.  We nat 
>> probably about 50 - 100 users at a time and the throughput over the 
>> public pathway is less than 8 megabits for the most part and generally 
>> stays around 3 - 5.  The output of show cpu usage shows a usage of 
>> between 10 and 20 percent with lows of 4% and highs around 25.
>>    Randomly through out the day the connection / device will hang, the 
>> switch it's attached to shows the ethernet port go down and come back 
>> up a few times then packets start to flow again.  After the most 
>> recent event I did a show ver on the Pix and saw that the uptime was 
>> less than 2 minutes. After each drop this counter returns to 0 which 
>> tells me the Pix is rebooting for some reason.  Show log doesn't yield 
>> anything interesting and the syslog server that captures the log 
>> output doesn't have any messages around the time of the outages 
>> either.  Total traffic disruption lasts for approximately 30 seconds.  
>> The time of day is random and it does not seem to increase in 
>> frequency with bursts in traffic.  I've obviously checked and insure 
>> that the power cables are firmly attached and the network cables are 
>> securely attached as well.  What other things should I try?  Are there 
>> any other show commands that might yield some more clues?  Has anyone 
>> else experienced this.  The software rev is 6.3.
>>
>> Thanks
>> Scott
>>
>>
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> 
> -- 
> 
> 
> Walter Keen
> Network Technician
> Rainier Connect
> (o) 360-832-4024
> (c) 253-302-0194
>