Pix 515 reboots repeatedly with version 7.0.8 and 8.0.4

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Oct 6th, 2009
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I have an odd problem I am hoping someone can help me with.

I have a Pix 515 firewall Restricted with 16MB Flash and 64MB RAM. Whenever I tried to boot it with version 7.0.8 or 8.0.4, the firewall stays up for about 5 minutes and then it reboot itself every five minutes. With version 7.2.3, it seems to be stable to stay up without reboot.

My configuration is very simple:

nat (inside) 1 0 0

global (outside) 1 interface

access-list External permit ip any any log

access-group External in interface outside

Anyone run into this issue before? Thanks in advance

CiscoPix# sh ver

Cisco PIX Security Appliance Software Version 7.2(3)

Compiled on Wed 15-Aug-07 16:08 by builders

System image file is "flash:/pix723.bin"

Config file at boot was "startup-config"

CiscoPix up 50 mins 7 secs

Hardware: PIX-515, 64 MB RAM, CPU Pentium 200 MHz

Flash xxxxxxx @ 0x300, 16MB

BIOS Flash xxxxxx @ xxxxxx, 32KB

Encryption hardware device : VAC (IRE2141 with 0KB, HW:1.0, CGXROM:1.9, FW:6.5)

0: Ext: Ethernet0 : address is xxxx.yyyy.zzzz, irq 11

1: Ext: Ethernet1 : address is xxxx.yyyy.zzzz, irq 10

2: Ext: Ethernet2 : address is xxxx.yyyy.zzzz, irq 9

Licensed features for this platform:

Maximum Physical Interfaces : 3

Maximum VLANs : 10

Inside Hosts : Unlimited

Failover : Disabled

VPN-DES : Enabled

VPN-3DES-AES : Enabled

Cut-through Proxy : Enabled

Guards : Enabled

URL Filtering : Enabled

Security Contexts : 0

GTP/GPRS : Disabled

VPN Peers : Unlimited

This platform has a Restricted (R) license.

Serial Number: xxxxxxxx

Running Activation Key: 0xxxxxxx 0xxxxxxx 0xxxxxx 0xxxxxxx

Configuration has not been modified since last system restart.


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JORGE RODRIGUEZ Tue, 10/06/2009 - 15:27
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try to see if u can find any crashinfo file saved under the other two codes, if any carsh info u see perhaps we can look at open caveats on those codes .. my gues must be software as pix can stay up in 7.2.3 code.

cisco24x7 Tue, 10/06/2009 - 15:46
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I knew you were going to ask about the crashinfo file. After the Pix reboot, I see nothing in the flash: except the binary file pix708.bin and pix723.bin files. Maybe the flash: does not have enough space for the crashinfo.

Funny thing is that version 7.0.8 is GD (General Deployment) so one would expect it to be a much more stable version than 7.2.3 which is a Early Deployment (ED) version.

JORGE RODRIGUEZ Wed, 10/07/2009 - 03:23
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Did you oly used the codes without using asdm image intalls perhaps to leave space for crashfile I assume you probably did, or try other code other than the GD and 8.0.4 .. it could well be new bug hard to tell without crashfile for tac to check.

Patrick0711 Wed, 10/07/2009 - 08:52
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I'm suspecting a memory issue as I've run across similar issues with a 64MB 515E running 7.2(3).

Please provide the output of 'show blocks'

cisco24x7 Wed, 10/07/2009 - 09:16
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CiscoPix# sh blocks


0 100 100 100

4 300 299 299

80 100 68 100

256 612 504 612

1550 2031 1354 1647

2048 100 100 100


Patrick0711 Wed, 10/07/2009 - 11:13
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The memory blocks look fine. As far as I know 8.X code has never been supported on the 515E. I'd install 7.2(3) as this is a Cisco-Supported implementation.

JORGE RODRIGUEZ Wed, 10/07/2009 - 11:26
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8.X code has never been supported on the 515E

Just to clarify code 8.x is indeed supported on PIX 515E.

cisco24x7 Wed, 10/07/2009 - 12:31
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My Pix is NOT 515E. I only have 515.


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