Network Slowness on a PIX 506E

Unanswered Question
Dec 29th, 2008

All,

I am trying to troubleshoot some network slowness behind a PIX 506E firewall running 6.3.3 This is the current "show interface" from the PIX and if I am reading this correctly the input queues are maxed for both interfaces. If that is the case is there anything I can do or are they hitting the limit of this model PIX? I am not very familiar with them to be honest. Thanks in advance for the responses:

interface ethernet0 "PUBLIC" is up, line protocol is up

Hardware is i82559 ethernet, address is 0012.43b6.2ccd

IP address 66.252.76.162, subnet mask 255.255.255.224

MTU 1500 bytes, BW 100000 Kbit full duplex

3996296 packets input, 2007993487 bytes, 0 no buffer

Received 12064 broadcasts, 0 runts, 0 giants

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

4095325 packets output, 2785820775 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collisions, 0 deferred

0 lost carrier, 0 no carrier

input queue (curr/max blocks): hardware (128/128) software (0/22)

output queue (curr/max blocks): hardware (0/25) software (0/1)

interface ethernet1 "inside" is up, line protocol is up

Hardware is i82559 ethernet, address is 0012.43b6.2cce

IP address 10.192.15.254, subnet mask 255.255.255.0

MTU 1500 bytes, BW 100000 Kbit full duplex

4371462 packets input, 2819414561 bytes, 0 no buffer

Received 162 broadcasts, 0 runts, 0 giants

1 input errors, 1 CRC, 0 frame, 0 overrun, 1 ignored, 0 abort

3648545 packets output, 1977143563 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collisions, 0 deferred

3 lost carrier, 0 no carrier

input queue (curr/max blocks): hardware (128/128) software (0/13)

output queue (curr/max blocks): hardware (2/11) software (0/1)

I have this problem too.
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sbilgi Fri, 01/02/2009 - 12:46

you can go ahead and still configure both interface to "auto" negotiation and see if that resolves the issue that you were having about the late collisions, in such a way the PIX will configure itself to the maximum speed of transmission that can be handled

by the surrounding devices.

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