Cisco ASA 7.2(2) and undersize packet

Answered Question
Aug 13th, 2010

Hi,

I have one Cisco Catalyst 2960 connected to ASA 5520 as Trunk. The version on ASA is 7.2(2).

The port on the 2960 connected to ASA is reporting lost of undersize packet.

Is there any problem with this on version 7.2(2) or shuld I continue search for the problem.

Best Regards

Magnus

I have this problem too.
0 votes
Correct Answer by Nagaraja Thanthry about 6 years 3 months ago

Hello,

Undersize packet is not a problem. Cisco devices keep a count of how many

undersize packets they have received but will still pass them through.

Mostly, undersize packets are generated due to driver issues. If you think

that it is still a problem, upgrade the code on the firewall.

Hope this helps.

Regards,

NT

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Correct Answer
Nagaraja Thanthry Fri, 08/13/2010 - 06:40

Hello,

Undersize packet is not a problem. Cisco devices keep a count of how many

undersize packets they have received but will still pass them through.

Mostly, undersize packets are generated due to driver issues. If you think

that it is still a problem, upgrade the code on the firewall.

Hope this helps.

Regards,

NT

snakayama Tue, 11/09/2010 - 23:04

Hello,

Please check the following DDTS/Bug if your Catalyst 2960 is working before 12.2(37)SE.

CSCsh17651
3560 connected via dot1q cause undersize counters to incress

Regards,

Shin

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