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dhcp relay

Hi,

I' ve a 3550-12T routing between 5 VLANs and working as a DHCP relay for 4 VLANs. It works ok, but when I configure an ACL it stop working.

The ACLs includes a line "permit ip any any log" and every traffic is allowed except dhcp traffic.

The software:

IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(6)EA1

I think it is an IOS Bug, but not found yet. Any advice?

Thanks

Pablo Ronco

1 REPLY
Cisco Employee

Re: dhcp relay

Pablo

Try upgrading to 12.1(9)EA1. We had a bug in 12.1(6)EA1 due to which the Cat3550 would stop forwarding dhcp requests when inbound access list is applied

http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdw23340

Regards

-Prashanth

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