Wednesday, June 1, 2011

DHCP client broken in c7301-jk9s-mz.124-25d.bin

The DHCP client on c7301-boot-mz.124-17.bin does not work.  You have been warned.

I was trying to run up a router on a LAN segment that was notorious for having layer 2 issues and kept not being able to get an IP.  Eventually after using a known-good cable on a known-good port where DHCP worked (the one my PC was plugged into minutes earlier) I noticed the packet counters were still slowly incrementing on the interface.  I hard-set the IP and it worked.

File this under "Information I could have used 20 minutes ago".

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