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Recently I upgraded all my sites’ ISRs’ IOS versions from 12.4(24) to 15.1(3). The upgrade caused no problems for all except 2 sites where Windows DHCP servers stopped being able to assign IP addresses due to IPs having already been assigned when in ...
Thanks for the reply Peter.Correct. By "flat" network, I mean that each site only has a single LAN/VLAN.The ISR is NOT configured as a DHCP Relay Agent as this was not necessary whilst it ran IOS 12.2(24), but I am currently searching docs about con...
