If you delete a device from the DCR then you are going to lose any related information like config archive, syslog, etc...Was router also deleted? Were they in an alias state?

This is how you will have to configure HSRP:RTR#1: (Active router)=====interface fastethernet 0/0 ip address 192.168.1.2 255.255.255.0 standby 1 ip 192.168.1.1 <---(1) standby 1 priority 105 <---(2) standby 1 preempt <---(3)RTR#2: (Standby router)...

It is often misunderstood, but there is a difference between both values.IP MTU Is the size of the IP Packet.This can be configured with 'ip mtu xxxx' on the interface and its value checked with 'show ip interface x'. MPLS labels are also considered ...