Private autonomous system (AS) numbers which range from 64512 to 65535 are used to conserve globally unique AS numbers....
Here I’m going to show a basic configuration on how to Encrypt a 10G link that has a stretched subnet....
RFC1918 name IP address range number of addresses largest CIDR block (subnet mask) host id size mask bits classful description...
Some common ones I use:...
I came across a bug in IOS 12.2(53r)SE2 and it shows up in other IOS versions, where the “Total output...
Default Distance Value Table This table lists the administrative distance default values of the protocols that Cisco supports:...
RIB vs FIB In Cisco networking, the Routing Information Base (RIB) and Forwarding Information Base (FIB) are two separate but...
When a switch stack forms a port-channel, the active stack member’s MAC Address is used for the LACP ID. The...
RIP – “sh ip rip database” OSPF – OLD > “sh ip ospf database” NEW > “sh ip ospf rib...