BGP local-as no-prepend
Description of how local-as and no-prepend work with BGP on Cisco devices.
IPv6 new book and First Hop Routing Protocols
A review of a new IPv6 book and some great links to First Hop Routing Protocol discussions with IPv6.
Who doesn’t need a little PPPoE love in their day
The following post provides the configuration of PPPoE. It provides the lab requirements and a drawing. It also provides line by line configuration along with some wireshark captures.
Where, oh where has the VLAN information gone? VTP and how it impacts the VLAN Database.
In Depth discussion where the configuration is stored for each version. The configurations are sometimes stores in config and sometimes in the database.
Excellent Series on DMVPN with MPLS, IVRF’s, and FVRF’s by Khawar Butts
A discussion of IVRF’s and FVRF’s including links to Khawar Butts free youtube videos that cover this information.
VRF and Telnet or SSH
Commands to SSH and telnet over a VRF. The commands for Telnet and SSH are very different when used on a VRF.
Stub Router in OSPF
In this post I describe how to configure a Router to listen to Routing Advertisements but not pass traffic in OSPF. Essentially making it a Stub Router. The command to accomplish this is max-metric router-lsa.
CCIE Authentication RIP, EIGRP, OSPF
In depth information on how authentication is done in RIP, EIGRP, and OSPF. This includes wireshark packet captures. Great for CCIE Studies.