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.
MPLS VPNV4 with and Without BGP IPv4 Default Unicast Routing
This post will provide wireshark outputs of a MPLS network configured both with and without Unicast BGP default enabled.
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.