OSPF Design Considerations
Introduction Open Shortest Path First (OSPF) is a link state protocol that has been around for a long time. It […]
CCDP, OSPF
OSPF
Frame relay, OSPF
OSPF – Non Broadcast and Point to Multipoint
Introduction There was a discussion on a forum about the point to multipoint network type in OSPF. What is the
BGP, MPLS, OSPF
Some pointers on OSPF as PE to CE protocol
There was a discussion at the Cisco Learning Network (CLN) about OSPF as PE to CE protocol. I wanted to
BGP
Default routes in BGP
I have seen in forums and in other places that some find that the default route in BGP is a
OSPF
Why OSPF FA is only set on broadcast networks
A friend of mine asked me about the OSPF forwarding address. The question was why must the network type be
OSPF, Routing
Tiebreakers with routes from different OSPF processes
This post is inspired by a discussion at Twitter with Ivan Pepelnjak and Nicolas Michel. Nicolas asked what happens when
CCIE, OSPF
ASBR in NSSA – Choosing what IP to use as forwarding address
OSPF is one of the protocols where the details are very important. It has lots of bits and pieces to
Announcement, CCIE
INE 10 day bootcamp – Review
I’m back from London and it’s been a great experience. Many readers are interested in what the bootcamp is like.
CCIE, EIGRP, OSPF
Route redistribution – Route-maps and tagging
Earlier I have done some posts on route redistribution and on route filtering in different protocols. I wanted to expand
CCIE, OSPF
OSPF – Use of forwarding address
In OSPF and other routing protocols we have something called forwarding address. This can be used to route traffic in