Ospf

ROUTE Notes - OSPF Neighbor Relationships

2010-06-18 ·4 min read

Feel free to correct. Study Questions What are the definitions of the hello and dead intervals? The hello intervals is how often a router sends hello messages. The dead interval is how long to wait …

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Stubby Post - show ip protocols

2010-06-10 ·3 min read

I’ve seen and used the command before, but I’ve never really seen any use of the show ip protocols command until tonight while reading up for my ROUTE test. There’s a lot of good …

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ROUTE - Redistribution Nuance #2 - OSPF External Metric Types

2010-06-06 ·4 min read

Last time, we talked about a nifty little lab I set up for redistribution and how the OSPF ASBRs acted a little differently than I expected. This time, let’s look at how changing external OSPF …

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ACLs and HSRP, BGP, OSPF, VRRP, GLBP...

2008-06-12 ·2 min read

Here’s a handy list of ACL entries to allow your devices to speak routing protocols, availability protocols, and some other stuff. We’ll assume you have ACL 101 applied to your Ethernet …

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