Are you sensing a theme lately? Since we covered the basics of the main IGPs (I'm an enterprise guy, so no IS-IS comments, please.), I thought I'd try to describe the basics of advertising IPv6 routes over BGP. Yet again, we're not going to do any route manipulation or change any of...
Posts Tagged ‘ bgp ’
Tagging External Routes in EIGRP
EIGRP allows you to tag external routes. That is, any route redistributed into EIGRP can be tagged with a numeric descriptor from 0 to 4294967295. Aaron ConawayI like to lean my head to the left, hit it with the palm of my right hand, and document what knowledge falls out.More Posts - Website Download...
ROUTE Notes – Further IGP Redistribution
What's this? More IGP redistribution? Yes. Yes, it is.
ROUTE Notes – Controlling BGP
Your favorite and mine - controlling BGP! Yay! Or something.
Stubby Post – show ip protocols
Here's a quick chunk of words on the show ip protocols command.
Renesys Analysis of SuproNet Announcement Debacle
Earl Zmijewski of Renesys has an analysis of the SuproNet incident that took down a good bit of the Internet on Monday. From the blog: This single Czech provider announcing a single prefix caused a huge increase in the global rate of updates, peaking at 107,780 updates per-second. This peak occurred at 16:30:54 UTC,...
ACLs and HSRP, BGP, OSPF, VRRP, GLBP…
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 inbound; your Ethernet has an IP of 192.168.0.1. BGP : Runs on TCP/179 between the neighbors access-list 101 permit tcp any host 192.168.0.1...
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