BGP Time-Based Policy Routing
Sometimes people need to conditionally advertise routes into BGP table based on time of day. Say, we may want to adversite IGP prefix 150.1.1.0/24 with community 1:100 during daytime and with community...
View ArticleClik here to view.
The Inside and Outside of NAT
Quite many people don’t pay attention to the difference in handling packets on interfaces configured for NAT inside and outside. Here is an example to demonstrate how NAT “domains” interact with...
View ArticleUsing RTP Loopback for VoIP/PSTN Call Testing
A voice lab rack usually utilizes dedicated piece of hardware to simulate PSTN switch. Commonly, you can find a Cisco router in this role, with a number of E1/T1 cards set to emulate ISDN network side....
View ArticleClik here to view.
Time-Based Redistribution… Ahhh, the horror of it all…
The leading question: “Is it possible (and if so, how) to redistribute or originate a default route based on time of day?” The short answer is “Sure, why not?”… But the longer answer has to do with...
View Article
