Juniper Route Selection Process (BGP)

I’ve had to look this up more than a few times, so I figured I’d throw it here for anyone else looking. Yes, I know it’s all over the Internet, but one more place doesn’t hurt does it? And remember, the LOCAL PREFERENCE value is the only value where HIGHER is better. Route Preference (BEFORE BGP Path … Continue Reading

Route Distinguishers (auto vs. manual)

Automatic Route-Distinguishers vs. Manual Route-Distinguishers Every MPLS VRF needs a unique route distinguisher.  This is needed for BGP to tell the difference between two of the same prefixes on two different VPNs.  You wouldn’t want the route-selection process to perform a route-selection between the two because they’re in separate routing domains. Both JUNOS and IOS-XR … Continue Reading

Wow…. Am I Psychic? #bgp #Juniper

So, only 18 days after I posted “What’s wrong with the Internet”, the Internet had another hiccup (read more here) and millions of users couldn’t surf/browse the Internet. No, it wasn’t hacked, but at this point does it really matter? It’s like I’m psychic… Or maybe there REALLY IS SOMETHING WRONG like I’ve been saying. … Continue Reading

What’s wrong with the Internet?

If you’re a network engineer then you probably know where this is going and have heard this before.  If not, read on and learn about the insides of the Internet! A lot of people describe the Internet as “a bunch of connected computers”.  Let’s go with that definition. The word “connected” in that definition is … Continue Reading