The TCL ping script
So I’ve been doing a lot of CCIE study labbing lately and it’s become rather apparent that the only way to verify IPv4 unicast connectivity is to use TCL scripts… Read more »
Tag: CCIE
BGP Route Reflectors
One of the main points to remember about iBGP relationships is that iBGP assumes that all of the routers within a single AS are fully meshed. That is, each router… Read more »
eBGP Multihop vs TTL-Security
It’s a well known fact that eBGP peers need to be (by default) directly connected. That is, the BGP packets generated by a BGP speaker have a TTL of one. … Read more »
CCIE Written – Observations
So I obviously won’t talk about the questions that were on the exam, but I will talk a little bit about the exam as a whole. First, I’d like to… Read more »
Spanning Tree Protection review
This topic seems to be coming up on the practice tests pretty frequently so it’s probably worth a quick review. There are 4 types of spanning tree protection mechanisms that… Read more »
RIP – The all in one post
There are a few versions of RIP out there… RIPv1 – The original standard RIPv2 – The original standard with a few additions that include…-Support for classless routing-Authentication-Next hop address… Read more »