1.1.d EtherChannel

I’m going to focus on two specific use tasks with EtherChannel. Two trunk ports on a switch connecting to two ports on a router, which will be configured as sub-interfaces. Enable TrustSec on those ports. This will come into play when we get to the Border/Control Plane node on SDA and we want to connectContinue reading “1.1.d EtherChannel”

1.1.c VLAN technologies

Some of these topics are pretty basic, so there’s not much to say about them that hasn’t been said a million times. So I’m only going to call the sections out if there’s something I want to explicitly remember, or if there’s some obscure configuration that could pop up in the lab. 1.1.c i AccessContinue reading “1.1.c VLAN technologies”

1.1.b Layer 2 protocols

1.1.b i CDP, LLDP This should be another slam-dunk topic. CDP is pretty straightforward. It has to be running globally and on individual interfaces. conf t cdp run inter gig 1/0/1 cdp enable One more thing worth mentioning is that you can customize your TLV (type-length-value) lists that are sent with CDP. An example mightContinue reading “1.1.b Layer 2 protocols”

1.1.a Switch Administration

This topic is pretty straightforward, so I’m trying to think of ways they can over-complicate it on the exam, maybe with some obscure setting you would never, ever configure in a production environment. 1.1.a i Managing MAC address table The best I can come up with is modifying the aging time on the mac addressContinue reading “1.1.a Switch Administration”

1.1.e Spanning Tree Protocol

I’m getting beat up pretty bad by SD-WAN, so I’m taking a break to bang out some easy stuff off the blueprint. I want to give myself a false sense of progress. The topology is super simple: 1.1.e i PVST+, Rapid PVST+, MST Super-quick summary on the versions:PVST+: 30-50 seconds before a port transitions toContinue reading “1.1.e Spanning Tree Protocol”