As you all know RIP is a distance vector routing protocol and that gives us a lot of options when doing filtering. This time we will look at a feature that is not widely known, the offset list. Assume that
Flash cards updated
I have updated the flashcards with some questions on FHRP, Syslog, EEM, ZBF and NTP. There is over 200 questions in the bank now. As usual download the file from here.
OSPF lab notes
This post is based on notes from my practicing OSPF vol1 labs. I want to have them saved for later reference but I also think that this post can help others and clear some of the confusions of OSPF. Lets
Saving time on lab tasks
This post will show how you can save time on the lab tasks. Assume you need to complete this OSPF task. Advertise the Loopback0 interfaces of R1, R2, R3 and R4 into OSPF area 0 Advertise the Loopback0 interface of
CCIE command memorizer review
This is a review of the CCIE command memorizer. Firstly, I did not pay anything for the product, David let me try it out so I could write a blogpost about it and he has a chance to respond to
Private VLANs
Private VLANs is a method to segment devices at layer 2 that are in the same IP network. Different VLANs are used but they share a common IP network. The most common scenario for a private VLAN is a residential
Filtering packets by TTL in Cisco ACL
As I make progress through the INE workbooks I’m writing posts about features that I find interesting and that might not be that known to the general public. I wasn’t aware that you could filter packets based on TTL in
Debug condition – conditional debugging
Sometimes we have a need for debugging and Cisco has a lot of options for debugging, this is one of the things why I definately prefer Cisco to HP or other network vendors. I did some vol2 labbing yesterday and
First round of vol2 started
Did my first round of vol2 tonight and man it was brutal. It’s a total different thing trying to get all protocols running together nicely than running them each separately. Also when doing entire scenarios you have to think if
MPLS added to flash cards
I’ve added some MPLS and MPLS VPN’s to the flash cards. The flash cards are covering a pretty wide base by now and I have finished the vol1 labs from INE (not all of them) and as I go through