Cisco proprietary Uses IP protocol 88 as transport Support for MD5 authentication (no clear text) Sends updates to 224.0.0.10 Distance vector but has some link state like features Timers Uses a hello and a hold timer. Neighbors discovered via hello
OSPF – Open Shortest Path First (notes)
Defined in RFC 2328 Supports VLSM and CIDR Is a link state protocol Uses a link state database (LSDB) for topology information, identical within area Reliable flooding of LSAs Uses hello protocol to build adjacencies Runs directly over IP,
BGP
Doing some studying of BGP at the moment. Reading the certification guide and Halabis book. I already did certify BGP back when going for the CCIP but later decided to go straight for the IE so I have a pretty
100 hours reached
So I hit a milestone this week, I’ve done about 100 hours of study so far which means I’m at perhaps 10% of the time needed to get the IE. Work has been really busy but trying to get a
Notes on RIP
RIP is not as common these days as it used to be but it can still have its uses in small networks. It is also still tested in the CCIE lab. Here are some notes I have written down. RIP
Update – computer crashed and frame-relay
A week ago I had to send my laptop to service because it was behaving very badly. Also been really busy at work, implementing a new customer. I have done some studying, frame-relay is the topic right now. Although I
September – disappointing amount of study
I’m far from pleased with the study result for September. I was on vacation in the beginning on the month and then work has been crazy lately since we’ve replaced our entire LAN. This wednesday I worked 18 hours straight
Native VLAN – why you should change it
The native VLAN (assuming 802.1Q) is a VLAN that is sent untagged by default. The default for Cisco switches is that all ports are in VLAN 1 and if trunking is used VLAN 1 will be sent untagged. VLAN 1
Spanning tree
Been really busy lately with a big migration at work so studying is though but have been studying some spanning tree. I have used the IEEE 802.1D-1998 and 802.1D-2004 documents for 802.1D and 802.1W but these documents are almost too
CCNA scholarship
Steve over at networking-forum is hosting a CCNA scolarship. The person who gets picked for it will get free books from Cisco Press and also the exam paid for. The requirements to get selected is to write an essay why