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CCNP BSCI Notes – Scalable EIGRP
Thursday, November 19th, 2009Configuring EIGRP
Enabling EIGRP:
Tags: BSCI Notes, EIGRP
CCNP BSCI(642-901) Quick Learning
Thursday, October 22nd, 2009The following Quick Learning Modules are focused on a specific lesson or topic from the current BSCI curriculum.
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Introducing the OSPF Protocol
Upon completing this lesson, you should be able to:
Tags: 642-901, [...]
CCNA 640-802 Bible – Configure,Verify and Troubleshoot EIGRP
Thursday, August 27th, 20091. Which statements are true about EIGRP successor routes? (Choose two.)
A:A successor route is used by EIGRP to forward traffic to a destination.
B:Successor routes are saved in the topology table to be used if the primary route fails.
C:Successor routes are flagged as "active" in the routing table.
D:A successor route may be backed up by a [...]
EIGRP – Things to Remember
Tuesday, August 4th, 20091. The IP header of an EIGRP packet specifies protocol number 88.
2. To establish neighbor relationship, the neighbors must be in the same IP subnet. While EIGRP supports secondary IP addresses and subnets, EIGRP sources its messages always from the address in the primary subnet, so the IP addresses of neighbors must be in the [...]
The summarization of EIGRP – BSCI
Friday, June 12th, 2009The characteristics of EIGRP follow:
§ Hybrid routing protocol (distance vector that has link-state protocol characteristics).
§ Use DUAL, first proposed by E. W. Dijkstra and C. S. Scholten, to perform distributed shortest-path routing while maintaining freedom from loops at every instant. Although many researchers have contributed to the development of DUAL, the most prominent work is [...]
R&S Quick Notes – IGP’s
Friday, June 12th, 2009RIP
Know your filters: Offset-list, Distribute-lists, distance command.
With filters read carefully: “between 25 & 45″ or “from 25 to 45″.
Know your prefix-lists or alternatively using ACL’s instead.
“passive interface” command, ONLY stops the sending of updates out the interface. Interface will still receive and process those updates. Passive interfaces will still be advertised in [...]
EIGRP Stub Routers
Monday, June 8th, 2009Enhanced Interior Gateway Routing Protocol (EIGRP), Cisco’s proprietary yet hugely successful and widely deployed routing protocol, is known to behave disappointingly in inadequately designed networks. Cisco has improved EIGRP’s behavior dramatically with the introduction of stub routers in Cisco IOS release 12.0(7)T (integrated in IOS release 12.1, thus being available for a number of years). [...]
Enhanced Interior Gateway Routing Protocol
Thursday, April 23rd, 2009Enhanced Interior Gateway Routing Protocol – (EIGRP) is a Cisco proprietary routing protocol loosely based on their original IGRP. EIGRP is an advanced distance-vector routing protocol, with optimizations to minimize both the routing instability incurred after topology changes, as well as the use of bandwidth and processing power in the router. Routers that support EIGRP [...]