day 6 Flashcards
Enhanced interior gateway routing protocol (EIGRP)
- considered a hybrid protocol
- uses up to 5 metrics: bandwidth, delay (both are default), reliability, load, and MTU)
- classless protocol that permits VLSM and summarization
- can load balance over unequal-cost
- uses the Diffusing update algorithm
more on EIGRP
routers from an adjacency when two or more routers running EIGRP in the same AS are connected to one another on a common subnet
EIGRP uses RTP to communicate between EIGRP-speaking routers
neighbor table
contains a record of directly connected routers
topology table
stores routes learned from neighbor routing tables and only routes learned via EIGRP
routes are marked passive or active
passive
indicates that EIGRP has determined the best path for a specific destination
Active
indicates EIGRP is still trying to calculate the best route
protocol dependent modules
the method in which EIGRP supports IPv4 and IPv6 protocols
more on EIGRP
when configuring EIGRP, an ASN must be supplied.
IP multicast address used is 224.0.0.10
show ip eigrp neighbors
identifies routers associated within the same EIGRP autonomous system
show ip eigrp topology
used to view the EIGRP topology table
Border gateway protocol
an exterior gateway protocol used to connect different AS’s
show ip bgp neighbors
used to show detailed information about connected BGP neighbors
route redistribution
advertising a protocol so that a network can use different routing protocols over the same internetwork
seed metric
if one of the 5 EIGRP metrics aren’t defined, the 2 default metrics are used, called the seed metric.
