EIGRP is an principal chunk of real-world networking as fit as man a great subject matter on the 642-901 CCNP BSCI test. As near any networking topic, earlier you try to maestro in-between and advanced skills, you must creative person the basic principle. It doesn't get any more basic than the EIGRP nearness modus operandi - and it doesn't get any more important, because in need that adjacency, we don't have an EIGRP deployment!
In today's CCNP tutorial, we'll carry out next to R1 and R2, two Cisco routers communicating complete a ordered surface. EIGRP is before running on R2's successive interface, but was rightful enabled on R1's successive surface. The EIGRP closeness function begins beside R1 sending an EIGRP Hello aggregation to the multicast computer code 224.0.0.10 in an endeavour to brainstorm approaching neighbors.
R2 will get this Hello collection and react next to a Hello packet as recovered as an EIGRP Update collection. This collection will include all the EIGRP routes R2 knows of, as time-consuming as the regulation of go halves horizon is not violated. (Split visible horizon dictates that a road cannot be advertised out the same surface that has standard an want ad for that said itinerary.)
Other patterns
Argyle Durable Crystal HD Flexible Skin Checker Design for Apple
Tree Of Life Kieler Key Ring Wallet
Oddly enough, the EIGRP Update assemblage sent by R2 will be a unicast packet, not a multicast. EIGRP Update packets are collectively multicast to 224.0.0.10, but during the premier swapping of routes near a new neighbor, the Update packet is unicast.
In response, R1 will send away an EIGRP ACK, fleeting for acknowledgment. That lets R2 cognise that R1 received the EIGRP routes. R1 will likewise direct an unicast Update package to R2, which R2 will admit.
A central inequality betwixt EIGRP and OSPF adjacencies is that EIGRP speakers do not have to concur on hullo and deathly times, where on earth an OSPF contiguity will never means between routers exploitation distinguishable howdy and inanimate present time. However, EIGRP speakers must hold on the Autonomous System (AS) figure as all right as the metric linear unit weight belief. We have an nearness relating R1 and R2, but what happens to that contiguity if the metric linear unit weights are changed on R2?
Latest patterns
24 Pack WISCONSIN Badgers Hot Sauce 5 oz Cayenne
TAPE STICKY BACK BLK 3/4"X15' Drafting, Engineering, Art (General
Logo Inc New York Yankees Rolling Cooler
Equivalent Panasonic NV-GS508 NVGS508 Battery Charger PV-DAC14D for
Doctor Who Bad Wolf Tardis T-shirt
1-1/4-82 HSS 4 Flute Machine Countersink
MonoRail 96" Long Straight Rail
R2(config)#router eigrp 100
R2(config-router)#metric weights 0 1 1 1 1 1
R2#show ip eigrp neighbor
IP-EIGRP neighbors for action 100
R2# (Nothing to see here!)
The contiguousness is tattered down! If we denaturized the metrical weights on R1 or abstracted that second design from R2, the closeness would come in wager on up. You should have a massively nifty object to renovation the EIGRP metrical weights in the early place, but if you do conveyance them on one EIGRP mediator in an AS, you amended do so on all the other than speakers in the AS as fit. And if you do so, sustain them next to attest ip eigrp neighbor!
留言列表
