Interior Gateway Routing Protocol (IGRP) IGRP is a distance-vector interior gateway protocol (IGP). Distance-vector routing protocols call for each router to send all or a portion of its routing table in a routing-update message at regular intervals (every 90 seconds) to each of its neighboring routers. As routing information proliferates through the network, routers can calculate distances to all nodes within the internetwork. IGRP uses a combination (vector) of metrics. Internetwork delay, bandwidth, reliability, and load are all factored into the routing decision. Network administrators can set the weighting factors for each of these metrics. IGRP uses either the administrator-set or the default weightings to automatically calculate optimal routes.
Routing Information Protocol (RIP) The Routing Information Protocol (RIP) is a distance-vector protocol that uses hop count as its metric. RIP is widely used for routing traffic in the global internet and is an interior gateway protocol (IGP), which means that it performs routing within a single autonomous system. RIP only uses hop count to determine the best route to a remote network, RIP has a maximum hop count of 15, 16 is deemed unreachable. RIP works well in small internetworks, but is inefficient for large networks. RIP is susceptible to all the problems normally associated with distance vector routing protocols. It is slow to converge and forces routers to learn network information only from neighbors. RIP version 1 uses classful routing (all devices in the network must use the same subnet mask because RIP version 1 doesn't send updates with subnet information). RIP version 2 uses classless routing and does send subnet mask information with route updates. RIP networks need the same hop count to load balance multiple links.
it is suitable for routing data on large networks.
it uses a composite metric that allows flexible route selection.
it can select multiple nonequal paths to a distination
Code for IGRP: I CCENT Ankur
OSPF is a classless link-state routing protocol. RIP version 1 and IGRP are both classful distance vector routing protocols, EIGRP is a hybrid protocol that supports classless addressing.
IGRP and RIPv1
That would be a distance-vector routing protocol. Examples (taught at Cisco Academies) include RIP, IGRP (obsolete in the new version of the curriculum), and EIGRP - but those are only for IP, and there are also distance-routing protocols for other networking protocols, for example, RIP for IPX.
Blu Ray Rip. Same as a DVD Rip but from a blu ray disc :)
It is typical for older routing protocols of the "distance vector" type, such as RIP, or IGRP, to send out their routing tables regularly to neighbors. By default, RIP does this every 30 seconds, while IGRP does it every 90 seconds.
Igrp RIP 100hops, extended to 255 hops 15 90 second updates 30 second updates Larger Networks Smaller Networks(due to 15 hop limit) Internetworking with Cisco and Microsoft Technologies Pg. 305
180, 280
Routing Information Protocol (RIP) and Interior Gateway Routing Protocol (IGRP) are two very popular Distance Vector routing protocols
Igrp,rip
EIGRP (Enhanced IGRP) has replaced IGRP. With the way EIGRP is set up as a protocol it is possible to implement a newer router that only supports EIGRP into a network that is running IGRP. Honestly network admins should be pushing for EIGRP if they are still on IGRP as for many features and advantages EIGRP has over IGRP. Directly from Cisco.com: "Enhanced IGRP provides compatibility and seamless interoperation with IGRP routers. An automatic-redistribution mechanism allows IGRP routes to be imported into Enhanced IGRP, and vice versa, so it is possible to add Enhanced IGRP gradually into an existing IGRP network." EIGRP:Enhanced Interior Gateway Routing Protocol IGRP: Interior Gateway Routing Protocol *IGRP and EIGRP are both Cisco proprietary routing protocols.
IGRP is Interior Gateway Routing Protocol, enhanced by Cisco proprietary Enhanced IGRP.
Code for IGRP: I CCENT Ankur
Distance vector routing is used when the network is simple and has no hierarchical design. Examples of distance vector routing protocols are RIP and IGRP.
- debug ip igrp events
debug ip igrp events
OSPF is a classless link-state routing protocol. RIP version 1 and IGRP are both classful distance vector routing protocols, EIGRP is a hybrid protocol that supports classless addressing.