Configuring Rip; Rip Process - HP ProCurve Secure Router 7203 dl Advanced Management And Configuration Manual

IP Routing—Configuring RIP, OSPF, BGP, and PBR

Configuring RIP

13-12
lowest values will be selected. Because different routing protocols have
different administrative distances, the multiple routes will generally be dis-
covered using the same dynamic protocol.
The router can share traffic over the routes based on destination, assigning
traffic destined to some hosts to one route and traffic destined to other hosts
to another route. In this case, the traffic may not be exactly balanced over the
multiple connections, but the more sessions the router supports, the more
evenly balanced the traffic will be.
The router can also share the traffic in a round-robin manner, alternating
between the routes every time it routes a new packet to the destination
network. Configuring the router to load share in this way, however, can cause
packets to arrive at the destination out of order and is not generally recom-
mended.
Configuring RIP
RIP is a well-known and commonly used distance-vector routing protocol.
Although originally developed for LANs, RIP can also be used in WANs. RIP
is simple to configure but can be slow to converge. However, the ProCurve
Secure Router implements split horizon with poison reverse and triggered
updates to solve many potential convergence problems.
Because route selection relies purely on hop count, RIP may not always
generate the best routes for WANs, which usually include links of varying
bandwidth. In such an environment, the lowest hop count is not always the
fastest or best route.

RIP Process

On the ProCurve Secure Router, RIP interfaces transmit:
all RIP routes
routes to all networks directly connected on RIP interfaces
all routes redistributed into RIP, which can include OSPF and static routes
as well as routes to networks connected through non-RIP interfaces
Each route includes a metric that specifies how many hops the advertising
interface is from the destination.