[Xorp-users] Question on OSPF priority.

[Atanu Ghosh]

Hi,

The priority is used to bias the selection of the designated router. I
think that it is the interface-cost that you should be changing to bias
the routing.

    Atanu.

>>>>> "Ben" == Ben Greear <greearb at candelatech.com> writes:

    Ben> Suppose I have 3 routers: A, B, C
    Ben> They are connected with links: A==B, B==C

    Ben> I also have them each connected to a switch, so that A can talk directly
    Ben> over that switch to B and C.

    Ben> I want the switch link to not be used unless A cannot get to C through B.

    Ben> I tried setting priority, but it seems OSPF always uses the switch
    Ben> interfaces.  The manual isn't clear whether a larger priority value
    Ben> is better or worse, but I tried making rddVR48 (the switch interface
    Ben> to have 11 as well as 200, and each time rddVR44 was effectively
    Ben> ignored.)

    Ben> Any ideas?

    Ben> Thanks,
    Ben> Ben


    Ben> protocols {
    Ben> ospf4 {
    Ben> router-id: 10.0.0.2
    Ben> area 0.0.0.0 {
    Ben> interface rddVR44 {
    Ben> vif rddVR44 {
    Ben> address 10.4.0.1 {
    Ben> priority: 128
    Ben> }
    Ben> }
    Ben> }

    Ben> interface rddVR48 {
    Ben> vif rddVR48 {
    Ben> address 10.5.0.3 {
    Ben> priority: 11
    Ben> }
    Ben> }
    Ben> }
    Ben> ...



    Ben> -- 
    Ben> Ben Greear <greearb at candelatech.com>
    Ben> Candela Technologies Inc  http://www.candelatech.com

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