Re: Tracking a default route

Would you mine sharing your configuration?

On Thu, Apr 12, 2012 at 9:57 AM, Joe Sanchez <marco207p_at_gmail.com> wrote:

> Ip sla should allow the tracking of a default route. I have this
> configured and working now.
>
> Regards,
> Joe Sanchez
>
> On Apr 12, 2012, at 8:20 AM, Bryan Stair <uptown.ccie_at_gmail.com> wrote:
>
> > Guys,
> >
> > I have a question surrounding tracking a default route. Scenario states
> to
> > configure MHSRP between two routers. Each group will have its active
> router
> > selected by highest priority. The both groups should track the
> availability
> > of a default route.
> >
> > Now this sounds like the setup will use track command. However, when you
> > setup the track command for reachability of default route. It always
> states
> > that the route is down?
> >
> > Is there another feature or command to do this. IP SLA doesn't allow for
> > default route?
> >
> > SW3#sh ip r
> > *Mar 1 00:13:42.479: %SYS-5-CONFIG_I: Configured from console by
> > consoleoute
> > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> > E1 - OSPF external type 1, E2 - OSPF external type 2
> > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
> level-2
> > ia - IS-IS inter area, * - candidate default, U - per-user static
> > route
> > o - ODR, P - periodic downloaded static route
> > Gateway of last resort is 21.21.128.162 to network 0.0.0.0
> > 21.0.0.0/8 is variably subnetted, 15 subnets, 3 masks
> > O 21.21.128.128/27 [110/2] via 21.21.128.163, 00:05:27, Vlan32
> > O 21.21.10.10/32 [110/2] via 21.21.128.163, 00:05:27, Vlan32
> > O 21.21.8.8/32 [110/2] via 21.21.128.162, 00:05:27, Vlan32
> > O IA 21.21.7.7/32 [110/13] via 21.21.128.162, 00:03:27, Vlan32
> > O IA 21.21.3.3/32 [110/66] via 21.21.128.123, 00:03:27, Vlan26
> > O 21.21.2.2/32 [110/2] via 21.21.128.123, 00:05:27, Vlan26
> > O IA 21.21.1.1/32 [110/14] via 21.21.128.162, 00:03:28, Vlan32
> > O IA 21.21.0.0/27 [110/3] via 21.21.128.162, 00:03:28, Vlan32
> > C 21.21.9.0/24 is directly connected, Loopback0
> > C 21.21.128.160/27 is directly connected, Vlan32
> > O IA 21.21.0.32/27 [110/13] via 21.21.128.162, 00:03:28, Vlan32
> > O 21.21.0.64/27 [110/75] via 21.21.128.123, 00:05:27, Vlan26
> > O 21.21.0.96/27 [110/75] via 21.21.128.123, 00:05:29, Vlan26
> > O 21.21.0.128/27 [110/2] via 21.21.128.162, 00:05:29, Vlan32
> > C 21.21.128.96/27 is directly connected, Vlan26
> > *O*E2 0.0.0.0/0 [110/1] via 21.21.128.162, 00:04:23, Vlan32*
> >
> > SW3#sh run | in track
> > *track 2 ip route 0.0.0.0 0.0.0.0 reachability
> > *
> >
> >
> > SW3#sh track
> > *Track 2
> > IP route 0.0.0.0 0.0.0.0 reachability
> > Reachability is Down (no route)
> > 1 change, last change 00:13:27
> > First-hop interface is unknown
> > Tracked by:
> > HSRP Vlan32 2
> > *
> >
> >
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Received on Thu Apr 12 2012 - 10:34:39 ART