Got it  Thanks for the responses


On Tue, May 31, 2011 at 12:02 AM, Abel, Marc <[email protected]> wrote:

> Aaron,
>
> I think the reason you aren't seeing two routes in the routing table is
> that the route through .6 doesn't meet the feasible successor check. The
> variance check requires that the secondary route pass the feasible
> successor check. You can see that the route through .5 has a feasible
> distance of 1797120 while the advertised distance to .6 is 1820160. In
> order for it to be considered a successor, it's advertised distance must
> be lower than the other routers feasible distance. In this case 1820160
> is not lower than 1797120.
>
> This is to prevent loops. For all your router knows, that route on .6
> might be through the router .5.
>
>
> Hope this helps,
>
> Marc
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Aaron Moreck
> Sent: Monday, May 30, 2011 9:39 PM
> To: [email protected]
> Subject: [OSL | CCIE_RS] EIGRP Wierdness
>
> I have been having issues lately with EIGRP and i am suspicious that it
> is
> IOS bug related.  The other issue i had lately is that auto summary was
> not
> working as i expected it to.
>
> For my sanity can you see if anything jumps out with this config and
> show
> commands.
>
> Topology is from Vol 2 Lab 10 Task 5.3.  Where we are asked to configure
> so
> that R7 load-balances between R5 and R6  when accessing networks on the
> opposite side of R5 and R6
>
> Configuration on R7
>
> router eigrp 5678
>  variance 2
>  passive-interface default
>  no passive-interface FastEthernet0/0
>  no passive-interface Serial0/0
>  network 192.168.11.5 0.0.0.0
>  network 192.168.100.7 0.0.0.0
>  network 200.0.0.7 0.0.0.0
>  maximum-paths 2
>  no auto-summary
> R7#sh ip route
> D EX    200.0.0.9 [170/1797120] via 192.168.100.5, 00:17:57,
> FastEthernet0/0
> D EX    200.0.0.2 [170/1797120] via 192.168.100.5, 00:17:57,
> FastEthernet0/0
> D EX    200.0.0.4 [170/1797120] via 192.168.100.5, 00:17:57,
> FastEthernet0/0
> D EX    200.0.0.5 [170/1797120] via 192.168.100.5, 00:17:59,
> FastEthernet0/0
> D EX    200.0.0.6 [170/1797120] via 192.168.100.5, 00:17:59,
> FastEthernet0/0
>
>
> R7#sh ip eigrp topology 200.0.0.4 255.255.255.255
> IP-EIGRP (AS 5678): Topology entry for 200.0.0.4/32
>  State is Passive, Query origin flag is 1, 1 Successor(s), FD is
> 1797120
>  Routing Descriptor Blocks:
>  192.168.100.5 (FastEthernet0/0), from 192.168.100.5, Send flag is 0x0
>      Composite metric is (1797120/1794560), Route is External
>      Vector metric:
>        Minimum bandwidth is 1536 Kbit
>        Total delay is 5100 microseconds
>        Reliability is 255/255
>        Load is 1/255
>        Minimum MTU is 1500
>        Hop count is 1
>      External data:
>        Originating router is 200.0.0.5
>        AS number of route is 1
>        External protocol is OSPF, external metric is 66
>        Administrator tag is 110 (0x0000006E)
>  192.168.100.6 (FastEthernet0/0), from 192.168.100.6, Send flag is 0x0
>      Composite metric is (1822720/1820160), Route is External
>      Vector metric:
>        Minimum bandwidth is 1536 Kbit
>        Total delay is 6100 microseconds
>        Reliability is 255/255
>        Load is 1/255
>        Minimum MTU is 1500
>        Hop count is 1
>      External data:
>        Originating router is 200.0.0.6
>        AS number of route is 1
>        External protocol is OSPF, external metric is 66
>        Administrator tag is 110 (0x0000006E)
>  _______________________________________________
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