From: John (jgarrison1@austin.rr.com)
Date: Sat Jul 05 2008 - 11:21:21 ART
Look at the FD for the first route then look at the oh brain lock the number
after the FD for the second route. Whats the rule in chosing a succesor,
and don't you have to be considered a successor to get load balancing to
work in eigrp?
----- Original Message -----
From: "Shahnawaz Khot" <shahnawaz4ccie@gmail.com>
To: "Cisco certification" <ccielab@groupstudy.com>
Sent: Saturday, July 05, 2008 7:34 AM
Subject: EIGRP load balancing with variance.
> Hi ,
>
>
> In our IE practice labs we have following EIGRP topology information on
> router R4 for the EIGRP external route 222.22.2.0
>
> R4#show ip eigrp topology 222.22.2.0
> IP-EIGRP (AS 1024): Topology entry for 222.22.2.0/24
> State is Passive, Query origin flag is 1, 1 Successor(s), FD is
> 2560001280
> Routing Descriptor Blocks:
> 174.1.45.5 (FastEthernet0/1), from 174.1.45.5, Send flag is 0x0
> Composite metric is (2560001280/2560000256), Route is External
> Vector metric:
> Minimum bandwidth is 1 Kbit
> Total delay is 50 microseconds
> Reliability is 1/255
> Load is 1/255
> Minimum MTU is 1
> Hop count is 1
> External data:
> Originating router is 150.1.5.5
> AS number of route is 0
> External protocol is RIP, external metric is 7
> Administrator tag is 0 (0x00000000)
> 174.1.145.1 (Serial0/0/0), from 174.1.145.1, Send flag is 0x0
> Composite metric is (2560516352/2560512256), Route is External
> Vector metric:
> Minimum bandwidth is 1 Kbit
> Total delay is 20170 microseconds
> Reliability is 1/255
> Load is 1/255
> Minimum MTU is 1
> Hop count is 2
> External data:
> Originating router is 150.1.5.5
> AS number of route is 0
> External protocol is RIP, external metric is 7
> Administrator tag is 0 (0x00000000)
>
>
>
>
> Where on both paths composite metric has difference less then 2. If we
> configure variance 2 under router eigrp we think these routes should be
> load
> balanced on both links but its not happening. Please suggest if we have
> any
> wrong understanding with this and why its not happening as per the eigrp
> variance theory.
>
> Many thanks.
>
> Best Regards,
> Shahnawaz
>
>
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