RE: eigrp equal cost load balance

From: Sheikh Rahman (Sheikh.Rahman@uk.didata.com)
Date: Wed Jun 22 2005 - 20:38:11 GMT-3


Hi Brian,

Please find below requested info

Thanks for your help

Sw config

Native_6k>sh ip eigrp ne
IP-EIGRP neighbors for process 8
H Address Interface Hold Uptime SRTT RTO Q
Seq
                                            (sec) (ms) Cnt
Num
2 10.10.10.1 Vl2 14 00:07:27 52 312
0 127
1 10.10.10.2 Vl2 14 04:25:57 4 200
0 122

Native_6k>sh ip eigrp topology
IP-EIGRP Topology Table for AS(8)/ID(10.10.10.7)

Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status

P 20.20.1.1/32, 1 successors, FD is 2170112, tag is 31
         via 10.10.10.2 (2170112/2169856), Vlan2

P 20.20.20.0/29, 1 successors, FD is 2170112
         via 10.10.10.1 (2170112/2169856), Vlan2
         via 10.10.10.2 (2170112/2169856), Vlan2

Native_6k>sh ip route

D 20.20.20.0/29 [90/2170112] via 10.10.10.2, 00:13:10, Vlan2
D EX 20.20.1.1/32 [170/2170112] via 10.10.10.2, 00:12:51, Vlan2

Native_6k>sh ip eigrp topology 20.20.1.1 255.255.255.255
IP-EIGRP topology entry for 20.20.1.1/32
  State is Passive, Query origin flag is 1, 1 Successor(s), FD is
2170112
  Routing Descriptor Blocks:
  10.10.10.1 (Vlan2), from 10.10.10.1, Send flag is 0x0
      Composite metric is (2170112/2169856), Route is External
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 20010 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1
      External data:
        Originating router is 10.10.10.2
        AS number of route is 8
        External protocol is OSPF, external metric is 65
        Administrator tag is 31 (0x0000001F)
Native_6k>

Native_6k>sh ip eigrp topology 20.20.20.0 255.255.255.248
IP-EIGRP topology entry for 20.20.20.0/29
  State is Passive, Query origin flag is 1, 1 Successor(s), FD is
2170112
  Routing Descriptor Blocks:
  10.10.10.2 (Vlan2), from 10.10.10.2, Send flag is 0x0
      Composite metric is (2170112/2169856), Route is Internal
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 20010 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1
  10.10.10.1 (Vlan2), from 10.10.10.1, Send flag is 0x0
      Composite metric is (2170112/2169856), Route is External
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 20010 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1
      External data:
        Originating router is 10.10.10.1
        AS number of route is 8
        External protocol is OSPF, external metric is 0
        Administrator tag is 31 (0x0000001F)
Native_6k>

 

-----Original Message-----
From: Brian McGahan [mailto:bmcgahan@internetworkexpert.com]
Sent: 23 June 2005 00:12
To: Sheikh Rahman; ccielab@groupstudy.com
Subject: RE: eigrp equal cost load balance

Sheikh,

        Post the output of 'show ip eigrp neighbor', 'show ip eigrp
topology', 'show ip eigrp topology a.b.c.d w.x.y.z' where a.b.c.d is the
prefix and w.x.y.z is the mask, and 'show ip route'.

Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com

Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
24/7 Support: http://forum.internetworkexpert.com
Live Chat: http://www.internetworkexpert.com/chat/

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Sheikh Rahman
> Sent: Wednesday, June 22, 2005 2:43 PM
> To: ccielab@groupstudy.com
> Subject: eigrp equal cost load balance
>
> Hi Group,
>
> I am having issue with the equal path load balance through eigrp
> follwoing is my diagram
>
> Sw ---- R1
> ---- R2
>
> I have 2 router connectes to a switch vlan10. I have assign an ip add
to
> vlan 10 (1.1.1.10) R1 address .1 and r2 address .2 there is a link
> between r1 and r2 netw for that link is 20.20.20.0 What I am tring to
> achive is sw should load balance 20.20.20.0
network.
> But in the sh ip eigrp topology I just see this network learned from
R2
> if I turn off r2 int then it learns from R1 but it's not load
balancing.
> Is there any issue with eigrp if it learns route from multiple
neighbor
> through one interface?
>
> Thanks is advance
>
> sheikh
>
>
> Sheikh Rahman
> Support Desk Engineer
> Dimension Data
> Dimension Data House
> Building 2 , Waterfront Business Park
> Fleet Road, Fleet
> Hampshire GU51 3QT
> +44 (0)12 5277 9330 Office
> +44 (0)12 5277 9010 Fax
> Dimension Data Home Page <http://www.didata.com>
>
>
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