From: Nicolas Vanderheyden (vanderheyden.nicolas@gmail.com)
Date: Sat Mar 03 2007 - 16:04:49 ART
Hello people from the list,
I'm trying to do load-balancing with EIGRP by modifying the variance but the
end router doesn't seem to enter both routes into its routing table.
LAB is as follow:
R5 ------ R6
\ /
\ /
\ /
R7
Both R5 and R6 are redistributing routes learned via OSPF (running above R5
and R6) into EIGRP.
####
#R5#
####
router eigrp 1
redistribute ospf 1 metric 1000 500 255 1 1500
####
#R6#
####
router eigrp 1
redistribute ospf 1 metric 1000 100 255 1 1500
####
#R7#
####
router eigrp 1
variance 6 <--- a variance of 2 should have been enough but I tried higher
values even the max 128 but without success
network 192.168.11.4 0.0.0.3
network 192.168.100.0
network 200.0.0.7 0.0.0.0
no auto-summary
R7(config-router)#do sh ip protocol
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
EIGRP maximum hopcount 100
EIGRP maximum metric variance 6
Redistributing: eigrp 1
EIGRP NSF-aware route hold timer is 240s
Automatic network summarization is not in effect
Maximum path: 4
Routing for Networks:
192.168.11.4/30
192.168.100.0
200.0.0.7/32
Routing Information Sources:
Gateway Distance Last Update
192.168.100.5 90 00:22:32
192.168.100.6 90 00:22:32
192.168.11.6 90 00:23:48
Distance: internal 90 external 170
When advertised only from R5:
R7(config-router)#do sh ip route 200.0.0.4
Routing entry for 200.0.0.4/32
Known via "eigrp 1", distance 170, metric 2690560
Tag 200, type external
Redistributing via eigrp 1
Last update from 192.168.100.5 on FastEthernet0/0, 00:00:16 ago
Routing Descriptor Blocks:
* 192.168.100.5, from 192.168.100.5, 00:00:16 ago, via FastEthernet0/0
Route metric is 2690560, traffic share count is 1
Total delay is 5100 microseconds, minimum bandwidth is 1000 Kbit
Reliability 255/255, minimum MTU 1500 bytes
Loading 1/255, Hops 1
Route tag 200
When advertised from R6 and R5
Routing entry for 200.0.0.4/32
Known via "eigrp 1", distance 170, metric 2588160
Tag 200, type external
Redistributing via eigrp 1
Last update from 192.168.100.6 on FastEthernet0/0, 00:00:01 ago
Routing Descriptor Blocks:
* 192.168.100.6, from 192.168.100.6, 00:00:01 ago, via FastEthernet0/0
Route metric is 2588160, traffic share count is 1
Total delay is 1100 microseconds, minimum bandwidth is 1000 Kbit
Reliability 255/255, minimum MTU 1500 bytes
Loading 1/255, Hops 1
Route tag 200
The only way I managed to have both routes into R7 is when having the same
redistribute metrics on R5 and R6, but of course that was not the idea of
this lab. I also try to clear my neighbors a few times but I always got the
same result
I'm probably missing something but I can't figure it out. If you have any
idea that could help me, that would be great.
Nicolas
This archive was generated by hypermail 2.1.4 : Sun Apr 01 2007 - 06:35:50 ART