06-10-2008 11:13 PM - edited 03-03-2019 10:18 PM
i have 4 links for a same location, which is in Backbone area.
but there is no load balancing
06-10-2008 11:27 PM
Need more information on your netowrk topology
Narayan
06-10-2008 11:35 PM
i have 2 locations
Location A- 7507 router(12.1)
Location B- 3660 router (12.2)
both are in OSPF AREA 0
From location A to Location B
i have four 2MB link, all are in same cost
plz suggest me how i can use four link with proper load balancing
for more requirement plz inform me
06-11-2008 02:56 AM
ospf by default shoudl loadbalnce across 4 links if all of them are of the same metric
Can you post a sh ip ospf dataabse and sh ip route from both the routers
Narayan
06-11-2008 03:53 AM
Location A
DLI-SM3>sh ip rou
DLI-SM3>sh ip route 10.205.10.253
Routing entry for 10.205.10.0/24
Known via "ospf 1", distance 110, metric 49, type intra area
Last update from 10.205.248.1 on Serial0/1/5, 00:00:20 ago
Routing Descriptor Blocks:
10.205.49.114, from 10.220.10.254, 00:00:20 ago, via Serial4/0/3
Route metric is 49, traffic share count is 1
* 10.205.49.33, from 10.220.10.254, 00:00:20 ago, via Serial1/0/5
Route metric is 49, traffic share count is 1
10.205.248.1, from 10.220.10.254, 00:00:20 ago, via Serial0/1/5
Route metric is 49, traffic share count is 1
Location B
DDN-SES1>sh ip route 10.205.48.3
Routing entry for 10.205.48.0/24
Known via "ospf 1", distance 110, metric 49, type intra area
Last update from 10.205.49.34 on Serial4/0, 00:02:35 ago
Routing Descriptor Blocks:
10.205.49.113, from 10.220.48.254, 00:02:35 ago, via Serial4/3
Route metric is 49, traffic share count is 1
* 10.205.49.34, from 10.220.48.254, 00:02:35 ago, via Serial4/0
Route metric is 49, traffic share count is 1
10.205.248.2, from 10.220.48.254, 00:02:35 ago, via Serial4/2
Route metric is 49, traffic share count is 1
06-11-2008 03:56 AM
From the output the router is already loadbalancing across 3 links
are you concerned about the 4th link that is not showing in the above output?
if yes , then please post the ospf anf interface configurations
Narayan
06-11-2008 04:05 AM
4th link is down now
traffic is not going through every link
interface Serial4/0/3
bandwidth 2048
ip address 10.205.49.113 255.255.255.252
encapsulation ppp
load-interval 60
priority-group 1
serial restart-delay 0
!
interface Serial4/0/4
bandwidth 2048
ip address 10.205.49.117 255.255.255.252
encapsulation ppp
load-interval 60
shutdown
priority-group 1
serial restart-delay 0
interface Serial1/0/5
bandwidth 2048
ip address 10.205.49.34 255.255.255.252
encapsulation ppp
ip route-cache policy
ip route-cache flow
no ip mroute-cache
load-interval 60
priority-group 1
serial restart-delay 0
compress predictor
interface Serial0/1/5
bandwidth 2048
ip address 10.205.248.2 255.255.255.252
encapsulation ppp
ip route-cache policy
ip route-cache flow
no ip mroute-cache
load-interval 60
priority-group 1
serial restart-delay 0
compress predictor
!
ratelimit is present on 2 links
06-12-2008 03:26 AM
Is there a reason Serial4/0/4 is shut down?
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide