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load balancing basics and question

Hi, i would like to inquire what commands should i look for in our router to know if we have load balancing? i am not familiar with the configuration and just about to read in cisco - basic load balancing page would be appreciated

2 REPLIES

Re: load balancing basics and question

The (Sh ip route x.x.x.x) should show you if there is multiple paths for a particular destination.

HTH

Mohamed

Hall of Fame Super Silver

Re: load balancing basics and question

Hello Eduard,

generally speaking load-balancing is enabled on Cisco routers and multilayer switches but to really happen multiple static routes or dynamic routes have to be installed.

so the first step is:

sh ip route

if there are multiple equal cost paths available and used you may be interested in what link is used to foward packets of a specific flow

A useful command for this is:

show ip cef exact-route

load-balacing can be : flow based (source IP and destination IP of the packet are used to decide the outgoing path) or can be per packet.

to see what type of load-balancing is occurring you can use:

show ip interface type x/y

or show run interface type x/y

note:

Only EIGRP is able with a specific configuration to support weighted load balancing over unequal cost links

Hope to help

Giuseppe

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