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How to find routing protocol on cisco 2610?

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JazzGeek

IS-IT--Management
Jun 23, 2002
165
US
Hi All

Anyone know how to find the routing protocol that is in use on my 2610 router? The show protocols command only shows "IP." Does that mean RIP?

Is RIP the default routing protocol that is in use upon plugging in a new router?

Thank you! Jazz Geek

Sebastian Jazzer
MCSE 4.0 & 2000, Network+, A+, Web Developer

 
The configuration will tell you the routing protcol configured. You have to look for the line that sasys:

router <routing protocol>...

If OSPF has been configured, then the line says:

router ospf...

By the way you can display the configuration with the command "show run". If no "router ..." line appears then you don't have any routing protocol configured.
 
Interesting. So, I'm just curious. If there is no routing protocol installed by default, how does my router(s) do their routing table updates, etc.?

Do you know why someone would come in and set up my routers without installing a routing protocol? I always thought that having for instance OSPF configured, it would be much more advantages for running the router?

Thank you for your help.

Jazz Geek

Sebastian Jazzer
MCSE 4.0 & 2000, Network+, A+, Web Developer

 
I don't know if you have a routing protocol configured, only you can find it out by looking at the configuration. If it doesn't have a routing protocol and if it works then it has static routes configured. Static routes are defined in the configuration by the lines:

ip route <remote network> <mask> <next router along the paht>

Now, as for when to use a dynamic routing protocol (like OSPF) over static routes it all depends on the network and the objectives and policies defined.
 
show ip protocols gives you the routing protocol information. show protocols gives you the routed protocol.

 
you can do a sho ip route

and then look and see how the routes were learned.. it gives you a legend

you will see C for connected networks S for static routes R for rip routes etc....

but you can do a sho run and look in the config to see what routing prtotocols are defined.

router rip
router igrp xx
router ospf xx

etc...
 
Thanks for the information. That will help a lot.

S

Sebastian Jazzer
MCSE 4.0 & 2000, Network+, A+, Web Developer

 
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