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Rip v2 advertisement

Posted on 2014-02-19
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Last Modified: 2014-03-06
I have several routers and only one of them has RIP v2 enable on it. Will it send advertisement out of its interfaces? If yes, isn't that traffic a waste of bandwidth? Thanks
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Question by:leblanc
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9 Comments
 
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Henk van Achterberg earned 500 total points
ID: 39872537
If RIPv2 is stateless/not neighbor aware, so when enabled it will advertise it routes. If there is no need for RIPv2 you should disable this. Also for security.
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by:marek1712
marek1712 earned 1000 total points
ID: 39873025
Yes, it will send advertisements periodically (default: every 30s). v2 sends multicasts, not broadcasts.
If only one router sends update it doesn't make any sense. Besides - it should be used as a learning routing protocol, not production one (convergence time, reaction to changes, etc). Either use newer routing protocol or don't use it at all.
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by:Infamus
ID: 39873149
It's not being used so you should just remove it as mentioned above.
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LVL 1

Author Comment

by:leblanc
ID: 39873968
I just discovered that 2 of the routers are running RIPv2. But when I did the sh ip ro, I don't see RIP routes. I only see EIGRP which is running for all routers.
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by:Infamus
Infamus earned 500 total points
ID: 39873991
EIGRP over takes RIP
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LVL 11

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by:marek1712
marek1712 earned 1000 total points
ID: 39874186
"EIGRP over takes RIP" - provided you have Cisco equipment.
RIP routes are not installed because because it has higher administrative distance (120 vs 90).
Just disable it.
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Expert Comment

by:Infamus
ID: 39874197
@marek

I only see EIGRP which is running for all routers.
EIGRP is only available on Cisco equipment.
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Expert Comment

by:marek1712
ID: 39874295
@Infamus - now read my previous comment once more ;)
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Expert Comment

by:Infamus
ID: 39874313
LOL, sorry I misread your statement.
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