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I am trying to understand some things about Rip V1 and V2 but i am not sure if i am right,

As i know Rip V1 doesn't "advertise" subnet masks, and doesn't support VLSM. If i understand right Even if Rip V1 for example supports VLSM it doesn't matter, Becouse the Rip V1 Only "advertise" the IP address, If some one can please confirm/expand/correct me I will be very thankful, Thank you all and have a nice day.

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2 Answers 2

up vote 4 down vote accepted

RIPv1 is a classfull routing protocol and it do not send the subnet mask when it sends updates. and when a router running RIPv1 receives an update it reacts by one of the following actions:

  • If the router has a directly connected interface belonging to the same major network, it will apply the same subnet mask as that interface.
  • If the router does not have any interfaces belonging to the same major network, it will apply the classful subnet mask to the route.
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Hey BluesRhythm and thank you for your answer, Please take a look at this link:informit.com/library/… –  Aviel Fadida Dec 7 '12 at 15:56
    
hey @uBlankText thanks for the link i ran back to one of my old books to refresh my memory and edited the answer to be accurate –  BluesRhythm Dec 7 '12 at 16:49
    
Anytime BluesRhythm, Thank you for your help, and have a nice day. –  Aviel Fadida Dec 7 '12 at 18:07

You're correct in your understanding. RIPv1 supports only classfull routing. RIPv2 supports VLSM.

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