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OSPF

Hi Friends..

Just for my information: I am forgetting the port on which OSPF works, I think it works on some UDP port, but I am not able to recall it. Can someone pls help me remind this..

Thanks!!

Arun

2 ACCEPTED SOLUTIONS

Accepted Solutions
Hall of Fame Super Blue

Re: OSPF

arun.patro wrote:

Hi Friends..

Just for my information: I am forgetting the port on which OSPF works, I think it works on some UDP port, but I am not able to recall it. Can someone pls help me remind this..

Thanks!!

Arun

Arun

OSPF is a protocol at the IP layer so it's not TCP or UDP. It is protocol number 89.

Jon

Hall of Fame Super Silver

Re: OSPF

Hello Arun,

OSPF does not use UDP but IP protocol 89

in an extended ACL you can use a line like permit  ospf any any just to make an example

Hope to help

Giuseppe

2 REPLIES
Hall of Fame Super Blue

Re: OSPF

arun.patro wrote:

Hi Friends..

Just for my information: I am forgetting the port on which OSPF works, I think it works on some UDP port, but I am not able to recall it. Can someone pls help me remind this..

Thanks!!

Arun

Arun

OSPF is a protocol at the IP layer so it's not TCP or UDP. It is protocol number 89.

Jon

Hall of Fame Super Silver

Re: OSPF

Hello Arun,

OSPF does not use UDP but IP protocol 89

in an extended ACL you can use a line like permit  ospf any any just to make an example

Hope to help

Giuseppe

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