OSPF

Answered Question
Feb 2nd, 2010
User Badges:

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

Correct Answer by Giuseppe Larosa about 7 years 3 months ago

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

Correct Answer by Jon Marshall about 7 years 3 months ago

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

  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
Loading.
Correct Answer
Giuseppe Larosa Tue, 02/02/2010 - 08:23
User Badges:
  • Super Silver, 17500 points or more
  • Hall of Fame,

    Founding Member

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

Correct Answer
Jon Marshall Tue, 02/02/2010 - 08:22
User Badges:
  • Super Blue, 32500 points or more
  • Hall of Fame,

    Founding Member

  • Cisco Designated VIP,

    2017 LAN, WAN

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

Actions

This Discussion