cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
166206
Views
5
Helpful
2
Replies

what is the port numbers for ICMP,TCP,UDP

praveennoc
Beginner
Beginner
2 Replies 2

Rolf Fischer
Engager
Engager

Hi,

for these protocols, the correct term is (IP) protocol number; the numbers are 1, 6 and 17.

http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml

HTH
Rolf


Sent from Cisco Technical Support Android App

Antonio Moraes
Beginner
Beginner

I agree with Rolf Fischer.

It seems questions about icmp having port numbers are recurrent.

Check out these links for mote details:

https://learningnetwork.cisco.com/thread/31935

https://learningnetwork.cisco.com/thread/39021

As for TCP and UDP por numbers, they range from 0 to 65535. You can't use port zero though. It's reserved.

Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:

Recognize Your Peers