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Source and Destination Port

Rajendran N
Level 1
Level 1

Hi, Please clarify my queries on the port assignment in WAN Connection

I am having a host A and Host B and trying to access Host C on same Port(Let us say port 20)...

Will This Happen

Please clarify my query

4 Replies 4

Julio Carvajal
VIP Alumni
VIP Alumni

Hello Rajendran.

Happy new year,

Yes, you can access different host on the same port, but you will nedd to mapped to a different port on the wan IP address.

Lets say you have 2 web servers that will receive traffic on port 80, and you only have one available IP(1.1.1.1)

How would you do it?

With port forwarding

static (inside,outside) tcp 1.1.1.1 80 192.168.11.2 80

static (inside,outside) tcp 1.1.1.1 81 192.168.11.3 80

So all traffic to port 80 and 81 on the wan ip address will be redirected to the web servers on the right port

Do rate helpful posts

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC

Thanks for reply

Thanks for reply

Hello,

My pleasure, let me know if this helps you.

Regards,

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
Review Cisco Networking for a $25 gift card