Port Forwarding on a Cisco Router

Port Forwarding on a Cisco Router (In 4K Resolution)
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In this video, you'll learn how to setup a Cisco router for port forwarding (which is a form of Network Address Translation (NAT)). You'll also discover how to configure a Cisco router to obtain an IP address from an ISP via DHCP, how to configure Port Address Translation (PAT), and how to configure a Cisco router as a DHCP server.
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Kevin Wallace, CCIEx2 #7945 (Collaboration and R&S), CCSI #20061
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Port Forwarding on a Cisco Router (In 4K Resolution)
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[virtuousdemon]

I take my CCNA in exactly 1 week from today, I was struggling with NAT, this video helped me completely. Thank you

[srikrishnarr]

Few could speak the mind the way you do ...and I like the flow with which you deliver the lecture ...since you are straight to the point ...most of the lectures you could cover in less than half hour ....

[brianturney]

Very good instructions! I would add the command copy running-config startup-config at the end to show how to save this to survive a reboot of the router.

[sharpie]

Great stuff, just passed my CCNA but wanted to see how to port forward on a Cisco router, straight to the point. Now the hard task, taking routing away from Sophos UTMs and bringing in some Cisco Routers at work!

[valentinspasov]

Kevin, you helped me a lot when I was taking my CCNA in 2017. Now these are very good refreshment videos for me as some details are faiding with the time. Thank you

[ismaelhassan]

Happy to see you again Kevin Walace the best instructor and nice video Good explanation .We need to see more the real world in Networking thanks for all

[Sajithkumar]

As usual he nailed it again. I would love to see more real world scenario like this.

[KenPaula]

Great video. Straight to the point as always. Kevin is the MVP on networking.

[MrEkg]

This video just helped me. I was stumped for a few hours. I swore I had the inside nat right. I unblocked the port on the ACL but I was thinking in traditional home router sense. The outside is hidden. The ACL CCP setup is referring to the outside address. The address of the router on the cable modem or internet. For me its the cisco routers address on the cable modem router.

Well from what I can tell my issue was that since DHCP was enabled on the interface from the cable modem router to the cisco router (has reservation aka static) it didn't like me specifying a static source address for the inside nat translation. This video showed me you can just use a interface instead of a address. Bingo it instantly worked.

[benlyons]

Thank you first time viewer. Great video and insight into cli with Cisco.

[Lykos-im]

Thanks, so many concepts in one very understandable video!

[robfilms]

Great video !
Question:
Why can’t we SSH directly to the SSH SERVER ?

[HeroicHorizon]

Awesome video Mr. Wallace! My question is how would you go about the configuration if you wanted the outside connection (i.e. a third party on the internet) to connect to the inside server, but avoid using a well-known port number?

[atlasnetwork]

It's very clear, and it helped me understand a lot. Unfortunately it didn't work for me, and i can't work out why. I'm trying to forward port 80, for some reason it's just not forwarding, and i can't work out why. It put it on port 8080 and port 83 too to see if there was some port conflict somehow, but no dice.

I'm routing it through to dialer0 which is an adsl output. It did however pick up the address correctly. Let me watch your video again, see what i've missed.

[carolinapirate]

Don't Cisco routers listen on port 22 for all listening interfaces if SSH is set up? Wouldn't that cause problems for an SSH port forward on the same port?

[mattz]

Good Stuff, but what If you wanted to ssh to the edge router?

[sitoeedson]

How did you configure ssh to pass through router on 22 port, on my router I'm getting this message " port 22 is being used by system"

[NateFitzgerald]

Important info and well explained nice work Kevin !

[jason-qx]

how do I access the external address/port from inside my network? for example using an fqdn pointing to the external address from the lan doesn't work

[zorlac]

Amazing and straight to the point, I just subscribed! Thank You