Cisco 800 series: Difference between revisions

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= Port forwarding howto =
= Port forwarding howto =


Log in with root on 192.168.1.1
Log in with root on 172.31.255.2 (Why?)
  enable
  enable
  show config
  show config

Revision as of 21:17, 7 September 2016

NURDs Inventory
NoPicture.png
Owner Space
Status Infrastructure
Hostname nurds-rtr-01
Location machine room
Tool
Tool category

{{{Name}}}Property "Tool Name" (as page type) with input value "{{{Name}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. Property "Tool Image" (as page type) with input value "File:{{{Picture}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. {{{Picture}}} {{{InventoryOwner}}}Property "Tool Owner" (as page type) with input value "{{{InventoryOwner}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. machine room

Description

Our main router for internet access is a Cisco 800 series.

Port forwarding howto

Log in with root on 172.31.255.2 (Why?)

enable
show config

Currently forwarded ports are listed in the lines beginning with "ip nat inside source static"

config terminal

Now add a new line similar to the existing ones, for example:

ip nat inside source static tcp <internal ip> <internal port> <external ip> <external port> extendable
<enter>
<ctrl>+z
write memory

Check your result with

show config

Remove existing port forwarding rules

Copy a rule from "show config" and paste "no" in front of it.