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Static NAT overloaded??? 27 Jul 2011 | 05:24 pm
So we have already looked at all 3 possible NAT configurations, however there is one more trick that is always useful to know. How to overload a Static NAT. Let’s assume the following for this exampl...
Configuring PAT on Cisco Routers (NAT Overload) 21 Jul 2011 | 02:06 am
PAT (Port Address Translation) is by far the most common implementation of NAT, and if you have an ADSL router at home there is a 100% chance you are using it. PAT or otherwise known as NAT overload,...
Configuring Dynamic NAT on Cisco Routers 15 Jul 2011 | 04:00 pm
In my last post Configuring Static NAT on Cisco Routers we saw how you can translate 1 IP address into another single IP address. This tutorial will cover how to translate many IP addresses into many ...
Configuring Static NAT on Cisco Routers 7 Jul 2011 | 09:00 pm
In my previous post on NAT, I explained the difference between the 3 different types of NAT that can be configured. In this tutorial I’m going to cover the configuration steps to configure static NAT....
NAT (Network Address Translation) 21 Sep 2009 | 11:31 pm
NAT or Network Address Translation is a key function required in every organisations network. Since all organisation use RFC 1918 IP addressing, and these IP addresses are not allowed to exist on the...
Creating Layer 2 and Layer 3 Ether Channels 29 Aug 2009 | 03:00 am
In order to bundle multiple interfaces between switches in an effort in increase throughput, a Ether Channel can be created. Ether Channels can be created as Layer 2 or Layer3. The obvious difference...
ISDN and Multilink with load-threshold 28 Aug 2009 | 02:46 am
ISDN is a fantastic option as a backup in cases where your primary link has failed. However often your primary line has much more bandwidth than a single ISDN line (Channel). The ISDN BRI B-Channels r...
Floating Static Routes 27 Aug 2009 | 07:09 am
In order to have a fully fault tolerant network, a backup solution for WAN links is vital. There are many options for configuring a backup line incase the primary line fails and in this tutorial we ar...
Configuring Basic ISDN with Interesting Traffic 26 Aug 2009 | 02:10 am
When configuring ISDN with interesting traffic, it’s important to first understand how Cisco defines ‘interesting’ and what this means in terms of the connection been formed. Interesting traffic is tr...
ISDN Switch-type 25 Aug 2009 | 02:55 am
In order for any ISDN lines to establish Layer-1 connectivity the switch-type has to be defined correctly. The switch-type is very much country dependant so it’s also important to memorize the switch...
