From: Michelle T (mtruman@xxxxxxxxxxxxxxx)
Date: Wed Jan 03 2001 - 14:56:36 GMT-3
Can someone help me make sense of the "match-host" keyword in IP NAT?
Cisco's definition is listed below, and I still just don't get it.
Host Number Preservation:
For ease of network management, some sites wish to translate prefixes, not
addresses. That is, they wish the translated address to have the same host
number as the untranslated address. Of course, the two prefixes must be of
the same length. This feature can be enabled by configuring dynamic
translation as usual, but configuring the address pool to be of type
"match-host":
ip nat pool fred <start> <end> prefix-length <len> type match-host
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