NAT on outside interface

From: gladston@br.ibm.com
Date: Fri Jul 29 2005 - 11:18:26 GMT-3


R1
s0/0 = nat inside
e0/0.100 = nat outside

If traffic is originated with source IP of s0/0, NAT does not occur.
If traffic is originated with source IP of any other interface, including interfaces that does not have 'nat inside', nat occurs.

Weird question: Is there a way to have the source IP of e0/0.100 converted?

Check:

Rack2R1#teln 150.100.1.254 /source-interface Ethernet0/0.60

.Jul 29 07:03:57: NAT: s=148.5.15.1->80.80.80.10, d=150.100.1.254 [0]
.Jul 29 07:03:57: NAT: s=150.100.1.254, d=80.80.80.10->148.5.15.1 [0]
.Jul 29 07:03:57: NAT: s=148.5.15.1->80.80.80.10, d=150.100.1.254 [1]
.Jul 29 07:03:57: NAT: s=148.5.15.1->80.80.80.10, d=150.100.1.254 [2]

teln 150.100.1.254 /source-interface Ethernet0/0.100

User Access Verification

Password:
bb1>sh tcp bri
TCB Local Address Foreign Address (state)
61B92F98 150.100.1.254.23 150.100.1.1.11025 ESTAB



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