Technical Tip: How to perform SNAT for a specific subnet

Network Diagram:

Configure a NAT rule on the Internal VLAN:

Configure Permit rules for both Internal and External VLANs:

Verify Permit and NAT rules information with 'show sbr'.

IP Filter Rules:

IPv4 Rules:

7: pass on interface wm0 hits: 483 bytes: 22375
                From         To
                 any           ->           10.128.0.0/24
8: pass on interface wm0 hits: 2752 bytes: 246636
                From         To
                 any         ->         192.168.146.0/23
13: pass on interface wm2 hits: 484 bytes: 11322
                From         To
       10.128.0.0/24                ->                any

IP NAT Rules:
List of active MAP/Redirect filters:
map wm0 10.128.0.0/24 -> 192.168.146.179/32 proxy port ftp ftp/tcp
map wm0 10.128.0.0/24 -> 192.168.146.179/32 portmap tcp/udp auto
map wm0 10.128.0.0/24 -> 192.168.146.179/32