Command Reference Guide

3Com Router 5000 Family and Router 6000 Family nat agl ● 215
Command Reference
nat agl
Purpose Use the nat alg command to enable the application gateway function of NAT.
Use the undo nat alg command to disable the application gateway function of
NAT.
Syntax nat alg { dns | ftp | h323 | ils | nbt | pptp | sip }
undo nat alg { dns | ftp | h323 | ils | nbt | pptp | sip }
Parameters dns
Supports DNS.
ftp
Supports FTP.
h323
Supports H.323.
ils
Supports Internet locator service (ILS).
nbt
Supports NetBIOS over TCP/IP.
ppt
: Supports point to point tunneling protocol.
sip
Supports session initiation protocol.
Default By default, the application gateway function of NAT is enabled.
Example Enable the application gateway function of NAT, allowing it to support FTP.
[Router] nat alg ftp
View This command can be used in the following views:
■ System view