HP MSR Series Command Reference Manual page 223
Layer 3 ip services
command reference (v7)
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Also See for MSR Series:
- Configuration manual (889 pages) ,
- Command reference manual (684 pages) ,
- Wan access configuration manual (293 pages)
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Syntax
nat alg { all | dns | ftp | h323 | icmp-error | ils | mgcp | nbt | pptp | rsh | rtsp | sccp | sip | sqlnet
| tftp | xdmcp }
undo nat alg { all | dns | ftp | h323 | icmp-error | ils | mgcp | nbt | pptp | rsh | rtsp | sccp | sip |
sqlnet |tftp | xdmcp }
Default
NAT with ALG for all protocols is enabled.
Views
System view
Predefined user roles
network-admin
Parameters
all: Enables NAT with ALG for all supported protocols.
dns: Enables NAT with ALG for DNS.
ftp: Enables NAT with ALG for FTP.
h323: Enables NAT with ALG for H.323.
icmp-error: Enables NAT with ALG for ICMP error packets.
ils: Enables NAT with ALG for ILS.
mgcp: Enables NAT with ALG for MGCP.
nbt: Enables NAT with ALG for NBT.
pptp: Enables NAT with ALG for PPTP.
rsh: Enables NAT with ALG for RSH.
rtsp: Enables NAT with ALG for RTSP.
sccp: Enables NAT with ALG for SCCP.
sip: Enables NAT with ALG for SIP.
sqlnet: Enables NAT with ALG for SQLNET.
tftp: Enables NAT with ALG for TFTP.
xdmcp: Enables NAT with ALG for XDMCP.
Usage guidelines
NAT with ALG translates address or port information in the application layer payload to ensure
connection establishment.
For example, an FTP application includes a data connection and a control connection. The IP address
and port number for the data connection depend on the payload information of the control connection.
This requires NAT with ALG to translate the address and port information to establish data connection.
Examples
# Enable NAT with ALG for FTP.
<Sysname> system-view
[Sysname] nat alg ftp
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