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• sctp: Specifies SCTP.
• tcp: Specifies TCP.
• udp: Specifies UDP.
• udp-lite: Specifies UDP-Lite.
acl [ ipv6 ] acl-number: Specifies the number of an ACL, in the range of 2000 to 2999. To specify an IPv6
ACL, include the ipv6 keyword. To specify an IPv4 ACL, do not include the ipv6 keyword.
Usage guidelines
If you do not specify a transport layer protocol, all packets encapsulated by the transport layer protocols
and that have the specified port are recognized as the specified application protocol's packets.
If the destination port of these packets matches a port mapping for packets matching the specified ACL,
APR recognizes them as the specified application protocol's packets.
If two port mappings are configured with the same port number, transport layer protocol, and ACL, but
with different application protocols, the most recent configuration takes effect.
A mapping with the transport layer protocol specified has a higher priority than one without it.
Examples
# Create a port mapping of port 3456 to FTP for the packets matching the ACL 2000.
<Sysname> system-view
[Sysname] port-mapping application ftp port 3456 acl 2000
Related commands
display port-mapping user-defined
port-mapping host
Use port-mapping host to configure an IP address-based host-port mapping.
Use undo port-mapping host to remove an IP address-based host-port mapping.
Syntax
port-mapping application application-name port port-number [ protocol protocol-name ] host { ip | ipv6 }
start-ip-address [ end-ip-address ] [ vpn-instance vpn-instance-name ]
undo port-mapping application application-name port port-number [ protocol protocol-name ] host { ip
| ipv6 } start-ip-address [ end-ip-address ] [ vpn-instance vpn-instance-name ]
Default
An application protocol is mapped to a well-known port.
Views
System view
Predefined user roles
network-admin
Parameters
application application-name: Specifies an application protocol by its name, a case-insensitive string of
1 to 63 characters. Valid characters include digits, letters, hyphens (-), and underlines (_).
port port-number: Specifies a port by its number, in the range of 0 to 65535.
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