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Note that:
■ If start-ipv4-address equals end-ipv4-address, only one address is available in
the address pool.
■ The execution of the undo natpt address-group command may affect some
dynamic NAT-PT mappings.
■ Currently, a NAT-PT address pool and an IPv4 NAT address pool do not share
any address.
■ When there is only one address in the NAT-PT address pool, the address is
applied to only NAPT-PT. When there is more than one address in the NAT-PT
address pool, the end IPv4 address is reserved for NAPT-PT. The number of
addresses applied to dynamic NAT-PT mapping is the number of configured
addresses minus 1.
Example # Configure a NAT-PT address pool.
<Sysname> system-view
[Sysname] natpt address-group 3 2.3.4.5 2.3.4.10
natpt aging-time
Syntax natpt aging-time { default | { dns | finrst | frag | icmp | syn | frag | tcp | udp | }
time-value }
View System view
Parameter default: Restores the default NAT-PT session timeout time.
dns: Specifies the DNS packet timeout time (in seconds), in the range of 5 to 600.
finrst: Specifies the FIN packet timeout time (in seconds), in the range of 5 to 600.
frag: Specifies the FRAG packet timeout time (in seconds), in the range of 5 to
600.
icmp: Specifies the ICMP packet timeout time (in seconds), in the range of 5 to
600.
syn: Specifies the SYN packet timeout time (in seconds), in the range of 5 to 600.
udp: Specifies the UDP packet timeout time (in seconds), in the range of 5 to 600.
tcp: Specifies the TCP packet timeout time (in seconds), in the range of 5 to
86,400.
time-value: NAT-PT session timeout time
Description Use the
natpt aging-time command to set the NAT-PT session timeout time for
different protocol packets.
By default, the timeout time for different protocol packets is as follows: