Scaling the Network with NAT and PAT 261
1 DNS = Domain Name System
2 ICMP = Internet Control Message Protocol
3 PPTP = Point-to-Point Tunneling Protocol
Table 7-3 lists commands you can use to clear the entries before they time out.
dns-timeout Speci?¬?es the timeout value for connections to the DNS1. The default is
60 seconds.
tcp-timeout Speci?¬?es the timeout value for the TCP port. The default is 86,400
seconds (24 hours).
?¬?nrst-timeout Speci?¬?es the timeout value for the Finish and Reset TCP packets, which
terminate a connection. The default is 60 seconds.
icmp-timeout Speci?¬?es the timeout value for ICMP2 ?¬‚ows. The default is 60 seconds.
pptp-timeout Speci?¬?es the timeout value for NAT PPTP3 ?¬‚ows. The default is 86,400
seconds (24 hours).
syn-timeout Speci?¬?es the timeout value for TCP ?¬‚ows immediately after a
synchronous transmission message that consists of digital signals that
are sent with precise clocking. The default is 60 seconds.
port-timeout Speci?¬?es that the timeout value applies to the TCP/UDP port.
seconds Number of seconds after which the speci?¬?ed port translation times out.
The default is 0.
never Speci?¬?es that the port translation never times out.
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