O'Reilly logo

Cisco IOS in a Nutshell, 2nd Edition by James Boney

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

ip nat translation — global

Synopsis

ip nat translation [max-entries number] {timeout | udp-timeout | dns-timeout |
tcp-timeout | finrst-timeout | icmp-timeout | pptp-timeout | syn-timeout |
port-timeout} seconds
no ip nat translation [max-entries number] {timeout | udp-timeout | dns-timeout |
tcp-timeout | finrst-timeout | icmp-timeout | pptp-timeout | syn-timeout |
port-timeout} seconds

Configures

None

Default

See description

Description

This command specifies different timeouts for NAT translations.

max-entries number

Optional. Specifies the maximum number of NAT entries. Default is unlimited.

timeout seconds

The timeout on all translations except overloads. Default is 86,400 seconds.

udp-timeout seconds

The timeout on UDP port translations. Default is 300 seconds.

dns-timeout seconds

The timeout on DNS (Domain Name Service). Default is 60 seconds.

tcp-timeout seconds

The timeout on TCP ports. Default is 86400 seconds.

finrst-timeout seconds

The timeout on Finish and Reset TCP packets. Default is 60 seconds.

icmp-timeout seconds

The timeout for ICMP flows. Default is 60 seconds.

pptp-timeout seconds

The timeout for NAT Point-to-Point Protocol flows. Default is 86,400 seconds.

syn-timeout seconds

The timeout for TCP flows immediately after a SYN (synchronous transmission) message. The default is 60 seconds.

port-timeout seconds

The timeout that applies to TCP/UDP ports. The default is 0 (never).

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required