Quick Reference Guide

Template Last Updated - 7/01/2005 Tunnel 475
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DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
Default Configuration
10 seconds.
Command Mode
Global Configuration mode.
User Guidelines
• This command determines the interval of Router Solicitation messages when there is no active ISATAP
router. When there is an active ISATAP router, the robustness level that is set by the
tunnel isatap
robustness
global configuration command determines the refresh rate.
Example
The following example configures the interval between ISATAP router solicitations messages to 60 seconds.
tunnel isatap robustness
The tunnel isatap robustness Global Configuration mode command configures the number of DNS
Query/Router Solicitation refresh messages that the device sends. Use the no form of this command to
return to default.
Syntax
• tunnel isatap robustness number
• no tunnel isatap robustness
• number — Specify the number of refresh messages. (Range: 1 – 20)
Default Configuration
3 times.
Command Mode
Global Configuration mode.
User Guidelines
• The DNS query interval (after the IP address of the ISATAP router is known) is the TTL that is received
from the DNS divided by (Robustness + 1).
• The router solicitation interval (when there is an active ISATAP router) is the minimum-router-lifetime
that is received from the ISATAP router divided by (Robustness + 1).
Console (config)# tunnel isatap solicitation-interval 60