Quick Reference Guide

Template Last Updated - 7/01/2005 Tunnel 473
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DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
Example
The following example configures a global string "Dell_Tunnel_Router" to represent a specific automatic
tunnel router domain name..
tunnel source
The tunnel source Interface Tunnel Configuration mode command sets the local (source) tunnel interface
IPv4 address. Use the no form to delete the tunnel local address.
Syntax
• tunnel source { auto | ip-address ipv4-address | interface }
• no tunnel source
• auto — The system minimum IPv4 address is used as the source address for packets sent on the
tunnel interface. If the IPv4 address is changed then the local address of the tunnel interface is also
changed.
•
ip4-address — Pv4 address to use as the source address for packets sent on the tunnel interface. The
tunnel interface local address is not changed when the IPv4 address is moved to another interface.
•
interface — Interface which the minimum IPv4 address is used as the source address for packets sent
on the tunnel interface. If the minimum IPv4 address is removed from the interface or moved to
another interface then the next minimum IPv4 address is chosen as the local IPv4 address. The
parameter has the following format:
ethernet interface-number | vlan vlan-id | port-channel number.
Default Configuration
No source address is defined.
Command Mode
Interface Tunnel Configuration mode.
User Guidelines
• The configured source IPv4 address is used for forming the tunnel interface identifier. The interface
identifier is set to the 8 least significant bytes of the SIP field of the encapsulated IPv6 tunneled packets.
Example
The following example sets the local (source) tunnel interface IPv4 address.
Console (config)# interface tunnel 1
Console (config-tunnel)# tunnel isatap router Dell_Tunnel_Router
Console (config)# interface tunnel 1
Console (config-tunnel)# tunnel source auto