Service Manual

state. If both ends get into a keepalive down state that does not clear in a few seconds, then performing
shutdown - no shutdown sequence on one end should bring both ends back to up.
tunnel-mode
Enable a tunnel interface.
.
Syntax
tunnel mode {ipip | ipv6 | ipv6ip}[decapsulate-any]
To disable an active tunnel interface, use the no tunnel mode command.
Parameters
ipip Enable tunnel in RFC 2003 mode and encapsulate IPv4 and/or IPv6 datagrams
inside an IPv4 tunnel.
ipv6 Enable tunnel in RFC 2473 mode and encapsulate IPv4 and/or IPv6 datagrams
inside an IPv6 tunnel.
ipv6ip Enable tunnel in RFC 4213 mode and encapsulate IPv6 datagrams inside an IPv4
tunnel.
decapsulate-any (Optional) Enable tunnel in multipoint receive-only mode.
Defaults There is no default tunnel mode.
Command Modes INTERFACE TUNNEL
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.4(0.0) Added the decapsulate-any command.
9.3(0.1) Introduced on the S6000 and Z9000.
Usage
Information
To enable a tunnel interface, use this command. You must define a tunnel mode for the tunnel to function.
If you previously defined the tunnel destination or source address, the tunnel mode must be compatible.
Including the decapsulate-any option causes the command to fail if any of the following tunnel transmit
options are configured: tunnel destination, tunnel dscp, tunnel flow-label, tunnel hop-limit, or tunnel
keepalive. Conversely, if you configure any tunnel allow-remote entries, the tunnel—mode command
fails unless the decapsulate-any option is included.
Configuration of IPv6 commands over decapsulate-any tunnel causes an error.
tunnel source
Set a source address for the tunnel.
Syntax
tunnel source {ip-address | ipv6–address | interface-type-number |
anylocal}
To delete the current tunnel source address, use the no tunnel source command.
1446 Tunneling