Administrator Guide

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Version Description

9.10(0.1) Introduced on the S6010-ON and S4048T-ON.

9.10(0.0) Introduced on the S3148.

9.10(0.0) Introduced on the S6100–ON.

9.8(2.0) Introduced on the S3100 series.

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) Introduced on the S4810, S4820T, S6000 and Z9000.

Usage Information

Enabling tunnel keepalive causes ICMP echo packets to be sent to the keepalive target. The ICMP echo will be

sourced from the tunnel interface logical IPv4 or IPv6 address and will be tunnel encapsulated. The response will

be accepted whether it returns tunnel encapsulated or not.

When configuring tunnel keepalive at both end points of a tunnel interface it is recommended to set the tunnel

keepalive target to the logical IPv4 or IPv6 address of the far end tunnel peer, rather than to the tunnel

destination. This reduces the chance of both ends of the tunnel staying in keepalive down 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 EMC

Networking OS Command Line Reference Guide.