White Papers

Table Of Contents
Version Description
9.5(0.1) Introduced on the Z9500.
9.3(0.0) Introduced on the S6000, S4810, S4820T, Z9000.
Usage
Information
A value of 0 copies the inner packet hop limit (ipv6) or time-to-live (ipv4) in the encapsulated packet to
the tunnel header hop limit (ipv6) or time-to-live (ipv4) value.
tunnel keepalive
Configure the tunnel keepalive target, interval and attempts.
Syntax
tunnel keepalive {ip-address | ipv6-address}[interval {seconds}] [attempts
{count | unlimited}]
To disable the tunnel keepalive probes use the no tunnel keepalive command.
Parameters
ip-address ipv6
address
Enter the IPv4 or IPv6 address of the peer to which the keepalive probes
will be sent.
interval seconds
Enter the keyword interval then the interval time, in seconds, after which the
restart process to keepalive probe packets.
The range is from 5 to 255. The default is 5.
count
(OPTIONAL) Enter the keyword count to count packets processed by the filter.
The range is from 3 to 10. The default is 3.
unlimited
Enter the keyword unlimited to specify the unlimited number of keepalive probe
packets.
Defaults Tunnel keepalive is disabled.
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.
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 S6100ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100ON.
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.
1528 Tunneling