Users Guide

Table Of Contents
Version Description
9.3(0.0) Introduced on the S6000, S4810, S4820T, Z9000.
Usage
Information
This command configures the method used to set the high 6 bits (the differentiated services codepoint)
of the IPv4 TOS or the IPv6 traffic class in the outer IP header.
A value of 0 copies original packet DSCP (IPv4)/Traffic Class (IPv6) to the tunnel header DSCP (IPv4)/
Traffic Class (IPv6) depending on the mode of tunnel.
tunnel flow-label
Configure the method to set the IPv6 flow label value in the outer tunnel header.
Syntax
tunnel flow-label value
To return to the default value of 0, use the no tunnel flow-label value command.
Parameters
value
Enter a value to set the IPv6 flow label value in the tunnel header. The range is
from 0 to 1048575. The default value is 0.
Defaults 0 (Mapped original packet flow-label value to tunnel header flow-label value)
Command Modes INTERFACE TUNNEL (conf-if-tu)
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 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.
9.3(0.0) Introduced on the S6000, S4810, S4820T, Z9000.
Usage
Information
This command is only valid for tunnel interfaces with an IPv6 outer header.
tunnel hop-limit
Configure the method to set the IPv4 time-to-live or the IPv6 hop limit value in the outer tunnel header.
Syntax
tunnel hop-limit value
To restore the default tunnel hop-limit, use the no tunnel hop-limit command.
Parameters
value
Enter the hop limit (ipv6) or time-to-live (ipv4) value to include in the tunnel
header. The range is from 0 to 255. The default is 64.
Defaults 64 (Time-to-live for IPv4 outer tunnel header or hop limit for IPv6 outer tunnel header)
Command Modes INTERFACE TUNNEL (conf-if-tu)
Tunneling 1411