Forwarding Parameters - Speedtouch IPQoS Configuration Manual

Chapter 5
Packet Classification and Labelling

5.2.3 Forwarding parameters.

Introduction
TTLoverwrite
Modify the label
parameters
Show all labels defined
40
In this section we will explain the parameters that need to be set to enable packet
forwarding throughout the entire network. This means that these values are only of
significance for outgoing fraffic.
The following parameters can be configured for routing purposes.
TTLoverwrite values
disable
enable
TTL
TTL values
1..255
The TTL value is normaly set to a high number to avoid that packets get dropped.
For IGMP packets the TTL is by default set to 1. If we want IGMP packets to get
routed to the next router the TTL value should be set to 2.
Execute the following CLI command to configure the label parameters:
{Administrator}=>: label modify name mylabel classification overwrite
defclass 14 ackclass 14 bidirectional disabled inheritance disabled
tosmarking disabled
Exectute the following CLI command to show all defined labels:
{Administrator}=>:label list
This command will return you all labels defined.
Name Class Def
DSCP overwrite dscp
Interactive increase 8
Management increase 12
Video increase 10
VoIP overwrite 14
default increase default
Description
Disables the overwriting of the IP header TTL field with
the configured TTL value.
Enables the overwriting of the IP header TTL field with
the configured TTL value
Description
The time to live in number of hops (routers) that the
packet will be forwarded.
Ack Bidirect Inherit Tosmark Type
defclass disabled disabled disabled tos
8 disabled disabled disabled tos
12 disabled disabled disabled tos
10 disabled disabled disabled tos
14 enabled enabled disabled tos
prioritize disabled disabled disabled tos
Value Ttlover Ttl Use Trace
0 disabled 0 0 disabled
0 disabled 0 0 disabled
0 disabled 0 0 disabled
0 disabled 0 0 disabled
0 disabled 0 0 disabled
0 disabled 0 0 disabled
E-NIT-CTC-20041213-0013 v0.5