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iConnect625W ADSL/ADSL2+ Router User Guide
121
8.16
Egress
For packets going out of the router, the markings (CoS) need to be translated to the
mappings understood by the network domains. The reverse CoS and domain mapping is
configured using Egress.
There are 3 Egress modes:
±
No Egress
±
Layer 2 - not supported for this version.
±
Layer 3
8.16.1
No Egress
To access
No
Egress
, follow the step below.
Step 1
:
From the
Advanced
tab, click the
Egress
link provided. The following page
appears:
The No Egress mode is the default setting for all interfaces. In this mode, the
domain mappings of the packets are untouched.
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8.16.2
Egress Layer 3
The Egress Layer 3 page enables you to map CoS to ToS so that the priority marking of
outgoing packets can be carried over to the IP network.
To configure Egress Layer 3, follow the steps below.
Step 1
:
From the
Advanced
tab, click the
Egress
link provided. The following page
appears:
Step 2
:
Select the interface from the
Connection
drop-down list to configure QoS for
outgoing traffic to the IP network.
Step 3
:
Highlight the
Layer 3
radio option. The following page appears:
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Step 4
:
Select the CoS value for all unclassified outgoing packets on Layer 3 from the
Default Non-IP
drop-down list. The options are between CoS1 to CoS6 and
are in descending order of priority. The default value is CoS1 (recommended).
Some locally generated packets may not have been classified and therefore do
not have a CoS value, such as ARP packets.
Step 5:
Select the CoS from the
Class of Service
drop-down list. The options are in
descending order of priority.
Step 6
:
Enter the ToS value into the
Translated ToS
field. The type of service takes
value from
1
to
255
.
Step 7:
Click the
Apply
button to apply the settings.
Step 8:
To save your configuration, please refer to the section under
Save / Restart
Menu
.
8.16.3
Resetting Egress Mode
Step 1:
If you are making changes from
Layer 3
modes to
No Egress
mode, click the
Reset
button as shown below.
Step 2
:
Refer to the
Save / Restart Menu
section to save your configuration.
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8.17
Shaper
Three Shaper algorithms are supported:
±
HTB Queue Discipline
±
Low Latency Queue Discipline
±
PRIOWRR
8.17.1
HTB Queue Discipline
To enable
HTB Queue Discipline
, follow the steps below.
Step 1
:
From the
Advanced
tab, click the
Shaper
link provided. The following page
appears:
Step 2
:
Select the interface from the
Interface
drop-down list.
Step 3
:
Check the
HTB Queue Discipline
checkbox to enable this feature. In the
example below, the
MyConnection
has a total of 300 kbits of bandwidth, of
which 100 kbits is given to CoS1 and another 100 kbits is given to CoS2. When
there is no CoS1 or CoS2 packets, CoS6 packets have the whole 300 kbits of
bandwidth.
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Step 4:
Click the
Apply
button to apply the settings.
Step 5:
To save your configuration, please refer to the section under
Save / Restart
Menu
.
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