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Page 101 / 131 Scroll up to view Page 96 - 100
6381-A4 Router Users Guide
101
Ingress Interface
This field is applicable for policy routing configuration only (see Policy Database)
Destination Interface
This field is applicable for policy routing configuration only (see Policy Database)
DiffServ Code Point
This field is applicable for policy routing configuration only (see Policy Database)
Class of Service
The selections are (in the order of priority): CoS1, CoS2, CoS3, CoS4, CoS5,
CoS6, and N/A.
Source IP
The IP address of the traffic source.
Mask
The source IP netmask. This field is required if the source IP has been entered.
Destination IP
The IP address of the traffic destination.
Mask
The netmask of the destination. This field is required if the destination IP has been
entered.
Protocol
The selections are TCP, UDP, ICMP, Specify, and none. If you choose Specify,
you need to enter the protocol number in the box next to the Protocol field.
This field cannot be configured alone, additional fields like
IP
and/or
Source MAC
should be configured.
This field is also required if the source port or destination port has been entered.
Source Port Start
The starting port of the source protocol. You cannot configure this field without
entering the protocol first.
Source Port End
The ending port of the source protocol. You cannot configure this field without
entering the protocol first.
Destination Port Start
The starting port of the destination protocol. You cannot configure this field
without entering the protocol first.
Destination Port End
The ending port of the destination protocol. You cannot configure this field without
entering the protocol first.
Source MAC
The MAC address of the traffic source.
Local Routing Mark
This field is applicable for policy routing configuration only (see Policy Database)
To configure QoS to give PC1 traffic over PC2 traffic
In our example there are two PCs in LAN group 1. You use PC 1 (192.168.1.5) to download
movies and PC 2 (192.168.1.10) to surf the internet.
1.
In the
Ingress
field, select
N/A
(not applicable).
The field is applicable for policy routing only.
2.
In the
Destination Interface
field, select
N/A
.
Page 102 / 131
6381-A4 Router Users Guide
102
The field is applicable for policy routing only.
3.
In the
Class of Service
field, leave the default
CoS1
.
4.
In the
Destination IP
field, enter
192.168.1.5
.
5.
In the
Destination IP Mask
field, enter
255.255.255.255
.
6.
In the
Protocol
field, leave the default selection,
TCP
.
7.
Click
Apply
to temporarily activate the settings on the page.
The rule is generated at the bottom of the page.
8.
To make the change permanent, click
Tools
and select
System Commands
. On the
System Commands
page, click
Save All
.
Page 103 / 131
6381-A4 Router Users Guide
103
Egress
Egress denotes the direction of a frame exiting an interface. For outgoing packets the CoS
marking needs to be translated to mapping understood by the network domains.
No Egress
The default
Egress
page setting. Domain mappings of the packets are not altered
Layer2
Enables you to map an outgoing packet to user priority bits which are honoured by
the VLAN bridged network. Only supported on WAN interfaces.
Layer3
Enables you to map CoS to ToS bits so priority marking of outgoing packets work
properly on IP networks.
To configure QoS on egress:
1.
From the navigation bar at the top of the screen click
Advanced
2.
From the left hand navigation pane select
Egress
.
3.
On the
Egress
page, select the interface from the
Interface
drop down.
4.
Select the appropriate
No Egress
,
Layer2
, or
Layer3
radio button.
5.
Click
Apply
The Apply button will temporarily save this connection. To make the change permanent, click
Tools
(at the top of the page) and select
System Commands
. On the
System Commands
page, click
Save All
.
No Egress Mode
The default Egress page setting for all interfaces is
No Egress
. In this mode, the domain
mappings of the packets are untouched.
Page 104 / 131
6381-A4 Router Users Guide
104
Egress Layer 2 Configuration
The Egress Layer 2 feature enables you to map the CoS of an outgoing packet to user priority
bits, which is honored by the VLAN network. This feature is available on the WAN interface only.
Interface
Select the WAN/LAN interface here to configure the QoS for outgoing traffic to
the IP network.
Default Non-IP
Locally generated packets (such as ARP packets) do not have a CoS marking.
You can define the CoS for all unclassified outgoing packets on layer 3 using
this field. The selections are (in the order of descending priority): CoS1, CoS2,
CoS3, CoS4, CoS5, and CoS6. The default value is CoS1 (recommended).
Translated ToS
The Type of Service field takes values from 1 to 255. The selections are 0, 1, 2,
3, 4, 5, 6, 7.
Class of Service
The selections are (in the order of descending priority): CoS1, CoS2, CoS3,
CoS4, CoS5, and CoS6.
Page 105 / 131
6381-A4 Router Users Guide
105
WLAN QoS Support
The WLAN QoS is supported; however, it is hard-coded and is not configurable on the Ingress
and Egress pages.
User Priority
Class of Service
WME Priority
DSCP Map
0 (Best-Effort)
CoS5
0
0 (0x0)
1 (Background)
CoS6
1
8 (0x20)
2 (Background)
CoS6
2
16 (0x40)
3 (Best-Effort)
CoS5
3
24 (0x60)
4 (Video)
CoS2
4
32 (0x80)
5 (Video)
CoS2
5
40 (0xA0)
6 (Voice)
CoS1
6
48 (0xC0)
7 (Voice)
CoS1
7
56 (0xE0)
There is no shaper support on WLAN interface.
Shaper
The shaper provides a way of determining priorities of different traffic classes. Three shaper
algorithms are supported: HTB (hierarchical token bucket), Low Latency Queue Discipline, and
PRIOWRR (priority based round robin).
HTB
Shapes the traffic of a class over the specific interface. All CoSx (where x= 1 to 6) is
assigned a specific rate that data will be shaped to meet; for example, if CoS1 is
100Kbps even 300Kbps of data is received on the interface only 100Kbps will be
sent. Of the
Max Rate
entered rates for each CoS channel may be configured. If
Max Rate is 300Kbps,
Cos1
is configured for 100Kbps,
CoS2
and
CoS3
are
configured for 150Kbps each and CoS6 for 300Kbps. CoS6 can use the whole
300Kbps of bandwidth only when there are no CoS1, CoS2, or CoS3 packets.
Low Latency
CoS1 is not rate limited, so the
CoS1
field is disable when
Low Latency Queue
Discipline
is checked. CoS1 takes priority (much as if CoS1 was set to
Max Rate
) If

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