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"QoS Capability". When the default value is set ("identical"), nothing is translated; with the val-
ues "DiffServ" or "IP Precedence", translation is performed on the basis of the table below, if
data is not entered in the field in accordance with the standard set.
In the case of IP data traffic, the IP packets that generate HG 1500 are split into five groups (for
example, the H.323 gateway). You can set which codepoint is to be used for marking the pack-
ets for four of these groups. This is configured under "Basic Settings > QoS priority classes":
Voice Payload for H.323 telephony (Voice over IP)
●
Call Signaling for connection setup in H.323
●
Data Payload, for example, for IP networking with fax or modem
●
Network Control, for example, SNMP traps
●
The remaining data traffic is marked "disabled", that is 00.
The following table shows the relationship between the various codepoints of DiffServ, IP pre-
cedence and the "User Priority" field in the Ethernet header.
Table 13-4
Codepoint Implementation
Code-
Default (can be
point
changed)
Binary
(bit field)
CS7
111000
AF 11
001010
AF 12
001100
AF 13
001110
AF 21
010010
AF 22
010100
AF 23
010110
AF 31
011010
AF 32
011100
AF 33
011110
AF 41
100010
A31003-H3590-S100-7-7620, 06/2012
HiPath 3000/5000 V9, Service documentation
IP header
DiffServ
Drop level
ToS
high
med
field
(hex)
E0
x
28
30
x
38
x
48
50
x
58
x
68
70
x
78
x
88
HiPath 3000/5000 in the LAN Network
vs.
IP Precedence
Assignment
low
Binary
(bit field)
<->
111
x
->
110
<->
110
->
110
x
->
101
<->
101
->
101
x
->
100
<->
100
->
100
x
<->
011
h3h5_in_the_lan.fm
HG 1500 Board
Ethernet
header
IEEE802.1p
(fixed)
ToS
User Priority
field
(binary, bit
(hex)
field)
E0
111
C0
110
C0
110
C0
110
A0
101
A0
101
A0
101
80
100
80
100
80
100
60
011
13-51
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