
Chapter 27 - Quality of Service (QoS)
VLAN
338
Mediatrix 4104
To enable the VLAN configuration:
1.
In the
qosVlanIeee8021q
group
of the
qosMIB
, locate the
qosVlanIeee8021qTaggingEnable
variable.
2.
Set the value of this parameter to
enable
.
The VLAN configuration is enabled.
3.
Locate the following variables:
•
qosVlanIeee8021qVirtualLanID
•
qosVlanIeee8021qDefaultUserPriority
When both VLAN tagging and VLAN Substitution are enabled and their VLAN ID is the same, VLAN
Tagging has precedence over VLAN Substitution. If VLAN Substitution has the same ID as VLAN
Tagging, VLAN Substitution is not enabled and the Mediatrix 4104 behaves as such. You should
change the ID of one of the features to enable VLAN Substitution. See
for more details.
4.
Set the value of these variables.
5.
Restart the Mediatrix 4104 so that the changes may take effect.
For more information, please refer to the
MIB Reference
manual.
VLAN Substitution
The Mediatrix 4104 can tag the packets relayed from the
ETH2
(LAN) port to the
ETH1
(WAN) port with a
VLAN ID different from the standard value defined in
In this case, the packets coming from the LAN (usually a router or a PC) are tagged with a substitution VLAN
ID before sending the packets to the WAN. In the opposite direction, the Mediatrix 4104 removes the VLAN
tags and then send the packets to the LAN. The packets generated by the Mediatrix 4104 for VoIP/Signaling/
Management can also be tagged with a different VLAN ID.
This can be used to prioritize VoIP in a network.
To configure the VLAN substitution:
1.
In the
qosIeee8021qSubstitution
group
of the
qosMIB
, define the substitution IEEE 802.1Q Virtual
LAN ID in the
qosVlanIeee8021qSubstitutionVlanID
variable.
The value 1 is the default Port VID (PVID) for bridge port. The 4095 VID (0xFFF) is reserved for
implementation use and it must not be used in the tag header.
You can use a VID of 0.
As per the standard, some bridges may not support the full range of VID.
When both VLAN tagging and VLAN Substitution are enabled and their VLAN ID is the same, VLAN
Tagging has precedence over VLAN Substitution. If VLAN Substitution has the same ID as VLAN
Tagging, VLAN Substitution is not enabled and the Mediatrix 4104 behaves as such. You should
change the ID of one of the features to enable VLAN Substitution. See
for more
details.
2.
Set the substitution IEEE 802.1Q Virtual LAN default user priority in the
qosVlanIeee8021qSubstitutionUserPriority
variable.
This value applies to all protocols for which no priority filtering is enabled (e.g. ARP, ICMP).
•
7 = High priority
•
0 = Low priority
3.
Enable the VLAN substitution by setting the
qosVlanIeee8021qSubstitutionEnable
variable to
enable
.
The QoS 802.1q fields of the packets sent from the PC to the WAN are assigned the value defined
in the
qosVlanIeee8021qSubstitutionVlanID
variable.
Note:
This feature only works when the
lanStaticAddressActivation
variable is set to
vlanSubstitution
. See
“ETH2 Connector Static IP Address” on page 151
for more details.
Summary of Contents for Mediatrix 4104
Page 23: ...Installation and Web Page Configuration ...
Page 24: ...Page Left Intentionally Blank ...
Page 136: ...Chapter 5 Web Interface Telephony Miscellaneous 114 Mediatrix 4104 ...
Page 144: ...Chapter 6 Web Interface Advanced STUN Configuration 122 Mediatrix 4104 ...
Page 145: ...SNMP Configuration ...
Page 146: ...Page Left Intentionally Blank ...
Page 184: ...Chapter 8 IP Address and Network Configuration Ethernet Connection Speed 162 Mediatrix 4104 ...
Page 196: ...Chapter 10 DNS SRV Configuration DNS SRV Oriented Settings 174 Mediatrix 4104 ...
Page 226: ...Chapter 12 Configuration File Download Configuration File Example 204 Mediatrix 4104 ...
Page 242: ...Chapter 13 Software Download Emergency Software Procedure 220 Mediatrix 4104 ...
Page 268: ...Chapter 15 Voice Transmissions User Gain 246 Mediatrix 4104 ...
Page 278: ...Chapter 17 Bypass Configuration Bypass Connector Settings 256 Mediatrix 4104 ...
Page 322: ...Chapter 21 Digit Maps Digit Map Examples 300 Mediatrix 4104 ...
Page 350: ...Chapter 24 Telephony Attributes Call Rejection 328 Mediatrix 4104 ...
Page 362: ...Chapter 27 Quality of Service QoS VLAN 340 Mediatrix 4104 ...
Page 366: ...Chapter 28 Syslog Daemon Syslog Daemon Configuration 344 Mediatrix 4104 ...
Page 370: ...Chapter 29 Statistics RTP Statistics 348 Mediatrix 4104 ...
Page 385: ...Appendices ...
Page 386: ...Page Left Intentionally Blank ...
Page 400: ...Appendix B Standard Hardware Information Warranty 378 Mediatrix 4104 ...
Page 404: ...Appendix C Cabling Considerations RJ 11 Telephone Cable 382 Mediatrix 4104 ...
Page 446: ...Appendix E Glossary Wide Area Network WAN 424 Mediatrix 4104 ...