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DYNAMIX HP-51M Coax MDU Master Bridge User’s Guide
15
QoS Setup
Total 4 prioritized queues are provided for Ethernet packets, denoted as Queue0 (lowest priority), Queue1, Queue2
and Queue3 (highest priority). You may assign the different packet dropping ratio and service weight for different
queue. Refer Chapter “
ADVANCED FEATURES ” for more HP-51M QoS mechanism details.
For example, according to the following setting diagram we classify TCP/UDP packet with port ‘1234’ or ‘80’
(decimal) as the highest priority packet goes to Queue3, port ‘23’ goes to Queue2 and port ‘161’ goes to Queue1.
Queue3 will not discard any packet (Drop Ratio 0%), and packets in Queue3 is transmitted 4 times faster than
packets in Queue0 according to their ‘Service Weight’. Packets in Queue0/Queue1/Queue2 will be discarded
according to their ‘Drop Ratio’ in case of any congestion.
IGMP v2 Snooping Setup
Support IGMP V2/V1 snooping only. Shut it if IGMP V3 is adopted in the network.
Tag VLAN Setup
Enable the 802.1Q Tag VLAN function and set up the values in field ‘VID’ and ‘Priority’. VID range is 1~4095
and Priority is 0~7.
Regard port HCNA as the network trunk. Once Tag VLAN is enabled, by default port LAN1 and port HCNA are set
to the same VLAN; also port LAN2 and port HCNA are within the same VLAN. Port LAN1 and port LAN2 are not
within the same VLAN if assigned with different VID.
Take the following VLAN setting diagrams for example.
First example, just enable Tag VLAN in both Master and EP ‘VLAN’ settings,