User Guide
Page 466
... (TPID, two bytes in length), whose value is defined in length). In this section, two common hardware queue scheduling algorithms Strict Priority (SP) queuing and Weighted Round Robin (WRR) queuing are introduced. 2-6 Figure 2-5 802.1Q tag header Byte 1 Byte 2 Byte 3 Byte 4 TPID (Tag protocol identifier) TCI (Tag control information) 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Priority CFI...
... (TPID, two bytes in length), whose value is defined in length). In this section, two common hardware queue scheduling algorithms Strict Priority (SP) queuing and Weighted Round Robin (WRR) queuing are introduced. 2-6 Figure 2-5 802.1Q tag header Byte 1 Byte 2 Byte 3 Byte 4 TPID (Tag protocol identifier) TCI (Tag control information) 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Priority CFI...
User Guide
Page 468
... (represented by WRR. When the token bucket is assured of at a set the weight values of tokens. Another advantage of a physical interface specifies the maximum rate for WRR queuing A typical switch provides eight output queues per port. Line rate can assign the output queues to be served for group 2. The line rate...
... (represented by WRR. When the token bucket is assured of at a set the weight values of tokens. Another advantage of a physical interface specifies the maximum rate for WRR queuing A typical switch provides eight output queues per port. Line rate can assign the output queues to be served for group 2. The line rate...
User Guide
Page 470
... predefined parameters (including the 802.1p precedence, DSCP values, IP precedence, and local precedence). z Trust port priority: the device assigns a priority to indicate its scheduling weight or forwarding priority. Figure 2-10 shows the process of the receiving port. Priority Mapping Concepts When a packet enters a network, it is marked with the highest...
... predefined parameters (including the 802.1p precedence, DSCP values, IP precedence, and local precedence). z Trust port priority: the device assigns a priority to indicate its scheduling weight or forwarding priority. Figure 2-10 shows the process of the receiving port. Priority Mapping Concepts When a packet enters a network, it is marked with the highest...
User Guide
Page 483
... 1. Specify the group the current queue is user configurable and 4 to be configured. The following groups are available: z Enable: Enables WRR on selected ports. Set a weight for selection: z SP: Assigns a queue to . Please select port(s) Click to select ports to WRR group 2. z Not Set: Restores the default queuing algorithm on ... queue scheduling on selected ports. Table 2-19 describes the configuration items of configuring queue scheduling on a port Item Description WRR Queue WRR Setup Group Weight Enable or disable the WRR queue scheduling mechanism on a port.
... 1. Specify the group the current queue is user configurable and 4 to be configured. The following groups are available: z Enable: Enables WRR on selected ports. Set a weight for selection: z SP: Assigns a queue to . Please select port(s) Click to select ports to WRR group 2. z Not Set: Restores the default queuing algorithm on ... queue scheduling on selected ports. Table 2-19 describes the configuration items of configuring queue scheduling on a port Item Description WRR Queue WRR Setup Group Weight Enable or disable the WRR queue scheduling mechanism on a port.
Data Sheet
Page 3
...Weighted Round Robin queuing Traffic prioritization at Layer 2 using 802.1p QoS, and at Layer 3 using Type of Service (TOS) with SNMP management tools like 3Com Network Supervisor and 3Com Network Director* CLI via console Management communications are encrypted via HTTPS POWER OVER ETHERNET (Switch 2924-PWR Plus... ORDERING INFORMATION PRODUCT DESCRIPTION 3Com Baseline Switch 2916-SFP Plus 3Com Baseline Switch 2924-SFP Plus 3Com Baseline Switch 2924-PWR Plus 3Com Baseline Switch 2948-SFP Plus Transceivers 3Com 1000BASE-SX SFP 3Com 1000BASE-LX SFP 3COM SKU 3CBLSG16 3CBLSG24 3CBLSG24PWR ...
...Weighted Round Robin queuing Traffic prioritization at Layer 2 using 802.1p QoS, and at Layer 3 using Type of Service (TOS) with SNMP management tools like 3Com Network Supervisor and 3Com Network Director* CLI via console Management communications are encrypted via HTTPS POWER OVER ETHERNET (Switch 2924-PWR Plus... ORDERING INFORMATION PRODUCT DESCRIPTION 3Com Baseline Switch 2916-SFP Plus 3Com Baseline Switch 2924-SFP Plus 3Com Baseline Switch 2924-PWR Plus 3Com Baseline Switch 2948-SFP Plus Transceivers 3Com 1000BASE-SX SFP 3Com 1000BASE-LX SFP 3COM SKU 3CBLSG16 3CBLSG24 3CBLSG24PWR ...