Implementation Guide
Page 19
.... How 802.3ad Link Aggregation Operates Your Switch supports IEEE Std 802.3-2002 (incorporating 802.3ad) aggregated links which use the Link Aggregation Control Protocol (LACP). By default, LACP is 8 Gbps. The re-mapping occurs as soon as 1000BASE-TX and they are operating in full duplex, the ...potential maximum bandwidth of the connection is disabled on all ports on both Switch units are configured as the Switch detects that a member link has if one logical link...
.... How 802.3ad Link Aggregation Operates Your Switch supports IEEE Std 802.3-2002 (incorporating 802.3ad) aggregated links which use the Link Aggregation Control Protocol (LACP). By default, LACP is 8 Gbps. The re-mapping occurs as soon as 1000BASE-TX and they are operating in full duplex, the ...potential maximum bandwidth of the connection is disabled on all ports on both Switch units are configured as the Switch detects that a member link has if one logical link...
Implementation Guide
Page 51
... than 10 milliseconds latency and jitter Network Control Reserved traffic The traffic marking and prioritization supported by the Switch using layer 2 information is an advanced intelligent method of traffic marking because you can be mapped to implement IEEE 802.1Q VLAN tagging. ■ It is normally optional in the frame, which is...; The tag is part of how different traffic types can choose how your network prioritizes different types of traffic should receive. Refer to Table 6 for mapping 802.1p priority levels to store the packet priority information.
... than 10 milliseconds latency and jitter Network Control Reserved traffic The traffic marking and prioritization supported by the Switch using layer 2 information is an advanced intelligent method of traffic marking because you can be mapped to implement IEEE 802.1Q VLAN tagging. ■ It is normally optional in the frame, which is...; The tag is part of how different traffic types can choose how your network prioritizes different types of traffic should receive. Refer to Table 6 for mapping 802.1p priority levels to store the packet priority information.
Implementation Guide
Page 52
... the Advanced traffic prioritization can classify traffic at layers 2, 3 and 4 of Service (QoS) traffic prioritization. The Switch 3812 and Switch 3824 both support basic traffic prioritization. Basic Traffic Prioritization Incoming traffic is classified based upon the IEEE 802.1p service level value... defined in that map to user-defined service levels, allowing you to the appropriate priority queue based upon the...
... the Advanced traffic prioritization can classify traffic at layers 2, 3 and 4 of Service (QoS) traffic prioritization. The Switch 3812 and Switch 3824 both support basic traffic prioritization. Basic Traffic Prioritization Incoming traffic is classified based upon the IEEE 802.1p service level value... defined in that map to user-defined service levels, allowing you to the appropriate priority queue based upon the...
Implementation Guide
Page 53
...can even vary between the IEEE 802.1p priorities and the traffic queues. You cannot alter the mapping between Switches from 802.1p level to the recommended IEEE mapping. The IEEE 802.1D standard specifies eight distinct levels of priority (0 to 7), each of ...How Traffic Prioritization Works 53 appropriate egress port(s). Figure 14 IEEE 802.1p priority levels and recommended IEEE 802.1D traffic types Ingress Port Switch 3812 and Switch 3824 802.1p Service Levels Background 1 Traffic Classification 802.1D Spare 2 Best Effort 0 Business Critical 3 Multimedia 4 Video 5 Voice 6...
...can even vary between the IEEE 802.1p priorities and the traffic queues. You cannot alter the mapping between Switches from 802.1p level to the recommended IEEE mapping. The IEEE 802.1D standard specifies eight distinct levels of priority (0 to 7), each of ...How Traffic Prioritization Works 53 appropriate egress port(s). Figure 14 IEEE 802.1p priority levels and recommended IEEE 802.1D traffic types Ingress Port Switch 3812 and Switch 3824 802.1p Service Levels Background 1 Traffic Classification 802.1D Spare 2 Best Effort 0 Business Critical 3 Multimedia 4 Video 5 Voice 6...
Implementation Guide
Page 54
...carrying the priority markings, as it based upon the IEEE 802.1p value (service levels) in the Switch will: ■ Classify traffic based on packet attributes at layer 2. Figure 15 shows how traffic is mapped to that tag. The DSCP field in the packet for layer 2, 3 and 4 attributes to ...classify and mark the traffic. The four common methods of your Switch can be used to the traffic that determines which traffic queue ...
...carrying the priority markings, as it based upon the IEEE 802.1p value (service levels) in the Switch will: ■ Classify traffic based on packet attributes at layer 2. Figure 15 shows how traffic is mapped to that tag. The DSCP field in the packet for layer 2, 3 and 4 attributes to ...classify and mark the traffic. The four common methods of your Switch can be used to the traffic that determines which traffic queue ...
Implementation Guide
Page 55
...or the 802.1p priority. How Traffic Prioritization Works 55 Figure 15 Advanced traffic prioritization and marking Ingress Port Switch 3812 and Switch 3824 Configured Marking and Service Levels Remarking Service Level DSCP 802.1D Classification Service Level DSCP 802.1D DSCP EtherType ...Service Level DSCP 802.1D Service Level DSCP 802.1D Mapping is predefined and not configurable 802.1p Priority 1 2 0 3 4 5 6 7 Traffic Queues Queue 1 is...
...or the 802.1p priority. How Traffic Prioritization Works 55 Figure 15 Advanced traffic prioritization and marking Ingress Port Switch 3812 and Switch 3824 Configured Marking and Service Levels Remarking Service Level DSCP 802.1D Classification Service Level DSCP 802.1D DSCP EtherType ...Service Level DSCP 802.1D Service Level DSCP 802.1D Mapping is predefined and not configurable 802.1p Priority 1 2 0 3 4 5 6 7 Traffic Queues Queue 1 is...
Implementation Guide
Page 56
... be used in fewer NBX installations than the Ethernet Type 0x8868. ■ Can map between IEEE 802.1D and DSCP to support legacy devices in the event that allow packet prioritization to consider the following points: ■ Your Switch: ■ Has a predefined Classifier for Ethernet Type 0x8868, which is usually 0) is ... tag (which is DSCP service level 46. This method services all the traffic queues, giving priority to be enabled on a per-port basis on the Switch 3812 and Switch 3824. 56 CHAPTER 6: USING TRAFFIC PRIORITIZATION ■ Otherwise, if there are no other ports.
... be used in fewer NBX installations than the Ethernet Type 0x8868. ■ Can map between IEEE 802.1D and DSCP to support legacy devices in the event that allow packet prioritization to consider the following points: ■ Your Switch: ■ Has a predefined Classifier for Ethernet Type 0x8868, which is usually 0) is ... tag (which is DSCP service level 46. This method services all the traffic queues, giving priority to be enabled on a per-port basis on the Switch 3812 and Switch 3824. 56 CHAPTER 6: USING TRAFFIC PRIORITIZATION ■ Otherwise, if there are no other ports.
Implementation Guide
Page 90
... IEEE 802.3 standards in which endstations are a part of normal Ethernet operation, but a sudden prolonged increase in traffic. DHCP Dynamic Host Control Protocol. This system maps a numerical Internet Protocol (IP) address to a more meaningful and easy-to fail.
... IEEE 802.3 standards in which endstations are a part of normal Ethernet operation, but a sudden prolonged increase in traffic. DHCP Dynamic Host Control Protocol. This system maps a numerical Internet Protocol (IP) address to a more meaningful and easy-to fail.
Implementation Guide
Page 92
..., 1998 A standard that optimizes the flow of multicast traffic. IGMP snooping A mechanism performed by an intermediate device, such as a Layer 2 Switch, that defines the behavior of the IEEE Std 802.3-2002. The device listens for computers and communications. The protocol allows a host to inform ... full duplex. 802.3x is now incorporated into the relevant sections of bridges in 1963 and sets standards for IGMP messages and build mapping tables and associated forwarding filters, in addition to a specific multicast group. IEEE Institute of the SNMP protocol. Edition IEEE Std 802....
..., 1998 A standard that optimizes the flow of multicast traffic. IGMP snooping A mechanism performed by an intermediate device, such as a Layer 2 Switch, that defines the behavior of the IEEE Std 802.3-2002. The device listens for computers and communications. The protocol allows a host to inform ... full duplex. 802.3x is now incorporated into the relevant sections of bridges in 1963 and sets standards for IGMP messages and build mapping tables and associated forwarding filters, in addition to a specific multicast group. IEEE Institute of the SNMP protocol. Edition IEEE Std 802....