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ES-2024 Series User’s Guide
31 Chapter 1 Getting to Know Your Switch
Queuing
Queuing is used to help solve performance degradation when there is network congestion.
Two scheduling services are supported: Strict Priority Queuing (SPQ) and Weighted Round
Robin (WRR). This allows the switch to maintain separate queues for packets from each
individual source or flow and prevent a source from monopolizing the bandwidth.
Port Mirroring
Port mirroring allows you to copy traffic going from one port to another port in order that you
can examine the traffic from the mirror port (the port you copy the traffic to) without
interference.
Static Route
Static routes tell the switch how to forward IP traffic when you configure the TCP/IP
parameters manually.
IGMP Snooping
The switch supports IGMP snooping enabling group multicast traffic to be only forwarded to
ports that are members of that group; thus allowing you to significantly reduce multicast
traffic passing through your switch.
Multicast VLAN Registration (MVR)
Multicast VLAN Registration (MVR) is designed for applications (such as Media-on-Demand
(MoD)) using multicast traffic across a network. MVR allows one single multicast VLAN to
be shared among different subscriber VLANs on the network.
This improves bandwidth utilization by reducing multicast traffic in the subscriber VLANs
and simplifies multicast group management.
STP (Spanning Tree Protocol) / RSTP (Rapid STP)
(R)STP detects and breaks network loops and provides backup links between switches,
bridges or routers. It allows a switch to interact with other (R)STP -compliant switches in your
network to ensure that only one path exists between any two stations on the network.
Link Aggregation
Link aggregation (trunking) is the grouping of physical ports into one logical higher-capacity
link. You may want to trunk ports if for example, it is cheaper to use multiple lower-speed
links than to under-utilize a high-speed, but more costly, single-port link.
Bandwidth Control
• The switch supports rate limiting in 64 Kbps increments allowing you to create different
service plans.