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Structure of This Guide
About This Guide
xxi
describes how to access the Spanning Tree 
Configuration Menu, 802.1Q VLAN Configuration Menu, and 802.1p Configuration Menu, 
screens. This chapter also introduces and describes how to use the Spanning Tree screens to create 
a separate Spanning Tree topology for each VLAN configured in the module.
, describes how to use the screens to 
create static VLANs, select the mode of operation for each port, filter frames according to VLAN, 
establish VLAN forwarding (Egress) lists, route frames according to VLAN ID, display the 
current ports and port types associated with a VLAN and protocol, and configure ports on the 
switch as GVRP-aware ports. VLAN classification and classification rules are also discussed.
, describes how to use the screens to set the 
transmit priority of each port, display the current traffic class mapping-to-priority of each port, set 
ports to either transmit frames according to selected priority transmit queues or percentage of port 
transmission capacity for each queue, assign transmit priorities according to protocol types, and 
configure a rate limit for a given port and list of priorities.
, introduces and describes how to enable or 
disable IGMP (Internet Group Management Protocol, RFC 2236) on selected VLANs, or globally 
on all VLANs that are available.
, introduces and describes how to use the statistics 
screens to gather statistics about the switch, interfaces, RMON, and HSIM/VHSIM and, if the 
device is a repeater, repeater statistics.
, describes how to access and use the Network Tool screens. 
This chapter also includes examples for each command.
, introduces VLANs, describes how 
they operate, and how to configure them using the Local Management screens described in 
. Examples are also provided to show how VLANs are configured to solve a problem and 
how the VLAN frames travel through the network.
, describes the switch operation 
when its ports are configured to operate under the Generic Attribute Registration Protocol (GARP) 
application – GARP VLAN Registration Protocol (GVRP).
, introduces the Internet Group Management Protocol (IGMP), its 
features and functions, and describes how it detects multicast routers.
NOTE: There is a global setting for GVRP that is enabled by default. However, this 
setting is only accessible through a Management Information Base (MIB).