3Com 3C16476A User Guide - Page 35

Configuring VLANs, SNMP Remove

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Page 35 highlights

Figure 23 SNMP Add Screen SNMP Remove This page allows you to remove community strings. Figure 24 SNMP Remove Screen Configuring VLANs 35 Configuring VLANs A virtual LAN (VLAN) is a collection of network nodes that share the same collision domain, regardless of their physical location or connection point in the network. A VLAN serves as a logical workgroup with no physical barriers, and allows users to share information and resources as though located on the same LAN. You can use the Switch to create VLANs to organize any group of ports into separate broadcast domains. VLANs confine broadcast traffic to the originating group and help eliminate broadcast storms in large networks. This also provides for a more secure and cleaner network environment. You can create up to 64 VLANs, add specific ports to a chosen VLAN (so that the port can only communicate with other ports on the VLAN), or configure a port make it a member of all VLANs. Communication between different VLANs can only take place if they are all connected to a router or layer 3 switch. The Device menu includes five items: ■ VLAN ■ Spanning Tree ■ IGMP Snooping ■ IGMP Query ■ Broadcast Storm

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Configuring VLANs
35
Figure 23
SNMP Add Screen
SNMP Remove
This page allows you to remove community strings.
Figure 24
SNMP Remove Screen
Configuring VLANs
A virtual LAN (VLAN) is a collection of network nodes
that share the same collision domain, regardless of
their physical location or connection point in the
network. A VLAN serves as a logical workgroup with
no physical barriers, and allows users to share
information and resources as though located on the
same LAN.
You can use the Switch to create VLANs to organize
any group of ports into separate broadcast domains.
VLANs confine broadcast traffic to the originating
group and help eliminate broadcast storms in large
networks. This also provides for a more secure and
cleaner network environment.
You can create up to 64 VLANs, add specific ports to
a chosen VLAN (so that the port can only
communicate with other ports on the VLAN), or
configure a port make it a member of all VLANs.
Communication between different VLANs can only
take place if they are all connected to a router or layer
3 switch.
The Device menu includes five items:
■
VLAN
■
Spanning Tree
■
IGMP Snooping
■
IGMP Query
■
Broadcast Storm