Avaya Nortel Business Ethernet Switch 1000 Series User Manual download pdf (Page 231)

VLAN workgroup example 231

IEEE 802.1Q VLAN workgroups

The BES1000 Series switch supports up to 32 VLANs and IEEE 802.1Q

tagging on a per-port basis. Ports are grouped into broadcast domains

by assigning them to the same VLAN. Frames received in one VLAN can

only be forwarded within that VLAN. Multicast frames and unknown unicast

frames are ﬂooded only to ports in the same VLAN.

Setting up virtual LANs (VLAN) is a way to segment networks to increase

network capacity and performance without changing the physical network

topology (see the Port-based VLAN examplegraphic). With network

segmentation, each switch port connects to a segment that is a single

collision domain. Adding to VLANs deﬁnes broadcast domains, and having

a switch instead of a hub segments the network into individual collision

domains.

With the BES1000 Ser ies switch, you can assign ports to VLANs using

the Web-based management or the Element Manager. By assigning ports

(and therefore the devices attached to these ports) to different VLANs,

you create individual broadcast domains per VLAN. This feature provides

network ﬂexibility because you can reassign VLANs to accommodate

network moves, additions, and changes, and thus eliminate the need to

change physical cabling.

Port-based VLAN example

VLAN workgroup example

As shown in VLAN conﬁguration spanning multiple switches, Switch S1

(BES1000 Series switch) is conﬁgured with multiple VLANs:

•

Ports 17, 20, 25, and 26 are in VLAN 1.

•

Ports 16, 18, 19, 21, and 23 are in VLAN 2.

Nortel Business Ethernet Switch 1000 Series

Using The Nortel Business Ethernet Switch 1000 Series

NN47927-300 01.01 Standard

1.1 10 January 2007

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Avaya Nortel Business Ethernet Switch 1000 Series User Manual Page 231