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Anonymous Poster

VLAN

09/09/2008 5:11 AM

How many VLAN can create in one switch(like 48 ports switches)?

Regards.,

Tamil Iniyan.
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#1

Re: VLAN

09/09/2008 7:54 PM

Well... each switch is different. If you could have as many as you wanted, in a 48 port switch, you could have a maximum of 24 separate VLANs. Why 24? Well that is pretty self-evident, as you need at least two ports to form a VLAN pair.

I have a bunch of SNMP capable Intel Express 100Mb 24 port switches at a server farm I own in Ontario, Canada. These switches can be daisy chained, via their backbones, to form a 7 switch stack. In this configuration I have 168 Ethernet ports. The maximum number of VLANs this stack can support is 128.

Check the docs...

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North of 60
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Posts: 1854
Good Answers: 140
#2

Re: VLAN

09/09/2008 9:11 PM

Let me rephrase that...

You can have as many VLANs on the switch as its firmware will allow. Whether or not the VLANs have ports assigned to them is a different issue. A VLAN does still need at least two ports to be assigned to it to flow any traffic.

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