Mailing List Archive

[nsp] RE: [nsp]
James,

I would doubt that the telesyn switches support 802.1q or even VLANs? If your two Cisco switches are close together you could use a crossed UTP cable and trunk between them. Otherwise you will need another copper/fibre access link connecting the two halves of the second VLAN. You would still run the 802.1q trunk between the router and one of the switches. Hope this helps.
Marcus.

-----Original Message-----
From: James Caasi [mailto:jamesky@hotmail.com]
Sent: 23 July 2002 11:48
To: cisco-nsp@puck.nether.net
Subject: [nsp]


Thanks Arie,

The switch that we bought does not have a fiber uplink so we bought
Allied telesyn switches (2-port swtich.. one port is RJ-45 and the other is
fiber) to connect the switches. Should this affect the VTP port in between
the Cisco switches?

Should there be any problem with VLAN if another switch technology
goes in between the VLAN trunking of Cisco?

James



Hi James


a) You could trunk one port of the switch to your router and handle on your router
all necessary inter-vlan traffic (often done)


search on CCO for inter-vlan to find some sample configs for your
job. You
might
only face a problem with this approach due to the limited bandwith
on the
trunked
port, if you have mainly inter-vlan traffic. maybe monitoring
bandwith with
mrtg
(via snmp) on that port would be a good idea.


b) you can buy a l3 switch with is able to route inter-vlan traffic internally


regards
arie




-----Urspr√ľngliche Nachricht-----
Von: James Caasi [mailto:jamesky@hotmail.com]
Gesendet: Montag, 22. Juli 2002 08:12
An: cisco-nsp@puck.nether.net
Betreff: [nsp] Help with VLAN



Hello,


We are going to implement VLAN mainly to separate the broadcast traffic from one segment to another.


We have existing Cisco 2620 (one FastE port) and Cisco layer 2 switches. We have office users on one segment and some production machines on another.


Should I need a layer 3 switch for this connected after the router? Or I only need the router to separate the two segments (using VLAN
configuration) on the layer 2 Cisco switches?


TIA,
James





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