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9.1

Migrating to VLAN solution

Asked by irmando in Network Design & Methodology, Network Switches & Hubs, Network Routers

Tags: VLAN, cisco, procurve

Hello,

We are planning to change our current topology to use VLAN.  The main reason is due to relocation and hence not to restrict groups of users to the same location or floors in the building.  Please refer to attached diagram (simplified version).

There is a router, Cisco 2611XM and several different models of HP ProCurve switches.

Router info:
Cisco IOS Software, C2600 Software (C2600-IPBASE-M), Version 12.4(3i), RELEASE ROM: System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
ROM: C2600 Software (C2600-I-M), Version 12.3(23), RELEASE SOFTWARE (fc5)
System image file is "flash:c2600-ipbase-mz.124-3i.bin"

There are currently many interfaces on the router, each for one subnet.  Therefore, to migrate to a VLAN solution, there is no need to use "Router-on-a-stick" approach.  Can I retain the same interfaces on the router and configure VLANs on the Core Switch (diagram) to connect to these interfaces?  I believe I have to configure the VLANs with different IP addresses according to the subnets.

Vlan10: Marketing, Vlan20: Production, Vlan30: HR - for example.

Then, from the Core Switch, I will connect to the other switches on different parts of the building via a TRUNK link, passing through all VLANS.  On those remote switches, I will configure the VLAN assignment for each port.

Please advise:

1.  If there is any limitation on the router IOS to implement this?
2.  Do I need to make any changes on the router since there is no TRUNK between it and the CORE switch?
3.  If I have HSRP configured (a redundant router is available and connected to a separate link to Internet, do I even have to worry about it and make some change to the configuration?

Thanks in advance for any advice.
Attachments:
 
before.jpg (43 KB) (File Type Details) 
Drawing showing current setup.
Drawing showing current setup.
 
 
after.jpg (59 KB) (File Type Details) 
Drawing showing future setup
Drawing showing future setup
 
 
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About this solution

Zones: Network Design & Methodology, Network Switches & Hubs, Network Routers
Tags: VLAN, cisco, procurve
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Solution Provided By: jodylemoine
Participating Experts: 1
Solution Grade: A
 
[+][-]10/15/09 10:02 AM, ID: 25582480Author Comment

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