VLAN Routing
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Swapnilc
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Q:
VLAN Routing
VLAN Routing, Cisco VLAN, Cisco switch configuration, Cisco 3560, Switch configuration, Switches, VLAN, InterVLAN, Cisco
We have created two VLANs on single Cisco C3560 switch and now want to have inter-VLAN routing. Please explain how to enable it. Please note, we have only one L3 switch, with 10 computers on one VLAN and 10 on other VLAN.
ASKED: Jun 18 2009  0:48 AM GMT
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BlankReg
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On the L3 switch, in 'config' mode, first turn on routing (if it is not already on) with the

ip routing

command.

Then create an interface in each vlan, and give it an IP address.

interface vlan 2
ip address 192.168.2.1 255.255.255.0
interface vlan 3
ip address 192.168.3.1 255.255.255.0

Replace the VLAN numbers, and IP addresses above, with values relevent to your network. Then, if these are the default gateway addresses for each VLAN, they will route traffic between the VLANs.

You can do a lot of the same commands as you get on a router, on the layer 3 switch, such as access control (ACL), or a static route for the Internet, but the basic routing is as shown. If you need more assistance, please ask.
Last Answered: Jun 18 2009  6:15 AM GMT by BlankReg   11280 pts.
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Bhupendra   190 pts.  |   Jun 19 2009  1:01PM GMT

If from the above solution, your VLAN is not working then configure any dynamic routing protocal like RIP,EIGRP or any. Best & easy to configure RIP v1/v2. You have to configure dynamic routing between VLANs only, means suppose you have 4 VLANs in your network then advertise your all 4 VLAN subnet addresses. Then your Inter-VLAN routing will work perfectly.
If suppose it is not working then you can contact me on my mobile no.

Thanks & Regards,
Bhupendra Singh
+91 9650234666

 

BlankReg   11280 pts.  |   Jun 19 2009  3:57PM GMT

There is absolutely no need for any routing protocol. The VLANs are on the same switch - see the original question - so both are connected interfaces, and will route between the two networks with no additional configuration.

 
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