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7.4

Vlan configurations

Asked by rbmacct in Network Design & Methodology, Network Operations, Network Switches & Hubs

Tags: Vlan Switching

Hardware:

Cisco ASA 5510 (Firewall)
Cisco 2801 (Router/Gateway)
Core Switch (Rack 1)  Force10 48 port
Switch (VMware Rack 2)  Force10 48 port
Switch (2nd Server Room)  Force10 48 port
Lan Room  Dell PowerConnects (unmanaged)

Current Topology:

We are using a flat network (10.1.1.0/24). We are about 10 IPs away from being completely out. Hence one of the reasons for this project.

What Im trying to achieve.

Im trying to split  up my 2nd Server Room switch into Vlans.

The vlans are:
Vlan 11  10.1.1.0/24 (already apart of the existing network)
Vlan 12  10.1.2.0/24
Vlan 13  10.1.3.0/24
Vlan 14  10.1.4.0/24

I have created those vlans on both the 2nd server room switch and the core switch. I can ping from the 2nd server room switch over to the core switch on the various networks.

I can and cant dos
Cant ping 10.1.1.1 (Core Switch) from 10.1.2.254 or 10.1.3.254 (2nd Server Room Switch)
Cant ping 10.1.1.14 (Core Switch) from 10.1.2.254 or 10.1.3.254 (2nd Server Room Switch)
CAN ping 10.1.2.253 (Core switch) from 10.1.2.254 (2nd Server Room Switch)
CAN ping 10.1.1.254 Core Switch) from 10.1.3.253 (2nd Server Room Switch)
Cant ping 10.1.1.14 (Core Switch) from 10.1.2.253 (Core Switch)

I was on the phone TAC today and they stated I needed to add static routes on my DHCP server for the BOOTP replies to be routed back to the proper destinations. I dont completely believe this. However from the above you can easily see that I cant ping from vlan to vlan within the same switch.

However each switch and ping the other switches vlan IP.

These all came up since I couldnt get an IP address from the other subnets from DHCP although its setup correctly and the switches are configured with the dhcp relay. This problem is within the switch somewhere. These switches dont need manual route entries since they do inter-switch vlaning.

Hopefully Im just missing something small here.

Any help would be greatly appreciated.




Attachments:
 
vlan-layout.jpg (52 KB) (File Type Details) 
Network Layout
Network Layout
 
[+][-]11/05/09 10:40 PM, ID: 25757076Accepted Solution

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About this solution

Zones: Network Design & Methodology, Network Operations, Network Switches & Hubs
Tags: Vlan Switching
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Solution Provided By: ISoul
Participating Experts: 3
Solution Grade: A
 
[+][-]11/05/09 10:32 PM, ID: 25757016Expert Comment

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