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December 5th, 2003 01:00
3348 trunking with cisco 2600
I will be replacing Cisco 2600 with 3348. Other 2600 will stay so trunking has to be configured. Old Cisco switch has first two ports configured for the trunk. I need instructions on how to "preconfigure" my new 3348 with the right settings so the trunk is active immediatelly after I reconnect the cabling. I already configured 3348 with the IP address, passwords, etc. Should I configure VLAN first? Right now, old Cisco switch has standard VLAN 1 configured.
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Andrew_Hicks1
2 Intern
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169 Posts
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December 5th, 2003 12:00
Are you wanting to perform VLAN trunking? Or are you looking to set up link aggregation on multiple ports between the 2600 and the 3348?
alesh41
3 Posts
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December 5th, 2003 13:00
Hi Andrew!
I would like to set up VLAN trunking, because right now we have VLAN configured on the old Cisco switch. I guess, what I have to do is configure ports e1 and e2 to perform trunking while connected to the other 2600 switch. Statement on the switch that I will be replacing says:
interface FastEthernet0/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,2,1002-1005
switchport mode trunk
!
interface FastEthernet0/2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,2,1002-1005
switchport mode trunk
As you can see, trunk is configured for the ports E1 and E2
Can i do this with the Web Interface?
I need detailed step by step instructions if possible.
Thank you for the prompt respond
Alesh
Andrew_Hicks1
2 Intern
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169 Posts
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December 5th, 2003 14:00
You should be able to do this via the CLI or the web console - the CLI is just easier to configure, in terms of providing instructions:
If we're going to be trunking VLANs 1&2 between the Cisco switch and the 3348, your config should look something like this. I'm configuring ports g1 and g2 on the 3348:
STEP 1: Create new vlans
console# config
console(config)# vlan database
console(config-vlan)# vlan 2
console(config-vlan)# exit
console(config)#
STEP 2: Create Trunk Port - these should be your switch uplink ports
console(config)# interface range ethernet 1/g1-g2
console(config-if)# switchport mode trunk
console(config-if)# switchport trunk allowed vlan add 2
console(config-if)# exit
console(config)# exit
console# copy run start
You do not have to specify VLAN 1 to be trunked, it will be done automatically. This will configure both gigabit ports on the switch to pass traffic for the specified VLANs. If you wish to add additional VLANs to the trunk ports, repeat steps 1 and 2.
STEP 3: Create Access Port - these should be ports going to end systems or non-802.1q aware devices
console(config)# interface ethernet 1/e1
console(config-if)# switchport mode access
console(config-if)# switchport access vlan add 2
console(config-if)# exit
console(config)# exit
console# copy run start
Doing this from the web is a bit trickier. Under Switch > VLAN > VLAN Membership, you'll first want to click 'Add' to create a new VLAN, and give it a name (for reference purposes). You must click 'Apply Changes' to save what you've modified.
Once the new VLAN is created (VLAN 2, again), you'll select it from the 'Show VLAN' pulldown. This should show you the list of ports that are members of the VLAN, whether T (Tagged) or U(Untagged).
You'll configure port settings under Switch > VLAN > Port Settings. In this case, you'll have to configure each port individually, though you can get a full list of all the ports by clicking 'Show All'. For ports that you want to pass multiple VLANs, choose 'Trunk' from the 'Port VLAN Mode' pulldown. Ports that you want as access ports should have the 'Access' option chosen.
You will then need to add ports to the specified VLANs. This is configured from the VLAN Membership screen. Click on the 'Static' button under the ports - Trunk ports should be a 'T' port in each VLAN for which you want to pass traffic. Access ports should be a 'U' port in their respective VLANs.
Hope this helps.
alesh41
3 Posts
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December 5th, 2003 17:00
Hi Andrew
Your instructions were great. Thank you for your time. I will be configuring my switch today.
Thanks again
Alesh