05-12-2010 08:00 PM - edited 03-04-2019 08:28 AM
I've got a 2811 running 12.4(8) and a 2950 running (C2950-I6K2L2Q4-M), Version 12.1(22)EA8a.
i have been tinkering trying to get the 2811 connect to a cable modem, setting it up as a VTP server, and connecting the 2950 to it to access the VLAN's defined on the 2811.
does anyone have an example config for this type of configuration? dont have anything specific requirements, and just looking to learn and find out if its possible.
Solved! Go to Solution.
05-13-2010 06:31 AM
Hello Danielle,
you can use the C2811 as router for intervlan routing with no problems
C2950: vtp server or transparent you create here the required vlans example: 10,20,30
you configure a L2 trunk port to router port with
int f0/x
switchport
switchport mode trunk
no shut
C2811 side:
int f0/0
no ip address
int f0/0.10
enc dot1q 10
ip address 10.10.10.1 255.255.255.0
no shut
int f0/0.20
enc dot1q 20
ip address 10.10.20.1 255.255.255.0
int f0/0.30
enc dot1q 30
ip address 10.10.30.1 255.255.255.0
this is what you need and the C2811 will perform intervlan routing for users in the different vlans
Hope to help
Giuseppe
05-12-2010 11:45 PM
Hello Danielle,
be aware that without an etherswitch module the C2811 would not support VTP at all.
if an etherswitch module is present on the router you can think of making it a VTP server (the module) and you need to connect it with a L2 trunk to the C2950 for successful VTP communication.
Hope to help
Giuseppe
05-13-2010 05:04 AM
ok, so scratch the VTP option, i've only got the two FE ports the unit comes with (no modules).
are their any other options to have the 2811 share vlans with a 2950?
05-13-2010 06:31 AM
Hello Danielle,
you can use the C2811 as router for intervlan routing with no problems
C2950: vtp server or transparent you create here the required vlans example: 10,20,30
you configure a L2 trunk port to router port with
int f0/x
switchport
switchport mode trunk
no shut
C2811 side:
int f0/0
no ip address
int f0/0.10
enc dot1q 10
ip address 10.10.10.1 255.255.255.0
no shut
int f0/0.20
enc dot1q 20
ip address 10.10.20.1 255.255.255.0
int f0/0.30
enc dot1q 30
ip address 10.10.30.1 255.255.255.0
this is what you need and the C2811 will perform intervlan routing for users in the different vlans
Hope to help
Giuseppe
05-13-2010 03:12 AM
I've got a 2811 running 12.4(8) and a 2950 running (C2950-I6K2L2Q4-M), Version 12.1(22)EA8a.
i have been tinkering trying to get the 2811 connect to a cable modem, setting it up as a VTP server, and connecting the 2950 to it to access the VLAN's defined on the 2811.
does anyone have an example config for this type of configuration? dont have anything specific requirements, and just looking to learn and find out if its possible.
Hi,
As suggested you need to have ethernet switching module in cisco 2811 like HWIC-4ESW and NM-ESW-16 to have switching funcationality.
Hope to Help !!
Ganesh.H
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