Routing on VTP Client

[capajaron]

Hi Everyone:

I have VTP Server(2 stack Cisco-3750) and VTP Client(Cisco-3560)switches.Since both have InterVLAN routing capability, i decided to enable also the routing feature of the Client switch just to minimize the routing process of the VTP server.

Currently the 3750 takes all the routing process and there are 14 Cisco-3560 vtp client switches, is it possible?

For example If I enter the command in the client:

*Client_switch(config)# ip routing

Will it do the routing by itself if this client switch has more than one VLAN or there are additional setting for this?

thanks

Cliff

[ankbhasi]

Hi Friend,

VTP client and server are just for VLAN database synchronisation so it really does not matter on which switch you are doing the routing. Data transfer and routing is not at all related to VTP modes.

You can very well have intervlan routing configured on your 3560 switch and all you need to do is enable "ip routing" on global config mode. If you already have logical interfaces for vlans configured and ip addresses defined for those vlan interfaces you are good to go.

HTH

Ankur

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[amit-singh]

Hi Cliff,

I agree with Ankur on this. It really doenot matter where you are really doing routing in a VTP domain. You can do the routing on 3560 clients in this case. In addtion to enabling the "ip routing" on the switches, you have to make sure that you have the Layer-3 SVI's created for the vlans on 3560's for which you want the inter-vlan routing.

HTH,

-amit singh

[capajaron]

Hello Ankur,

Since my current setup is VTP Server-Client,and i've already configure ip addresses for my vlan interfaces in the VTP Server, do still need to configure another ip address for the VLAN interfaces in the vtp-client switch?

Or just enable the ip routing feature in the client switches?

Thanks

Cliff

[amit-singh]

Hi Cliff,

You have to configure the Layer3 SVI's on your client switches and also " ip routing". You need both of them. For example.

conf t

ip routing

int vlan 1

ip address x.x.x.2 y.y.y.y --> x.x.x.1 is the ip address on VTP server switch SVI.

no shut

int vlan 2

ip address a.a.a.2 b.b.b.b

HTH,Please rate if it does.

-amit singh

[ankbhasi]

Hi Cliff,

I will recommend you do disable "ip routing" on your VTP server if you want your VTP client switch to handle routing for your vlans.

SO as stated my Amit you can enable all vlan interfaces for which you want routing to happen on your VTP client switch and assign an ip address and enable "ip routing" onyour client switch and disable "ip routing" on your VTP server switch.

HTH

Ankur

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