VTP/VLAN question

mur4d

Switch A and Switch B connected by trunk in the same VTP domain.
Switch A is VTP server and switch B is VTP client.
On switch A we create VLAN 10 and set port fa0/5 to be member of VLAN 10.
Question: What will be member of VLAN 10?
port fa0/5 on Switch A only or port fa0/5 on both Switch A and Switch B?

netstat

Port Fa0/5 on both switches. Since u added the port from the VTP server (switch A), which propagates the new port and the new vlan 10 info to the client switch. (switch

mikej412

mur4d wrote:

Switch A and Switch B connected by trunk in the same VTP domain.
Switch A is VTP server and switch B is VTP client.
On switch A we create VLAN 10 and set port fa0/5 to be member of VLAN 10.
Question: What will be member of VLAN 10?
port fa0/5 on Switch A only or port fa0/5 on both Switch A and Switch B?

VTP will create VLAN 10 on switch B, but it doesn't do anything about port memberships.

so port fa0/5 on Switch A only

jasoni

mikej412 wrote:

VTP will create VLAN 10 on switch B, but it doesn't do anything about port memberships.

so port fa0/5 on Switch A only

I agree here.. it only lets you know of configured vlans, not associated ports, and it doesnt associate ports to vlans.

Humper

So VTP only propogates the VLAN information to the switch. It has nothing to do with assigning ports to VLANs correct?

netstat

woh.. i really got my wires messed up with this question, only switch A is the answer because there is no router in this setup ey?

If there was then port would be in vlan 10 for SA and SB... right?

(i assumed - "bad boy" that there was a router)

jasoni

netstat wrote:

woh.. i really got my wires messed up with this question, only switch A is the answer because there is no router in this setup ey?

If there was then port would be in vlan 10 for SA and SB... right?

(i assumed - "bad boy" that there was a router)

hmmm... what would a router have to do with vtp? Maybe im confused now...

EdTheLad

Looks like netstat needs to read up on vlans.
Mikes answer is correct!

netstat

a router would route between vlans, but yes in this case a router wouldn't do anything .. so i am saying crap..

but, i have done this setup many times, and whenever i added a interface on a vlan from the vtp server, it was replicated in my client switches's vlan. cos that would mean, that to add a port in a vlan I would have to access all my client switches!

... *confused*

jasoni

netstat wrote:

a router would route between vlans, but yes in this case a router wouldn't do anything .. so i am saying crap..

quote]

aah I see, your thinking of inter-vlan communication. Communication between vlans. Vlans, vtp, trunking, filtering, tagging can easily get someone confused... i know this because I was once this person!!

netstat

YES!!!!! that is it! ok good that means i am not going crazy, i wans't even gonna sleep tonight..

mikej412

netstat wrote:

cos that would mean, that to add a port in a vlan I would have to access all my client switches!

Yes!

VTP saves you a little work by updating the available VLANs on the switches -- but poor little CCNAs must still do lots of manual work.....

But it's good that you realize that......

....since in the CCNP you learn about the VLAN Management Software can update the ports for you.... and User Authentication that can dynamically update the ports VLAN membership....

..... which means you got CCNP potential even though you are still working on your CCNA.

Humper

Quick question(s)


Can you have two or more VTP servers in the same VTP domain?

If so, do the VTP servers update VTP servers?

Thank you for your help

jasoni

ModemHumper wrote:

Quick question(s)


Can you have two or more VTP servers in the same VTP domain?

If so, do the VTP servers update VTP servers?

Thank you for your help

hmmm I think the answer may be Yes, and yes! I think its preffered to make your strongest switch the server but if there are two servers trunked then I believe that each will propogate information to each other.

Then again... im not too sure

mikej412

jasoni wrote:

hmmm I think the answer may be Yes, and yes! I think its preffered to make your strongest switch the server but if there are two servers trunked then I believe that each will propogate information to each other.

Yes!

janukarangoda

mur4d wrote:

Switch A and Switch B connected by trunk in the same VTP domain.
Switch A is VTP server and switch B is VTP client.
On switch A we create VLAN 10 and set port fa0/5 to be member of VLAN 10.
Question: What will be member of VLAN 10?
port fa0/5 on Switch A only or port fa0/5 on both Switch A and Switch B?

Port fe0/5 on both Switch A and Swithch B

Humper

janukarangoda wrote:

mur4d wrote:

Switch A and Switch B connected by trunk in the same VTP domain.
Switch A is VTP server and switch B is VTP client.
On switch A we create VLAN 10 and set port fa0/5 to be member of VLAN 10.
Question: What will be member of VLAN 10?
port fa0/5 on Switch A only or port fa0/5 on both Switch A and Switch B?

Port fe0/5 on both Switch A and Swithch B

Did you not read the other answers? Thats not correct

David_HX

here's my two cents (keep the change)

Port fa0/5 *will* progagate to the client Switch-B and it *will* show up as Port fa0/5 on Switch-B but it will be *only* Switch-A's Port fa0/5 as it is propagated within VLAN 10 and shows up on Switch-B included only in Vlan 10. Switch-B's Port fa0/5 is still in admin Vlan1 at this point.

If you wanted to include Switch-B's Port fa0/5 it would have to be assigned to another Vlan (Vlan-20 for ex.)

Switch-B would need to be temporarily be a vtp Server to create the vlan and assign Switch-B's fa0/5 Port to it and it would then propagate to to the other Server (Switch-A) since creating a VLAN bumps the vtp domain VLAN rev. # up 1 increment and Switch-A now sees this and will include Vlan 20's (Switch-B's) port fa0/5 along with the existing Vlan 10 Port fa0/5 on Switch-A

For both ports to pass frames, both Switch-A and B would need to be trunked through Router sub-interfaces or Layer-III Switch.

Does this sound Kosher ?

DvD