VTP Server

[cisconoobie]

In the attached picture, if I want to have VLANs setup for the different floors with the idea that users may move from floor to floor and Changes to the ports may have to be made, how should the VTP server be setup?

Also should there be a 1Q trunk between all the switches ?

[leonvd79]

1. Make both 3750 EMI VTP server, the others VTP client.

2. Between all switches use dot1q trunks. That is if you need to transport VLANs over those links.

VTP does not help with users moving from floor to foor. You still need configuration. VTP advertises VLAN information, it does not store port properties.

If you're looking for a solution to dynamically assign VLANs you need VMPS.

VLAN Trunks

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swvlan.htm#wp1200245

VTP

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swvtp.htm

VMPS

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swvlan.htm#wp1212223

HTH

--Leon

* Please rate posts.

[cisconoobie]

Ok Would I setup a different Vlan Servername for each 3750 EMI ? I'm not sure how to setup both as 1 VTP server.

[leonvd79]

Hello,

It's quite simple actually.

Use the following configuration. Replace the domain name and password to something that reflects your network/organization.

VTP Servers

switch 1

vtp server

vtp domain cisco

vtp password san-fran

switch 2

vtp server

vtp domain cisco

vtp password san-fran

VTP Clients

vtp client

vtp domain cisco

vtp password san-fran

HTH

--Leon

* Please rate posts.

[devang_etcom]

its

to make server switch...

vtp mode server

vtp domain cisco

vtp password cisco system

to make client switch

vtp mode client

vtp domain cisco

vtp password cisco system

configure this command on your switches..

rate this post if it helps

regards

Devang

[leonvd79]

You *cannot* use spaces in a password.

--Leon

[cisconoobie]

Heres another noobie question. Looking at the diagram, if I setup HSRP on the 3750G Emi Routers,

Switch 1

interface Ethernet0

ip address 171.16.6.5 255.255.255.0

standby 1 preempt

standby 1 ip 171.16.6.100

standby 2 preempt

standby 2 ip 171.16.6.200

standby 2 priority 95

Switch 2

interface Ethernet0

ip address 171.16.6.6 255.255.255.0

standby 1 preempt

standby 1 ip 171.16.6.100

standby 1 priority 95

standby 2 preempt

standby 2 ip 171.16.6.200

Isnt interface E0 an actual physical port on each switch? Does the floor 1 3750 switch need to be connected into both switches ?

I'm confused but learning :(

[leonvd79]

All ports are physical, I do not kwown why you mention that.

If you use the 3750 to route between VLANs and to provide high availability you can achieve that with SVIs and HSRP.

HSRP

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swhsrp.htm

SVI

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swint.htm#wp1640801

To provide redundancy for all VLANs, you need to have a path to both gateways. If either one switch fails you still have connectivity.

Please rate the initial post.

--Leon

[cisconoobie]

ok so if the hsrp switch that the switch on floor 1 connects to fails, how will the switch communicate with the outside? Yes there is another 1Q trunk to the bottom floor which also connects to the other HSRP switch, but how does it know to take that path ?

On the hsrp documentation you just sent me, Figure 39-1 Typical HSRP Configuration

Each switch is physically connected to one of the HSRP switches, what if that HSRP switch fails?

[devang_etcom]

noobie i dont know about your connectivity but for HSRP...lets say you are having two switch in HSRP...and you have configure one group of HSRP on both...at that time one of two will become active it means it will forward the data and other switch will become standby switch...standby switch will not forward the data...

But when active switch will be down as you said...at that time standby switch will take over the role of the active and it will forward the data...so this is how HSRP is used for the redundancy...

hope this will clear your idea...

rate this post if it helps

regards

Devang

[cisconoobie]

Does a cable actually connect into Interface Fa0/0 ?

I'm asking stupid questions but they will help me see the big picture.