Need help with configuring 3550 for home lab

[wgregoryjr]

I've started to setup a home IPT lab to try learn a little about Unified Communications a little more.  I'm having problems with getting my 3550 switch configured properly to get IP phones to register properly.

I have a dedicated machine that has ESXI 5.0 installed on it.  I have 4 virtual machines installed on the ESXI server.  CUCM (Pub), CUCM (Sub), Unity Connection, and Presence.

My topology is as follows:

Internet

DSL Modem (192.168.2.1)

Linksys Router  (192.168.3.1)

Linksys assigns DHCP from 192.168.3.2 -> 192.168.3.19)  (All my home devices, other pc's, etc....)

My desktop PC is static 192.168.3.20

The 3550 (vlan 1) is static 192.168.3.50. 

   -  Port f0/1 connects to esxi server which houses all the UCM

   -  Port f0/2 connects to 7940 phone I have configured in CUCM

   -  Port f0/24 connects back to my Linksys (home network)

The ESXI server is static 192.168.3.200

The CUCM (Pub) is static 192.168.3.201

The CUCM (Sub) is static 192.168.3.202

The UC (Pub) is static 192.168.3.211

The CUP (Pub) is static 192.168.3.221

per above, all of this is on the same subnet (I'm assuming that's ok).  My softphone that I installed on my desktop came up and registered with no problems but my hardphones are not registering.  Can someone help me with how I need to configure the switch (3550)?

Thanks.

[wgregoryjr]

still no luck.

to avoid confusion, here are portions of config again.

mls qos

ip subnet-zero

ip routing

no ip domain-lookup

ip dhcp excluded-address 192.168.3.1 192.168.3.20

ip dhcp excluded-address 192.168.3.200 192.168.3.254

!

ip dhcp pool phone

   network 192.168.3.0 255.255.255.0

   default-router 192.168.3.1

   option 150 ip 192.168.3.201

interface FastEthernet0/1  (connected to my ESXI server)

switchport mode dynamic desirable

!

interface FastEthernet0/2  (connected to the 7940 phone)

switchport mode access

switchport voice vlan 1

mls qos trust device cisco-phone

mls qos trust cos

spanning-tree portfast

!

interface FastEthernet0/24  (connected back to linksys home router)

switchport mode access

no cdp enable

I've tried using DHCP on phone and static assign on phone and phone still not registering.

[Chris Deren]

Can you ping the IP address of the phone from CUCM server?

Is CUCM server defined with IP address or hostname under CUCM Server configuration under System --> Servers?

What does the staus log on the phone show?

Was this phone used recently with another CUCM 8.0+ system? If so delete ITL certificate.

Chris

[wgregoryjr]

Yes, ping successful from CUCM

Servers defined with hostnames.

Status message on phone says DNS timeout. Do I need to change the servers to ip addresses?

[wgregoryjr]

It's working now.

Thanks so much for your assistance.

[acampbell]

Hi,

You have int fas 0/2 in VLAN 20

VLAN 20 has no DHCP scope or routing.

You will need to build these in something like

!

vlan 20

name PHONES

!

int vlan 20

desc *** LAYER3 FOR PHONES ***

ip address 192.168.20.1 255.255.255.0

no shut

!

ip dhcp excluded-address 192.168.20.1 192.168.20.20

ip dhcp excluded-address 192.168.20.200 192.168.20.254

!

ip dhcp pool PHONES-VLAN20

   network 192.168.20.0 255.255.255.0

   default-router 192.168.20.1

   option 150 ip 192.168.3.201

!

!also change your phone port config so that your pattop/pc works in

!the PC port too.

!

int fas 0/2

shut

desc *** PHONE & PC **

switchport host

swithcport voice vlan 20

switchport access 1

mls qos trust cos

no shut

!

HTH

Alex