Window DHCP Server is not allocting IP to Voice Vlan

Hi,
I HAVE 3560 Switch, Over that two vlan configure Data & Voice respectively. Voice id Vlan 1 and Data Id Vlan 2.Routing is done on this switch and work as L3
DHCP Server is member of Data Vlan which is connected to another 3560 Switch L2. DHCP Server is reachable.On that both vlan configured.
Switch Port configure fr both Vlan ( Switchport access vlan 2 , Switchport voice vlan 1, Switchport mode access)
WHILE Connect any pc to port DHCP server assign ip frm Data Pool while Cisco Ip phones are not getting IP. OPTION 150 is configured in DHCP.
Over both interface IP Helper is configured and pointing to DHCP Server.
For testing point configure DHCP service on switch with voice pool range ;at that moment Cisco IP phone got the IP fron switch DHCP.
Now not able to understand why window dhcp server not assigning ip for Voice.
Both Vlan are in different subnet and having / 24.
Please guide

Hi,
Checked all configuration in network,apply packet tracer and found DHCP not responding on DHCP Req.
Replace DHCP server and now working fine. :)

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Technical Blogs & Videos: http://www.delawarecountycomputerconsulting.com/
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service timestamps log datetime msec
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logging buffered 51200 warnings
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Hi Jennifer,
I have gotten it resolved. Per your suggestion, I have turned on debug ip dhcp events and found that POOL EMPTY message. After little research, I found out that I have made a mistake in my excluded-address range.
I have had it as
ip dhcp excluded-address 192.168.1.1 192.168.100.101
It should have been
ip dhcp excluded-address 192.168.1.1 192.168.1.101.
It was a typo.
Thank you for the suggestion.
Srini

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Microsoft Certified Trainer
Microsoft MVP - Directory Services
Technical Blogs & Videos: http://www.delawarecountycomputerconsulting.com/
This post is provided AS-IS with no warranties or guarantees and confers no rights.

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Tom, thnkas for a quick reply...
look, usually it is pretty easy to manage an issue with so precise instructions. but this particular time it is not.
as I understood the "dhcp option 61" is nothing more than "00" which go before pure hardware address.
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client-name HP-Ellite
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ssd-control-start
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ip dhcp snooping vlan 14
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address 10.10.13.3 255.255.255.0 client-identifier 01:00:08:9b:ac:72:ba
client-name q209
default-router 10.10.13.254
dns-server 8.8.8.8
exit
exit
ip dhcp pool network HOME
address low 10.10.11.1 high 10.10.11.254 255.255.255.0
lease infinite
default-router 10.10.11.254
dns-server 10.10.10.1
exit
ip dhcp pool network GUESTS
address low 10.10.14.1 high 10.10.14.254 255.255.255.0
lease infinite
netbios-node-type b-node
default-router 10.10.14.254
dns-server 10.10.10.1 62.233.233.233
exit
ip dhcp relay address 10.10.10.1
ip dhcp relay address 10.10.11.254
ip dhcp relay address 10.10.13.254
ip dhcp relay address 10.10.14.254
no boot host auto-config
no qos
qos advanced-mode trust dscp
qos wrr-queue wrtd
exit
hostname SG500
line telnet
exec-timeout 0
exit
logging buffered debugging
no logging file
aaa authentication login Telnet local
aaa authentication enable Telnet enable
aaa authentication dot1x default none
line telnet
login authentication Telnet
enable authentication Telnet
password 999 encrypted
exit
no passwords complexity enable
passwords aging 0
username 999 password encrypted 999 privilege 15
ip http timeout-policy 0 http-only
clock timezone " " 1
clock summer-time web recurring eu
clock source sntp
clock source browser
sntp unicast client enable
clock dhcp timezone
ip domain name 999
ip name-server 10.10.10.1 62.233.233.233 8.8.8.8
ip host 999 10.10.13.3
ip telnet server
no service mirror-configuration
no security-suite deny syn-fin
security-suite syn protection mode disabled
interface vlan 1
ip address 10.10.10.254 255.255.255.0
no ip address dhcp
interface vlan 11
name HOME
ip address 10.10.11.254 255.255.255.0
ip dhcp relay enable
interface vlan 13
name DMZ
ip address 10.10.13.254 255.255.255.0
ip dhcp relay enable
interface vlan 14
name GUESTS
ip address 10.10.14.254 255.255.255.0
ip dhcp relay enable
interface gigabitethernet1/10
description "(99) QNAP 409"
switchport trunk native vlan 11
exit
macro auto disabled
macro auto processing type host enabled
macro auto processing type ip_phone disabled
macro auto processing type ip_phone_desktop disabled
macro auto processing type router enabled
mac address-table aging-time 10
ip default-gateway 10.10.10.1
snmp-server set 999 permit

Hi Andbor, please make a backup config of your file, factory reset the switch.
After this, manually configure a DHCP scope without any other configuration.
Just something simple like this
ip dhcp pool network GUESTS
address low 10.10.14.1 high 10.10.14.254 255.255.255.0
lease infinite
netbios-node-type b-node
default-router 10.10.14.254
dns-server 10.10.10.1 62.233.233.233
Verify your machine receive IP address with no other configuration.
In some ways, I'm afraid some of your connections black listed due to the arp inspection.
-Tom
Please mark answered for helpful posts

Yosemite DHCP Server does not die !

I run a small office where the MacOSX (Yosemite) server does mail, dns, etc. but not DHCP - the addresses are handed and managed by the router, a very good and sophisticated one (Miktrotik).
It all worked fine until at some point my partner by mistake enabled the DHCP service on the OS X Server. Shortly he disabled it again (turned it off in the admin application). However even though it shows to be "off" and "disabled", the **** thing keeps answering DHCP requests and giving out addresses.
Checking the logs I can clearly see bootpd is answering requests - so I killed it. The server resucitated it and kept answering requests.
I've tried restarting, turning the service on and off again, everything to no avail.
How could I disable it for good?

You could briefly enable it, then edit the DHCP settings to disable the network interface it is listening on and save that setting, then delete the zone and again save it, and then disable it again. It should then have no settings to give out even if still running.
I presume you have tried rebooting the server?
You could also try the following in Terminal.app
sudo /bin/launchctl unload -w /System/Library/LaunchDaemons/bootps.plist
You could also check that the /System/Library/LaunchDaemons/bootps.plist file contains a value for the Disabled key of true, i.e. yes it is disabled.

Windows 8 & Server 2012 not reflecting in updates category in SCCM 2012 SP1 console

Hi,
We are using SCCM SP1 with CU4 on server 2012. I am not able to see the windows 8 and server 2012 in the updates category for patch management.
Any Idea?

They should appear after the first successful sync.
Torsten Meringer | http://www.mssccmfaq.de

Windows Time Server setting not following group policy

I hardly use group policy, except for two settings:
User Configuration\Administrative Templates\System\User Profiles\Exclude directories in roaming profile
Computer Configuration\Administrative Templates\System\Windows Time Service\Configure Windows NTP Client & Enable Windows NTP Client
The first setting has worked perfectly for years, but the second one seems to have stopped working, in that the time on client PCs has become out by several minutes. The client PCs are running Windows 7 and Windows 8.1.
Following is the result under [TimeProviders] when I run W32TM /query /configuration:
On the server:
NtpClient (Local)
DllName: C:\Windows\system32\w32time.dll (Local)
Enabled: 1 (Local)
InputProvider: 1 (Local)
AllowNonstandardModeCombinations: 1 (Local)
ResolvePeerBackoffMinutes: 15 (Policy)
ResolvePeerBackoffMaxTimes: 7 (Policy)
CompatibilityFlags: 2147483648 (Local)
EventLogFlags: 0 (Policy)
LargeSampleSkew: 3 (Local)
SpecialPollInterval: 3600 (Policy)
Type: NTP (Policy)
NtpServer: time.windows.com,0x9 (Policy)
NtpServer (Local)
DllName: C:\Windows\system32\w32time.dll (Local)
Enabled: 1 (Local)
InputProvider: 0 (Local)
AllowNonstandardModeCombinations: 1 (Local)
On the Windows 8.1 client PC:
NtpClient (Local)
DllName: C:\Windows\system32\w32time.DLL (Local)
Enabled: 1 (Local)
InputProvider: 1 (Local)
CrossSiteSyncFlags: 2 (Local)
AllowNonstandardModeCombinations: 1 (Local)
ResolvePeerBackoffMinutes: 15 (Local)
ResolvePeerBackoffMaxTimes: 7 (Local)
CompatibilityFlags: 2147483648 (Local)
EventLogFlags: 1 (Local)
LargeSampleSkew: 3 (Local)
SpecialPollInterval: 3600 (Local)
Type: NT5DS (Local)
VMICTimeProvider (Local)
DllName: C:\Windows\System32\vmictimeprovider.dll (Local)
Enabled: 1 (Local)
InputProvider: 1 (Local)
NtpServer (Local)
DllName: C:\Windows\system32\w32time.DLL (Local)
Enabled: 0 (Local)
InputProvider: 0 (Local)
Can anyone help me to fix this please so that the client PCs sync their time correctly with an NTP server?

Hi,
>>but the second one seems to have stopped working, in that the time on client PCs has become out by several minutes. The client PCs are running Windows 7 and Windows 8.1.
Does this happen to all clients in our environment? For group policy, we can run command
gpresult/h gpreport.html with administrative privileges to collect group policy result to have a check. Besides, we can check event logs in Event Viewer to see if some related events were logged.
Here, we can try to resync time with domain by following the steps described in the article below.
Configure a client computer for automatic domain time synchronization
https://technet.microsoft.com/en-us/library/cc758905(v=ws.10).aspx
In addition, regarding time configuration in Active Directory, the following article can be referred to for more information.
“It’s Simple!” – Time Configuration in Active Directory
http://blogs.technet.com/b/nepapfe/archive/2013/03/01/it-s-simple-time-configuration-in-active-directory.aspx
Best regards,
Frank Shen
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

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