APs unable to receive IP address from DHCP (core 6500 series switch)

Dear Friends,
a week ago I had stable wireless network APs were getting IPS from 6500 series switch (DHCP) but unfortunately some WISM got rebooted and now APs are unable to receive IP address from Core 6500 DHCP, to cater this issue I have another DHCP server configured on windows 2008 i created another subnet and and put APs in that vlan now all APs are are successfully receiving IPS from windows DHCP server I don't know why APs are not able to receive IPs from core 6500 series DHCP.
please advice
Thanks
Faysal

Thanks george for stepping up here is DHCP config
ip dhcp excluded-address 10.10.30.1 10.10.30.20
ip dhcp excluded-address 10.10.8.1 10.10.8.10
ip dhcp excluded-address 192.168.10.1 192.168.10.5
ip dhcp excluded-address 10.9.20.1 10.9.20.30
ip dhcp pool vlan_30
network 10.10.30.0 255.255.254.0
default-router 10.10.30.1
option 60 ascii """"""""""""""""""""""""CiscoAPc1250""""""""""""""""""""""""
option 43 hex f110.0a0a.1e0b.0a0a.1e0d.0a0a.1e0f.0a0a.1e11
dns-server 10.10.2.11
lease infinite
ip dhcp pool WiSM1_SP
network 192.168.10.0 255.255.255.248
default-router 192.168.10.1

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Which one is true, will get back to you on this if i've something soon.
http://www.cisco.com/en/US/docs/wireless/module/wism2/installation/note/WiSM_2.html#wp34727
The above link is procedure to remove wism2. This procedure doesn’t look like wism2 is hot swapable.
http://www.cisco.com/en/US/docs/wireless/module/wism2/installation/note/WiSM_2.html#wp34621
All modules, including the supervisor engine (if you have redundant supervisor engines), support hot swapping. You can add, replace, or remove modules without interrupting the system power or causing other software or interfaces to shut down. For more information about hot-swapping modules, see the Catalyst 6500 Series Switch Module Installation Guide.

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hi all,
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Hello jsnyder81,
I have another question. This is still related to the same network.
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d*   0.0.0.0 0.0.0.0 [1/0] via 192.168.1.1, outside
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Hello,
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Upgraded to Mountain Lion a week ago. Suddenly unable to receive incoming emails from Mail.6
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I installed new SRW208P switch and I mada an uplink connection with SRW 2024 switch (using GE port).
when I am trying to connect AVAYA IP Phone to the SRW208P port, the set trying to get an IP address from the DHCP server and failed to get it.
some times after 10 minutes, it get the IP address, but all the machines (PCs) connected to the same switch (SRW208P) hange.
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The issue is that your machine is not being assigned an IP address / was unable to reach the DHCP server to receive one. The 169.254.x.x IP your machine is showing isn't assigned from DHCP, it's assigned by the local machine and is referred to as an APIPA
address.
So something is preventing your machine from reaching your DHCP server, which could one of a number of things. In the first instance I'd suggest having a look at
http://epan36.blogspot.co.uk/2012/09/eventid-1001-dhcp-your-computer-was-not.html which lists several of things that could cause this error and things you can try in order to resolve it.
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I have 3 AP, one roor and Non-root. The Root AP is connected to ADSL modem which provide DHCP.
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What it could be the reason???
I hope any of you can help me...
regards
ROOT#sh cdp nei
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
                  S - Switch, H - Host, I - IGMP, r - Repeater
Device ID        Local Intrfce     Holdtme    Capability Platform Port ID
NON-ROOT1        Vi-Dot11 0         177          T I      AIR-AP124 Vi-Dot11 0
NON-ROOT2        Vi-Dot11 1         145          T I      AIR-AP124 Vi-Dot11 0
ROOT#
ROOT#
ROOT#sh dot11 associations
802.11 Client Stations on Dot11Radio0:
SSID [enlace] :
MAC Address    IP address      Device        Name            Parent         Stat
e
0021.00d6.6459 169.254.32.107 Br-client     -               003a.9924.2ba0 Asso
c
0025.9cab.3073 0.0.0.0         Br-client     -               003a.9933.e070 Asso
c
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c
003a.9933.e070 192.168.1.251   bridge        NON-ROOT1       self           Asso
c
58b0.3568.372c 169.254.68.25   Br-client     -               003a.9924.2ba0 Asso
c
c417.fe02.645f 192.168.1.64    Br-client     -               003a.9924.2ba0 Asso
c
d8a2.5e49.5a83 0.0.0.0         Br-client     -               003a.9924.2ba0 Asso
c
ROOT#
ROOT#sh ver
Cisco IOS Software, C1240 Software (C1240-K9W7-M), Version 12.4(21a)JA1, RELEASE
SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
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Hi Surendra,
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My mind is about to crash...I don´t know what else to try.
thanks for your time.

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I have a Cisco 2811 router and have configured it to be a DHCP server at a remote site. It seems like it should be pretty straight forward to configure DHCP. Apparently I'm missing something because I can't get clients to receive an address. Below are the applicable parts of the config. I also have tried associating the DHCP pool with the Claims vrf and that did not work either.
ip dhcp excluded-address 10.10.30.0 10.10.30.99
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ip dhcp pool Claims_Office
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Unfortunately that didn't work. Here is the output before:
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Utilization mark (high/low)    : 100 / 0
Subnet size (first/next)       : 0 / 0
Total addresses                : 254
Leased addresses               : 0
Pending event                  : none
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Current index        IP address range                    Leased addresses
10.10.30.1           10.10.30.1       - 10.10.30.254      0
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Log Name: Microsoft-Windows-Dhcp-
Source: Microsoft-Windows-Dhcp-Client
Date: 23/Jun/2014 12:03:21 PM
Event ID: 1001
Task Category: Address Configuration State Event
Level: Error
Keywords: (1)
User: LOCAL SERVICE
Computer: sanddeplap.vts.com
Description:
Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address 0xF4B7E22D8721. The following error occurred: 0x79. Your computer will continue to try and obtain an address on its
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Event Xml:
<Event xmlns="http://schemas.">
<System>
<Provider Name="Microsoft-Windows-Dhcp-
<EventID>1001</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>3</Task>
<Opcode>75</Opcode>
<Keywords>0x4000000000000001</
<TimeCreated SystemTime="2014-06-23T08:03:
<EventRecordID>363</
<Correlation />
<Execution ProcessID="988" ThreadID="7932" />
<Channel>Microsoft-Windows-
<Computer>sanddeplap.vts.com</
<Security UserID="S-1-5-19" />
</System>
<EventData>
<Data Name="HWLength">6</Data>
<Data Name="HWAddress">F4B7E22D8721<
<Data Name="StatusCode">121</Data>
</EventData>
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I tried to track issue with microsoft network monitor I'm attaching the capture file also please help me to sort out this issue
capture report https://onedrive.live.com/redir?resid=AFE3D0245A92F6F8%21183

The issue is that your machine is not being assigned an IP address / was unable to reach the DHCP server to receive one. The 169.254.x.x IP your machine is showing isn't assigned from DHCP, it's assigned by the local machine and is referred to as an APIPA
address.
So something is preventing your machine from reaching your DHCP server, which could one of a number of things. In the first instance I'd suggest having a look at
http://epan36.blogspot.co.uk/2012/09/eventid-1001-dhcp-your-computer-was-not.html which lists several of things that could cause this error and things you can try in order to resolve it.
If none of those work, can you confirm whether you have any other machines connecting via the same method on the network, which might indicate whether this is an issue at the machine end or somewhere between the machine and DHCP server?

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~Rob

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APs unable to receive IP address from DHCP (core 6500 series switch)

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