Cisco Wireless :: Aironet 1130 - DHCP Request Does Not Have VLAN Tagged
Dec 14, 2011
We have a Cisco Aironet 1130AG Wireless AP (firmware 12.4) and have a guest wireless network (internet only) and corporate wireless network configured on it. They are kept separate by having different VLANs assigned to them. When a laptop connects to the guest network I see the DHCP request go out and it is tagged with the correct VLAN. The problem is when a laptop connects to the corporate network I see the DHCP request go out but there is no VLAN tagged on the packets. This causes a problem because both of our DHCP servers (on VLAN 1 and 3, remote DHCP servers no DHCP running on the Aironet [Doesn't seem like this version has a DHCP server]) are sending responses and sometimes the corporate user will get an IP address on the Guest subnet.
Our corporate network is setup on VLAN 1 which is configured as the Native VLAN on the Aironet. Will this cause the Aironet not to tag these packets with any VLAN information? Any other thoughts as to why it isn’t tagging these packets to a VLAN?
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May 12, 2012
I convert IOS Cisco AP 1130 LAP to 1130 Autonomous mode. Well, the periphericals - clients connect to SSID AP no recieved I.P Adress, I think that is not possible active option DHCP server in AP 1130 dispositive. In mode I.P static clients the connection is established successfully.
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Dec 17, 2012
how to change our wireless setup. Currently, we have 2 Cisco AiroNet 1130 WAP's in the office that go directly into the 2 POE ports on our Cisco ASA 5500. These WAP's have 1 SSID and are using WEP for security. After demonstrating the flaws of WEP to my boss, he has agreed that we should use something more secure and I've suggested WPA. We want visitors to our office to be able to hop on our wireless but on a separate guest SSID with WEP.
I'd like the internal SSID to route to the ASA and take the default route to the internet (it will be our new fiber connection once it's installed in a couple weeks). The default route is whichever connection is working since our ASA 5500 will fail over when it detects an outage.
I'd like the guest SSID to route to the ASA and then go over our existing cable connection. This connection will be our backup once the fiber connection is installed. Since we won't be using it very often, but will be paying for it, I advised that we send all guest wireless traffic over this connection since 50/5 is plenty for guests.
The current SSID (which will be the internal SSID) has no VLAN. We do currently have a few VLANS on our network, one for voice (.42) and one for data (.100) and the default (.0). What device to I create the VLAN on (Cisco 5500?) and how to I setup the WAP? I need very basic instructions to start and I'm also trying to do this without causing downtime if possible.
I've attached a diagram of what it should look like. Red indicates our internal network and Blue indicates the guest network. I can send screenshots as well.
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Aug 13, 2012
I have the problem that the AP1130 can not join to WLC2504.
Console Messages of AP1130:
*Aug 14 09:34:54.029: %CAPWAP-3-ERRORLOG: Go join a capwap controller
*Aug 14 09:34:54.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 192.168.x.251 peer_port: 5246
[Code].....
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Mar 6, 2012
We are trying to setup a WAP4410N with 2 SSID's. One SSID for our private network and the other for guest internet access. On the VLAN and QoS page there is a setting for priority. What would be the suggested values for this setting? We obviously want our private network to receive priority over our guest network.Also, does VLAN Tag setting need to be on Tagged to determine private from guest traffic?
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May 27, 2012
I find much document, but not found information about whether those support for IPv6 e.g. dual-stack like newer series.
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Sep 14, 2011
I just received a Cisco Aironet 1130 AG wi-fi router to configure and when I entered the router through console, I am not able to get into config mode. It says:
[code]....
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Jul 13, 2012
My wireless users are loosing the internet(http and https) connection many times per day. I just check the ports configuration in the switch, but The problem persist. The device is a Cisco Aironet 1130 AG.
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Dec 7, 2010
I am trying to roll out a new internet router. The problem I am faced with is the LEC only supports VLAN 1227 and greater, specifically they are assigning me VLAN 2528. I am able to create the sub-interface and setup dot1q encapsulation for VLAN 2528, but the vlan database does not have the ability to add VLAN 2528 to it so I am unable to get layer 2 up and going, thus preventing me from getting the implementation done.
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Feb 12, 2012
I have a sf300 with (2) vlans (1) ] vlan for data and vlan (100) is my voice vlan I have Vlan (100) tagged traffic, and my VoIP pbx as an access port only to vlan (100) all other ports are trunk ports with vlan (100) tagged and vlan (1) untagged traffic. I get no outbound audio on calls I can call out hear them fine they cant hear me. I am wondering if my tagged traffic leaving the phone is being striped and if so were. I have CDP turned off.
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Dec 7, 2011
i have a Catalyst 2960S since 2 days. I am a new user, i like to configure the switch! my first problem is: i have 2 v LAN vlan1/24 and vlan200/24. I'd like to config port1 to be tagged on the 2 v LAN i know from hp port must be tagged. how can i config port 1 to be tagged on vlan1 and vlan200? and port 2 to be untagged in vlan1 and untagged in vlan200?
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Jul 21, 2011
I need to configure SNMP on our company Aironet 1130. I am told there is a tool we can use that will allow us do the configuration from a PC vs connecting directly to the device.. If that is true, where can I download it?
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Feb 17, 2013
i' ve got 2 cisco 1130 AG AP's , i want both of them to broadcast 2 ssid's per AP, i've done so far but my clients cannot get a ip adress from the dhcp server.
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Jun 12, 2011
I have CISCO Aironet access point C1130 , but not able to connect by users, I can see below logs from access point.
Jun 13 17:50:10.686: RADIUS: no sg in radius-timers: ctx 0x10653F8 sg 0x0000
Jun 13 17:50:10.686: RADIUS: Retransmit to (20.33.100.11:1645,1646) for id 1645/247
Jun 13 17:50:15.678: RADIUS: no sg in radius-timers: ctx 0x10653F8 sg 0x0000
Jun 13 17:50:15.678: RADIUS: Retransmit to (20.33.100.11:1645,1646) for id 1645/247
[Code] .....
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Sep 14, 2011
I just received a Cisco Aironet 1130 AG wi-fi router to configure and when I entered the router through console, I am not able to get into config mode. It says:
AP588d.09a7.93e4#conf t
^
% Invalid input detected at '^' marker.
Also,
AP588d.09a7.93e4#sh start
startup-config is not present
Also, this is what I see in my flash:
AP588d.09a7.93e4#sh flash:
Directory of flash:/
3 -rwx 217 Mar 01 2002 00:07:10 +00:00 env_vars
4 drwx 128 Jan 01 1970 00:02:03 +00:00 c1130-rcvk9w8-mx.bin
I need to configure this device and set up for wi-fi access in my organisation network.
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Sep 27, 2011
We have an aironet 1130ag in a remote office connected to the data centre over MPLS. The Radius server is based on server 2003.We have hundreds of these points set up exactly the same but this is the only one giving me issues, I even stripped the config and rebuilt it and then swapped with a new access point
The issue is that clients can't authenticate when connecting to the access point but provides nothing in event viewer. Checking the RADIUs server provides nothing either.The access point error logs just state station: authentication failed
On looking deeper into the problem I enabled RADIUS debugging on the access point and got some interesting results, in particular is the line:
no sg in radius-timers: ctx 0x12EF0A4 sg 0x0000.I can't find out what no SG in Radius-timers actually means, but after that line appears I just see more retransmits and no sg fails.
I inspected the packets on the RADIUs server and found lots access requests coming from my access point and lots of access-challenges returning back from my RADIUS server - I'm not sure how often that's supposed to happen or if it's a one time occurance. I did however see directly after the first access-request that the RADIUS server returns with UDP and is fragmented, length is 1514...... could this be the problem? If so why cannot it hanlde fragmented packets?
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Mar 14, 2013
I have Cisco 1131 & 1300 Light Weight Acces Points and I have 5508 WLAN controller. If i enable the wlan controller internal DHCP Server can this access points will work with this internal DHCP server or do i need to configure DHCP option 43 for these access points? Can these access points works with LWAPP or do i need to configure CAPWAP?
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May 31, 2012
We have two WLC's 5508. Following are its interfaces & details:mgmt 10.49.5.251 on wlc1 & .252 on wlc2 access p 10.49.6.251 on wlc1 & .252 on wlc2 there is no AP manager interface seen on both wlc's nor configured. both wlc1 & wlc2 are connected each to two switch ports, configured as normal trunk link each.LAG is enabled on both WLC's.
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Jun 26, 2011
I have some 1130AG access point and I'd like to have :
- Multiple broadcasted SSIDs (because most of my clients are OSX and OSX doesn't deal with hidden SSID at all ! the clients have to enter the data each time which for WPA2 enterprise is really annoying)
- Dynamic VLAN assignement (so my clients don't have to know to which VLAN they belong and so I can easily change them from one to another).
As it turns out, it's apparently not supported to have both. But I can't understand WHY ? What exactly is the relation between those features ? What's the underlying technical constraint ?
I can understand the cipher suite must match between all the dynamic vlan because of the way wlan works, but for this, I really don't see what the problem is ... (Especially since I only have one of the SSID that needs dynamic assignement, the other is really the 'guest' one).
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Dec 15, 2011
I am struggling with the following issue. I have 6 1130 Accesspoints in lightweight mode connected to a 2106 wlan controller which runs software version 7.0.98.0. Everything seems to work fine. Clients can connect to the wifi network. However, they don't get an ip address from the dhcp server which is on the same subnet as the wlan controller. See attached screenshots for configuration. I have also tried the internal dhcp server of the wlan controller, but the same problem remains.
The logs says: Dropping primary discovery request from AP e8:b7:4x:xx:xx:xx - maximum APs joined 6/6 There are 6 AP's connected
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Jan 18, 2013
I'm trying to relace my isp modem by a cisco 877 adsl router..
The internet part is already done is working fine... however... there is also an seperate pvc for the voice part.
The pvc is working with the MER protocol... the thing now is... when i'm trying to get an ip address by dhcp on the sub atm interface nothing happen..
I did an debug dhcp detail and see that the router is first sending correctly an dhcp discover,the isp is replying to this with an dhcp offer i see my ip address,subnet mask and gateway addresses however.. the router isn't replying anymore with an dhcp request... so nothing happens anymore..
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Jun 26, 2011
I have an ASA 5505 with software version 8.2(1). It is making DHCP requests for IPSec clients that connect to the ASA. The DHCP requests packets the ASA makes have an extra '00' appended to the hostname field, and the length field is the size of the hostname + 1. The DHCP server is Microsoft Server 2003 and this causes the hostname to be registered with an unknown character which appears as []hostname. Then when server 2003 tries to update the DNS record, it fails because of the invalid character in the hostname. Is there anyway to have the ASA have the correct length for the hostname field in the DHCP packet, or a workaround that will solve this problem?
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Oct 15, 2011
I have reinstalled windows 7 on my Toshiba laptop, I have my wireless set to automatically connect, I have excellent signal strength and have another pc connected to wireless router, but my laptop does not capture IP addresses. I tried renew command but got message unabl to contact your DHCP server, request timmed out.
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Dec 16, 2012
We have 6 aironet 1140's throughout the office I have them all configed as one ssid but I would like the DHCP to come from our Windows server. Right now I have set them up with ip dhcp pools. So what is the secret to get them to send dhcp requests to the Windows server?
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Jun 6, 2013
I have to configure DHCP on Aironet 1100 WAP so wireless client will get IP address through WAP. I tried all the option mentioned in Document but nothing is working.
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Jul 1, 2012
We have 12 - AP-1231G access points in our warehouse with 2 SSID's, both on different VLAN's. We would like to set one of the VLAN/SSID 's to use DHCP from a windows DHCP server.Is this possible to do with option 43 or is that only for lightweight AP's ? Sho ver: Cisco IOS Software, C1200 Software (C1200-K9W7-M), Version 12.3(8).
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Jul 3, 2011
I've been having problems connecting my laptop to the internet through wireless. When I plug it in with a cable it works fine. I also know my wireless works fine because i have other things attached to it. When I try to connect it says limited or no connectivity, but the signal strength is excellent. I have tried to repair the problem but it then tells me it cannot renew my ip address. I've also tried the ipconfig /release then renew, and thats when it says about my DHCP.
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Feb 22, 2013
Version 12.2(33)SXI
int vlan 1
description client vlan
ip vrf forwarding A
ip address 10.1.1.1 255.255.255.0
standby 129 ip 10.1.1.2
standby 129 timers 1 4
standby 129 priority 105
standby 129 preempt
ip helper-address 10.1.2.20
[code]....
dhcp requests are not making it to the dhcp server SAME VRF (ip helper-addres is not doing anything.....)extended vrf traceroutes on udp 67 sourced from vlan2 are fine
I am expecting udp unicast packets on port 67 "giaddr" relay packets on the DHCP server generated and sourced by the relay on Vlan1
eg. Mar 1 01:59:06.731: DHCPD: setting giaddr to 10.1.1.1
This exact setup works in our preprod environment with the same code.Only difference is we run Distributed etherchannel on the 6500's where this doesnt work.
Wireshark on the client I can see the requests being sent Going to check it with debug ip dhcp server to check the relay logs out of production hours.
I have seen so many people say it IS and ISN'T supported on this version of the code.e.g. [URL]
I am aware the helper-adddress should inherit the vrf of the interface ip helper-address vrf command is not supported.The fact it works in the PP environment.... could this be due to the Distributed EtherChanel difference? or just some bug....
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Jan 20, 2010
The 1130ag was the LAP model but I upgraded it to run in autonomous mode. My understanding is that it cannot assign IP addresses but I just want that confirmed. It is not connected to a WLC nor a server that can do DHCP.
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Aug 17, 2011
I'm setting up a Cisco Aironet 1141 (standalone mode, AP) to handle wireless traffic in the office. It gives out 2 mbssids, one of which authenticates domain users through a RADIUS server and places them in an appropriate VLAN (RADIUS options 64, 65, and 81). The other is a guest ssid that uses WPA-PSK and places users in the restricted guest VLAN. Physically, the AP is connected to a 3750 PoE Catalyst, to which RADIUS and DHCP servers are also connected. AP, SSIDs, RADIUS and EAP authentication all work. The configuration given below is a working configuration. People do get authenticated and do get placed in the appropriate vlan. The problem is that, once authenticated, the "Obtaining IP Address" phase on the client hangs and most clients timeout without getting an IP address. Given that the DHCP server is on the same switch and a test simple ASUS Wi-Fi IP gives out the same scenario (except the multiple VLAN) at the speed of light, I don't think that it's a problem with the network connections between clients and the DHCP server. After reading some topics here, I realized that probably other communication will be extremely slow, as well, but haven't tested that for sure. Clients are all non-Cisco - smartphones, notebooks, etc. Most of them are 802.11G, not N.
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Apr 2, 2013
I have just setup a new WLC 2504 controller to manage a WiFi service that will span 6 geographic locations. The local networks at each location are on different subnets (all 192.168.x.x) and are linked up via IPSEC VPN links, and there is Active Directory spanning the sites, with DNS and DHCP servers running at each location.
I tested the WLC at our main office with a single AP, and it worked fine. The AP set itself up, and wireless devices connect with no probs. Great! Yesterday I headed out to one of our remote sites, and connected an AP to their network - and that seemed to work fine too. Within a few minutes I was able to see the WiFi network I'd setup, and my smartphone connected to it straight away (as I'd rpeviously connected at the main office), so I was pretty happy that all was working well.
This morning however I've had notification that wifi performance at the remote site isn't great. I've got someone to check their ip address, and I've found that their IP address and default gateway match the LAN at the main office where the WLC is based - NOT the LAN where the wireless client is. Obvioulsy this is not ideal!
(I guess I HAVE done something wrong!?). And how can I get wireless clients at remote sites to pick up an IP from the DHCP server at THEIR site?
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Mar 20, 2012
WiSM WLAN Service Module WS-SVC-WISM-1-K9 in 6509e running VSS IOs s72033-ipservicesk9_wan-mz.122-33.SXI2a.bin having trouble to get the IP from service-vlan DHCP.The pertinent config is as follows.
!
vlan 300
name WiSM_Service_Vlan
!interface Vlan300
description *** WiSM Service-Vlan
ip address 192.168.200.1 255.255.255.0
[code]....
The service IP is supposed to have been populated with an address from the dhcp pool. I am also unable to connect to it by doing a session switch 1 slot 4 processor 1. I get the following upon attempting to do so:
HO2NET0001##session switch 1 slot 4 proc 1
The default escape character is Ctrl-^, then x. You can also type 'exit' at the remote prompt to end the session Trying 0.0.0.0 ...
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Aug 8, 2012
My problem, in a nutshell, is that clients do not get an IP from an external DHCP server when connected to a guest VLAN.
My current setup is:
Native VLAN 1 (192.168.2.x)
2008 DHCP Servers
2504 WLC
[Code].....
The guest WLAN just uses WPA and a PSK and is set to interface vlan101 There rest of the 2504 config is default.
The ports that the WLC and APs are connected to are tagged on the correct VLANs. (is that even necessary for the AP now?)
Ive changed the interface config around a hundred times now with no luck. No matter what a client will not get an IP.
Could this be due to the 2504 and ASA both acting as DHCP relays? Ive tried setting the IP of the DHCP on the dynamic interface to many different things with no luck.
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