How To Make Oneself Invisible To Ping Requests

May 24, 2011

My friend is invisible to ping requests. I know he is online because he is on my Gtalk friend's list. This is because he is using Windows 7. Earlier, when he was on Win XP, he responded to ping requests. He said that he didn't mess with the firewall settings. Therefore this feature comes default with 7.I'm using XP and I don't want to change to 7 right now. Can I get this feature?

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Way To Make My Router IP Address Invisible

Mar 18, 2011

i want to invisible my router ip.which command can do this.or how can configure registery to hide my router ip and surf safe.

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Cisco :: 1140 AP Trying To Make It Invisible And Could Not Be Detected

Feb 9, 2012

I'm configuring an 1140 and trying to make it invisable to any user that doesnt know the SSID. The SSID is not broadcast, however my clients see "Other Network" in their list of available networks. Short of turning off the AP is there any way through the 1140's configuration to prevent this "Other Network" from showing up in the clients available networks list.

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Connecting To Internet But Ping / Tracert Requests Time Out

Mar 17, 2011

They time out however I can connect to google/ect on my browser.

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersHannah>ping www.riftgame.com
Pinging www.gslb.riftgame.com [208.94.26.135] with 32 bytes of data:
Request timed out.
Request timed out.

[code].....

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Invisible PC's On The Same Network

Oct 27, 2012

I have 2 computers( 1 main system and a laptop) and a WDTV live. They are all on the same network and same workgroup. But I cant see my main computer and WDTV from my laptop's network.I can ping it but not see it on my network list. Why is that? My windows firewall is off. I use avast and malware bytes.

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How To See Invisible Contacts In Yahoo Messenger

Jan 27, 2012

How to see those contacts that they are online but they are invisible in his yahoo messenger.

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Wireless :: Router Became Invisible To Laptop?

Jan 13, 2011

My wireless became invisible to my laptop for no obvious reason while I was working on it. I thought that router has broken but it seems to work fine for other laptop in the same room and for my blackberry.My laptop can see other networks in area but not mine.The problem is that we share wireless with this office and router itself is not accessible to me. They don't want to unplug it and the plug it again or reset because of the risk for office. Doesn't seem to be my laptop's fault.I have tried a number ip adressess to access router remotely but none of them work. Is there a program I could download to access it remotely? Also, I have no idea what kind of router it is. It says BT Fusion in its name.

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WRT54G Half Of Network Is Invisible?

Jan 26, 2011

2Wire 2700HG-E-Gateway is my main modem supplied by my ISP)from there it branches off to two seperate areas.Section One consists of 2 wireless connect laptops, both Vista, and one hardwired desktop, XP. All of these can see eachother and share files, printers and run just peachy.Section Two is hardwired straight from the 2Wire 2700HG-E-Gateway over to a Linksys router, WRT54G. From this router i have a destktop computer, XP, a xbox 360, and a ps3 all hardwired into it. All 3 of these devices can find and interact with eachother. They all connect and run internet fine also.Now my question is, how can i make my section 2 units be discoverable by section one and vise versa? I have fiddled with settings in my linksys settings but i just cant get it to work. Currently the linksys is set to gateway instead of router, i thought it would be an easy fix and change it to router but when i do that i lose internet on all section 2 devices. Now i have a basic understanding of networking but when it starts getting into changing numbers and ips and subnet and that stuff i get lost.

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Cisco Wireless :: Wap 200 - Invisible Access Point

Dec 11, 2011

i have a wap 200 access point very good performing in strenght of wireless signal but also a big problem....i wish to configure it with a userid and a password but connecting my pc at the access point by ethernet cable found wiith access point and typing 192.168.1.254 to view welcome page of device and start configuration, nothing happens...it is "invisible" for my and others pc.

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Cisco Firewall :: Invisible NAT Rules (twice) Added In 8.3 For VPN?

May 31, 2011

Note If  you configure VPN, the client dynamically adds invisible NAT rules to  the end of this section. Be sure that you do not configure a twice NAT  rule in this section that might match your VPN traffic, instead of  matching the invisible rule. If VPN does not work due to NAT failure,  consider adding twice NAT rules to section 3 instead.  

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Cisco VPN :: 5.0.07.0410 On Windows 7 32bit Invisible But Functional?

Apr 3, 2012

I've had the VPN client operational on my Windows 7 32-bit laptop for many months without issue, but suddenly it became invisible.  Launching it, there is no GUI displayed.  When I click on the taskbar icon, nothing, click again, nothing.  That said, when I know it should be visible on the screen in the foreground, I can press enter and get the default connection to connect!   I can see status, log window, About, but no main window.  It's there, but perfectly transparent or something.  There is no other monitor or shadow monitor it could be hiding on, nor is it shoved off to a periphery of the display somewhere.  I have completely uninstalled and reinstalled the latest version.   I'm not aware of any display related updates to my machine.

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D-Link DAP-1522 :: DHCP Requests Thorough DAP Units?

Dec 7, 2011

I am trying out a DAP-1513 unit but there is no forum section for this? My question seems to be general and might cover the other models also.  Do the DHCP request, from the attached LAN devices on the DAP, get pass to the DHCP "server?"  

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Cisco Application :: 389 Vip Not Responding To Client Requests On ACE

Jan 4, 2012

client is unable to establish a connection to the backend servers via the vip on port 389 ,636 configured that servers are listening on these ports .even the probe is successful on port 389 but not getting any response back from the servers. [code]

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Cisco WAN :: 7206 - Stop ARP Requests On Router

May 14, 2012

We have a router (7206) which connected to client device in /30 IP segment, but this device is a switch which connected to many more devices. Doing packet capture on our router interface unravel many ARP requests whcih comes from the client switch. Is there any feature or command which we can stop this?

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Cisco WAN :: 7206 Stop ARP Requests On CE To PE Link

May 14, 2012

We have a router (7206) which connected to client device in /30 IP segment, but this device is a switch which connected to many more devices. Doing packet capture on our router interface unravel many ARP requests which comes from the client switch.Is there any feature or command which we can stop this?

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Cisco :: How Many Client Requests AP1252G-E-K9 Can Handle

Jul 17, 2012

how many clients simultaneously associate with Cisco AP 1252G.. right now when I try to connect more thn 25 rest unable to access the AP. Clients (smart phones plus laptops) are using  802.11b/g standard.

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Public IP Goes To Router Which Doesn't Pass On Requests To Server

May 24, 2012

I'm having some trouble with my P660RU-T1 configuration. I have recently set up a linux SFTP server at my home and am trying to access it via my public ip (eg 1.1.1.1), the problem is this public IP goes to the router which doesnt pass on the requests to the server.Last summer when i first messed around with this i had no problems with using the public ip to access the server, its only recently.

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D-Link DIR-655 :: How To Forward Requests To External Http-Proxy

Nov 23, 2011

Goal: To forward requests over port 80 from my LAN to an external server on a specific port, that is I would like to forward all requests over http to an external proxy.

I know that this can be done with IP-Tables, but I would like to do the same thing with my D-Link. I have looked at Advanced --> Routing, but that seems to be specifically for inbound requests. I want to do this for outbound requests. This can be achieved with the D-Link DIR-655?

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Cisco :: 5508 Controllers Not Redirecting Client Requests To ISE

Jun 5, 2013

Please find attached a simple BYOD/ISE document I uploaded to kick start my new Wireless setup. Its all configured on my ISE sever and Controller as per doc.My setup:
 
-3600 AP's
-Internal 5508 Controller
-DMZ 5508 Controller (acts as a DHCP server for wireless clients)
 
Controllers have established connectivity (mobility acnhors), as a client I can connect fine to my new SSID get a DHCP IP address back from DMZ WLC and at the moment can connect out to the Internet fine (using no WLAN Security as a test). So this part is working.I have now followed the document configured ISE, enabled AAA on the Internal WLC only and used the AAA override setting on WLAN as in the attached document.I connect to SSID expecting to be redirected to my ISE Guest Portal, nothing happens other than connecting to Internet WebPages.My question is, if I have followed this document correctly why is the Internal WLC not redirecting client requests to ISE, is this because my mobility anchors need to be re-configured, perhaps the AAA/ISE config needs to be applied to my DMZ WLC not internal WLC?
 
I would prefer the Internal WLC to redirect the login to ISE, doesn't make sense to traverse through the DMZ Firewall onto DMZ WLC back into the Internal Network again to the ISE to authenticate.Or am I missing something additionally to this document to make sure clients are directed to the ISE Guest portal login.

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Cisco Routers :: RVS4000 Stop Responding To DNS Requests

Apr 4, 2012

We have a 25Mbit connection comming in through a cable in the basement, going through a modem that is connected to a RVS4000 small buisness router on the first floor, that acts as the single NAT. Connected to that in parallel we have 4 wireless b/g or b/g/n routers of various cisco/linksys models, one for each floor, each with DHCP disabled.Over the last few months there have been some issues with the router and I'm curious if there is anything that can be done to solve them.The firmware of the router is the latest at the time of this writing, V2.0.2.7
 
1. The router will occasionally lock up and completely stop responding to DNS requests. Attempting to open a website will result in browsers giving their standard 'DNS Lookup Failure' messages. The router will also become completely non-responsive when trying to access it via its IP address (standard 192.168.1.1). No username/password dialog appears.However oddly enough IRC and other chats like skype will still work fine.Restoring Factory settings has not worked. This issue has gotten to the point where this happens about once a day. Restarting the router will fix the issue. While I think the issue may sometimes resolve itself, it could also just be one of the other people in the house restarting it manually.I'm assuming that the router is to blame here and not the cable modem in the basement or the DNS server of our ISP, mostly due to the fact that the router becomes unresponsive and won't let me log in as admin when this happens. also restarting the router, not the modem, seems to fix the issue.
 
2. The router's log is always empty Specifically I have enabled 'Output' and 'Local Log' as you can see here:

3. Issues with some people hogging bandwidth With 25 people and a 25Mbit connection each person in the house should effectively get about 125KB/s of download speed, especially since not everyone is always using bandwidth. However it can happen where one person is, often without knowing it, hogging a large chunk of bandwidth and slowing the network down for everyone, such as downloading multiple large files from different sites, streaming high-quality video, etc.I would like to know if any of the following might be possible to do with this router: See the bandwidth usage per individual MAC or IP address on the network over timeLimit the amount of bandwidth a specific MAC or IP address can use. Make the distribution of bandwidth more fair when a few people are using far more of it than other people.  
 
I have at times resorted to limiting P2P via IPS in the past, and of-course that does work somewhat, but that's not ideal. I'd much rather just know who is doing it, and specifically by how much they are slowing other people down. While the IPS page will list the IP addresses of those trying to use P2P when it's disabled, there is no way for me to really quantify how much bandwidth they'd be using otherwise, and this doesn't at all include things straight-up HTTP downloads.In any case, this router should easily be able to handle ~25 simultaneous connections, right? Are there any settings that I should make sure to enable or set to distribute bandwidth more fairly, given the setup we have?
 
4. The IPS report chart is not readable.This is a bit of a nit-pick, but the IPS report chart is basically not readable because the colors used in the key are identical in color. Can you tell the difference between the colors of 'Network Traffic' and 'Attack Counts' in the key at the top? They could have used any two colors that are at least somewhat distinguishable, even light grey and dark grey would have been better, not magenta and another magenta.

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Cisco Wireless :: How To Forward DHCP Requests Through 1140N AP

Oct 30, 2012

We have an 1140N AP connected to a switch and our "network partner" controls the router and will hand out DHCP and do the NAT for this WLAN.  How can I configure the AP to forward DCHP requests through.
 
I have WPA2 PSK (TKIP) setup and the client is able to authenticate however we fail to get an address.  In this case the Ethernet interface was left alone so it has the default config and it gets a DHCP address fine.  How can I configure this AP to enable the rest of the WiFI clients to get an IP?

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Cisco AAA/Identity/Nac :: ACS 5.1 / How To Ignore All Host Authentication Requests

Mar 17, 2011

I am using ACS5.1 connected to WLC (v7.x) and frequently see host auth requests in the ACS logs.  I am not interested in seeing host auth requests at all.  Is there anyway just to ignore these.The issue is that these will always fail.  If I enable the lock out facility within WLC and a host continually tries to auth the WLC will lock-out that mac address meaning that when the user is ready to connect with their own credentials they are unable to as the WLC is blocking that mac address from connecting to the wireless network.I tried disabling the 'process host lookup' option, but this apparently only changes the type of request to appear like a standard PAP auth request which again fails, filling up my RADIUS logs and stopping me from enabling the WLC lookout feature.So, as I say, I want to simply ignore host requests.  I have no control over the end points so am unable to go and update config etc of these devices.

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Cisco Wireless :: WLC 5508 No Further RADIUS Authentication Requests?

Mar 18, 2013

I'm working on a project where a wi-fi client is tracked and located using RADIUS authentication requests. The problem I'm running into is that the WLC (5508) sends an RADIUS authentication request to my freeradiusd, which is ok so far, but if the client roams to another accesspoint (3602AG, 1131AG, 1252AG), the WLC does not send a further RADIUS auth. request - and the client is allowed to connect to the next ap.Is there an option like RADIUS-cache which I can disable, so that the WLC sends everytime an authentication request when a client tries to connect to an ap or roams from one ap to another one?

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Cisco Wireless :: AP 1242AG Passing DHCP Requests

Jun 10, 2010

I have 2 1242AG APs setup with one SSID and no vlans configured.  The APs are connected to a switch along with my DHCP server.  Clients are able to connect to the SSID but are unable to get an IP from the server.  Clients can plug into the switch and get an IP.  If I configure a static IP on the wireless card, the client works fine.
 
Is there something I'm missing on the AP to allow DHCP requests to pass through? IPhelper?
 
Here is the AP info: AIR-AP1242AG-A-K9  12.4(21a)JA1

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Cisco VPN :: Bogus RADIUS Requests From ASA 5510 / VPN Client

Oct 30, 2011

I'm using Cisco VPN client 5.0.7 and Cisco ASA 5510 (7.4 and 8.4.2) VPN RAS solution. Clients are authenticated using certificates and AAA RADIUS (ACS 3.3) and AD.Each time, when client connects, ASA issues 2 RADIUS requests, first - correct one which is successfully authenticated by ACS and immediately - second which always fails. I couldn't find any information related to this strange behaivor. "Double authentication" feature (most likeable to its name) is accessible only to Anyconnect clients which we don't use. When I'm authenicated using group password, there is only one RADIUS request.What is the source of  such behavior?The negative impact is that my logs are filled with spurious failed auth attempts, and users are incrementig failed attemps counter in AD.
 
Debug from ASA:
----First request----
RDS 10/24/2011 16:16:01 D 0232 14884 Request from host 172.16.8.1:1645 code=1, id=22, length=145 on port 1025
RDS 10/24/2011 16:16:01 I 2519 14884     [001] User-Name                           value:  user1
RDS 10/24/2011 16:16:01 I 2519 14884     [002] User-Password                       value:  B2 A9 D0 2D 15 5F B8 BB DB 1E 3A 38 F5 24 72 B5
RDS 10/24/2011 16:16:01 I 2538 14884     [005] NAS-Port                            value:  -1072693248
RDS 10/24/2011 16:16:01 I 2538 14884     [006] Service-Type                        value:  2

[code]....

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Cisco Switching/Routing :: ESW-520-24P Not Passing DHCP Requests From AP1141

Dec 14, 2011

Cisco Small Business Switch POE ESW-520-24P with a Wireless Access Point Cisco Aironet AP1141. Both the devices are upgraded to the latest firmware.

 Connected to the ESW-520-24P is a Windows 2008 SBS 2011 with DCHP and Domain Controller. Along with the server I have a number of wired computers connected to the switch which do not have any issues and connect to the DHCP server without any problems.

 When connecting two wireless devices to the AP1141, they get the IP address and DHCP from the server; but when connecting other devices apart the first two they will fail to connect to the DHCP server and do not get any IP Address. They manage to connect to the Wireless access point but they cannot contact the DHCP server.

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Cisco WAN :: 881g 3g Cannot Find Documentation About Sending USSD Requests

Aug 4, 2011

I have Cisco 881g with 3g.I can;'t find any documentation about sending USSD requests from 3g module.is it possible to send USSD request ?

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Cisco Wireless :: 5508 - DHCP Requests Starts Failing

Feb 15, 2013

I have a school with 550 iPads.  We are using two 5508 WLCs sharing the number of APs.  The DHCP server and the default gateway for the network are on the firewall.  The clients are able to get a DCHP.  After some time, maybe about longer than a month, the clients are no longer able to get DCHP addresses.  A reboot of both controllers takes care of this.  Presently we are runing 7.2.110 OS.  I am going to upgrade to the latest 7.4.100, and reload tonight.

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Cisco AAA/Identity/Nac :: Acs Is Not Receiving Tacacs Requests From Juniper SSG140

Dec 11, 2011

I have configured ACS 5.1 and using Tacacs. I have two juniper SSG140 FW's in different subnet. Tacacs authentication is working on one SSG140 FW, but not on the other one. Tacacs configuration on both FW's are exactly the same. Both FW's have been added in the ACS server with the same shared secret key same profile etc. I don't even see the authentication requests from the FW. ACS can ping both FW's and vice versa. [code]

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Cisco Wireless :: WAP200 Not Forwarding DHCP Requests Onto Server

Feb 15, 2012

I have a Linksys WAP200 Wireless-G Access Point problem. It is SW version 2.0.4.0.  I have it configured for a small network and the problem seems to be that it is not forwarding DHCP requests onto my DHCP server.   I know that it is not a SSID or Key issue as when I give my devices static IP addresses, they communicate fine within my system.   The only issue seems to be when the devices make DHCP client requests.   I also know that the problem is not my DHCP server as it has the device's IP / mac addresses in its configuration file and other wired devices are able to communicate with it to get their IP address through DHCP.
 
I have seen that there was talk in some blogs about WAP200 no forwarding DHCP requests and I was hoping that updating the device to the latest release would have resolved the problems.

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Cisco Wireless :: Two WET200s Bridge Not Passing DHCP Requests

Dec 15, 2010

We have setup a bridge between two of our offices using two WET200's in adhoc mode.   Everything is connected fine and the signal strengh is good.   All traffic pass's over the bridge correctly but DHCP requsts/replys seem to be failing to traverse the bridge.    Our DHCP server is hosted on site A and the computers on site B fail to obtain thiers IP's from the dhcp over the bridge requiring us to use static IP's.Firmware is currently the latest.

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Cisco Switches :: SG200-18 Fails To Pass DHCP Requests?

May 30, 2013

I have a sg200-18 connected via one of the ports to my ISP's router/modem.  Using an unmanaged switch everything works as expected, but after a few days on my sg200 my two computers fail to get assigned IP's and cannot connect to anything.  I also have a couple printers that seem to have no problems getting their IP's passed through to the router as I can use them fine from my machines when connected to the unmanaged switch.
 
Is there a possibility I don't have my switch setup properly to know that all outgoing data must go to the router, or UDP traffic is being dropped somehow?

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Cisco WAN :: ASA 5505 - Forward Public Requests To Two Services With Same Port?

Mar 29, 2012

We are in a planning phase of adding another service to our DMZ.  The DMZ has a singe publicly accessible IP.  We are running Citrix inside our network externally accessible via w121eb https (443).  Another service will be added to the DMZ (Exchange/O365) requiring ADFS & and ADFS proxy also using port 443 as well.  Both services (the Citrix secure gateway & ADFS) will have separate subdomains but directed to that same IP, each with its own cert. 

Now, I guess the question is: How (if possible) can we forward the public requests to the two services that hit our network on the same port (can't change the port on either), to two separate appliances with their own internal IP's internally?Our current appliance on the DMZ is an ASA 5505.  Also could use a PIX

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Linksys Wireless Router :: Wrt600N / Filter Anonymous Internet Requests

Jul 23, 2012

I am using a linksys wrt600N with easylink advisor version 1.6.0042. I am trying to install a video camera and the instruction manual says under "known issues": LinkSys routers have a factory default setting in the firewall menu called "filter anonymous internet requests". If you want to access your camera from the internet you have to uncheck this option."I see this option in the WRT600N manual, but it references a software choice that I don't have.I have gone to the website and downloaded the latest compatible software version, and I still don't have the choice to uncheck this option.

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D-Link DIR-655 :: Create Firewall Rule To Block All DNS Requests Except To Specific Servers

Mar 3, 2011

Using a DIR-655, does anybody know how to create a firewall rule to block all dns requests except to specific servers?

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Cisco Switching/Routing :: 881 - Blocking DHCP Requests Of Windows Clients?

Nov 18, 2012

We've got 5 remote offices with cisco 881 routers, Win Clients behind them and all routers connected via vpn site-to-site to central software router.

Mostly all clients recieve ip addresses from routers in their subnets 192.168.x.024
We have Win DHCP Server in subnet 192.168.181.024
 
The problem is that some of clients,physically sutuated in 192.168.10.024 subnet, recieve ip addresses from Win DHCP server from 192.168.181.024 subnet.
 
Here's part of cisco cfg:
 
interface FastEthernet0
no ip address
!
interface FastEthernet1

[Code].....

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Cisco Firewall :: Can Configure 3560 To Listen To Relayed DHCP Requests

Apr 18, 2013

I'll start out with the fact I work mostly with Wi-Fi and not a lot in the security realm... If I plug my workstation into the 3560, my wired client adapter can get an IP address.  But the WLAN adapter will not when associated to WLAN.Usually this is not a problem since you may only have two access points on the controller and a dozen or so hosts.  In my case, however, I want to put a few of the ports on the 3560 into the same VLAN as the WLAN on the 2106 so I can give them the same guest access as the WLAN.  The hosts plugged into the 3560 get an IP address without issue from the ASA.  When I disable dhcp proxy, the WLAN clients get an IP address, but then the APs cannot get an IP address from the internal DHCP server on the WLAN controller, and  cease to function when rebooted since they cannot get to the controller without an IP address.
 
Any way to configure the ASA to accept the modified DHCP packets from the WLAN controller?  It appears to me that the ASA is not able to accept DHCP relayed packets.

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Cisco WAN :: 2800 Setup Router To Resolve Both Internal / External DNS Requests

Jun 3, 2012

I have a 2800 with one Gigabit interface connection to our Lan and the other interface connected to the internet with a public IP address. Now I'd like to setup the router to resolve both internal and external DNS requests. Thus requests like www.google.co.za and LocalLanPcName should be resolved to their public and private IP's respectively. [code] When I ping any name the only DNS server that is ever queried is 192.168.1.200 (it does resolve internal name correctly though).

None of the other servers are attempted to resolve the name. It does not matter if I specify a FQDN or not.
 
How do I setup the router so that my internal resolution is handled by 192.168.1.200 and .201, while external resolution is handled by 41.160.36 and .37. Or alternatively, how do I configure it to at least try all 4 specified name-servers for resolution, and not fail after trying the first one unsuccessfully.

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Cisco Wireless :: WAP4410n Access Points Not Accepting Join Requests

Jul 5, 2012

I have 5x WAP4410N Cisco access points, the wireless is not responding to join request from wireless clients and i can only access the admin page from the LAN side. 

reboot does not work the only way to make it accept join requests is by changing parameters in the AP and save it, it will work for few hours then stops again. 

I cant seem to be able to open a TAC case.

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Cisco Switching/Routing :: 3560x / Block DHCP Requests Over VLANs

Jan 10, 2012

I have two 3560x Catalyst switches setup between two different locations. They link via a PTP line (Layer 2). I have setup Intervlan routing between the switches and that works fine.Each location has a separate subnet and a Windows DHCP server for each subnet.I want to block any DHCP requests to be sent from hosts on one subnet to the DHCP server on the other side (i.e across the PTP link) What is the best method to do this?

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3750 - Craft Helper Addresses So DHCP Requests Go To Proper Server

Dec 15, 2012

Setting up a stand-alone WDS/PXE server.Current we have helper addresses setup to forward the DHCP requests from the different VLAN's to the DHCP server. The WDS/PXE server we are setting up is on its server. How do we craft the helper addresses so DHCP requests go to the proper server hosting DHCP and PXE requests go the WDS server?

Everything I seen on Microsoft Technet, lists using Helper Address as the recommended way, but assume both services are on the same server. Our helper address is as follows on each VLAN interface in router: ip helper-address X.X.X..This is a Cisco 3750.

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Cisco Application :: ACE 4710 Giving Mangled Http Requests In Apache Access

Oct 21, 2012

After replacing a Cisco CSS/SSL  Accelorator and PIX firewall with an ACE 4710 to do load balancing and  SSL encryption behind an ASA firewall we started seeing mangled HTTP  requests in the Apache access logs for the servers in the server farm. This is occurring for several different URLs and not just the one above and for multiple web browsers.The ACE load balances to servers running Tomcat 7 with Apache HTTP server v. 2.2.14. A recent ACE software upgrade to A5(2.1) has not fixed the problem.

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Cisco Switching/Routing :: 3500XL / DCHP Requests Blocked Inside VLAN?

Jul 7, 2012

i have several cisco 3500XL switches with trunking. I created a VLAN lets say 20 which purpose is for wireless clients. I installed wireless controller with 4 APs and controllers sees all 4 APs. Controller is also DCHP server. When wireless client authenticates it's DCHP requests in not getting to DHCP server (controller). If i connect all equipment in non managed switch everything works.

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