Cisco Routers :: RV220 Host Name Resolution LAN / WLAN Stops Working?
Sep 11, 2011
I'm running a Windows Server 2008 R2 connected via cable to my RV220. The server is hosting several websites running in separate virtual machines. These websites are accessible through a reverse proxy set up on the 2008 R2. In addition the 2008 R2 provides access to storage over Windows file sharing (client backup, file sharing ...). Most of the clients are connected via wireless.My problem is that after some time (~24h) I lose the connection to the services provided by the 2008 R2 server as a result of (host) name resolution has stopped working. This only happens for wireless clients. Wired clients are not affected.To give more details: Network clients connected via wireless can't see clients connected via Ethernet and the network shares are not accessible anymore (even by putting in manually "\hostnameshare", but "\[IP address]share" still works). Being connected via Ethernet the communication between client and server works flawlessly - the server appears immediately on the network device list. The other way around is also not possible: the server can’t see clients connected via wireless. The reverse proxy is still accessible through wireless connection by putting in the IP address, e.g. "http://192.168.1.123/homepage" but "http://hostname/homepage" won't work.A restart of the router will fix things but only for the next couple of hours.
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Sep 23, 2011
My RV220w has a problem with DNS. I have configured the device for my network, but it seems as though DNS is not working correctly. For a background, I have a primarily Windows environment in my network, W7 PCs. I use homegroup to share files/printers amongst them. I like that I can type "\<server-name> in the Windows search box, and up comes the other computer's files. This functionality is still there with the RV220w, so that's not my issue. My problem arises when attempting to type "<server-name>" into the Remote Desktop Connection dialog box. I can no longer RDP to my other computers by name. Attempting by IP does get me there.
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Jun 4, 2013
With my current setup on the 5508 controller, I don't have the ability to see any name resolution for wireless clients. I'm wondering if there is some way that I can enable this.
The reason I think this should be pretty easy is because if I enable the access point feature of a smart phone (Android or iPhone), when a client connects, it shows the client name on the smartphone. What's different about how a smartphone sees the wireless client and how WLC/WCS sees it?
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May 15, 2013
I have a Dell Studio PC with a Dell Wireless 1397 WLAN Mini-Card. OS is Windows 7 with SP1. Intel Core 2 Duo T5800 2.00 GHz
In general I have no problems with my WIFI with simple browsing and most of my routine activities online. But any time I stream video (like youtube), music or download a large file, my WIFI spontaneously turns off. I need to either restart the computer or put the computer to sleep/wake it up for the WIFI to work again.
I have the latest drivers for the Wireless card. I scanned the forums and didn't see this problem reported elsewhere. I realize this is an old computer so I may have to install an external wireless adaptor, but I wanted to ask around before doing so.
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Aug 7, 2011
I just purchased an E2500. I have a small home network dominated by Mac and Linux boxes, with an occassional Windows machine. On my previous router I had been running OpenWRT.
One of the nice features of DNSMASQ is that it will do local name resolution from the /etc/hosts file on the router. Is there anyway to turn on similar features in the E2500? I have a NAS box and a networked printer that require local name resolution. I had hoped that I could just create a DHCP reservation for them, and that the router would resolve their names for other hosts on the network. This does not appear to work.
Should I just be boxing this thing up and returning it in favor of a unit I can flash better firmware on to?
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Apr 2, 2013
Router reboot often. I have rebooted the device to factory default almost twice without success .
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Aug 23, 2012
Recently I have switched from DSL to Comcast Cable. In the PPoE settings you can disable DNS from ISP. However, now since I have to use DHCP I cannot disable the DNS from ISP.If I change the DNS on the LAN or change the DNS in my adapter properties (in local machine) this makes my Brother printer loose connectivity.How can I get the openDNS servers on the WAN side of the RV220?I do not have a static ip address from Comcast either....
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May 3, 2012
Is it possible to configure DHCP option 150 on the RV220? I have a Cisco 7940 IP phone that is trying to connect back to my office. The VPN is up and I can ping the relevant server but I can't see any way to configure the DHCP option.
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Apr 1, 2012
When my RV042 is accessed for long transmissions (svn check out, usually after 20 minutes ) the client receives a message "Gateway not responding, do you want to wait".
When this happens I see the following in the RV042 system log (the first 3 lines of the log below are normal):
Apr 2 17:36:53 2012Connection AcceptedTCP 192.168.2.2:8888->192.168.1.5:50046 on ppp1Apr 2 17:36:54 2012Connection AcceptedTCP 192.168.2.2:8888->192.168.1.5:50046 on ppp1Apr 2 17:36:54 2012Connection
[Code]....
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Aug 12, 2011
We bought an RV042 at the end of June. It is used as a gateway and VPN router. DHCP server is disabled and all IPs are configured manually.Every once in a while (Tuesday night, then Friday night - yesterday, it has hapened once or twice before that) the router appears to restart (see log below) then comes back up with system time of Jan 01 2010. At this point the router will no longer load its configuration page (https://10.29.238.197:16443/) and VPN connection to our customer in Africa drops. However, devices behind the router can be reached and can access the internet. The only way to fix this is to power cycle the router at which point everything starts working flawlessly again.The PID VID is RV042 V03 running firmware v4.0.3.03-tm (May 12 2011 21:27:37). Our RV042 is a newer one with Cisco SMB Router branding not the older Linksys branding.
From the log when the router reboots:
Aug 12 22:38:42 2011VPN Log(g2gips0) #141: retransmitting in response to duplicate packet; already STATE_QUICK_I2Jan 1 01:00:05 2010System Logheart : System is upJan 1 01:00:13 2010System LogWAN connection is up : 10.29.238.197/255.255.255.192 gw 10.29.238.225 on eth1Jan 1 01:00:15 2010VPN Log(g2gips0) #1: [Tunnel Negotiation Info] >>> Initiator Send Main Mode 1st packet
I looked at the log more and all the usual messages assosciated with VPN being established are there - the last thing in the log before the router coming back up again is:
Jan 1 01:03:49 2010VPN Log(g2gips0) #4: [Tunnel Negotiation Info] Quick Mode Phase 2 SA Established, IPSec Tunnel ConnectedJan 1 01:03:49 2010VPN Log(g2gips0) #4: [Tunnel Negotiation Info] Quick Mode Phase 2 SA Established, IPSec Tunnel ConnectedJan 1 01:03:49 2010VPN Log(g2gips0) #4: sent QI2, IPsec SA established {ESP=>0x575a01c0 <0x6534ae4e
So it even claims the tunnel should be up but I can never reach anything on the far side.
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Oct 25, 2011
I am using a RV110W with the latest firmware 1.0.1.6 I have some port forwarding configured, which normally work. But sometimes, all port forwarding stop working. Everything else continues working normally, just all port forwarding don't work any more. I tried disabling the port forwarding and enabling them again, this doesn't work. Also disabling the firewall completely does not work. You have to reboot the router, then everything works fine again. When I make a portscan from outside with a "fresh" started router, the forwarded ports are open. When the error occurs and I make a portscan from outside, all ports that should be open (and have been open before) are closed.
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Jan 30, 2013
Using a 4948E switch with FastEthernet1 as the management interface which uses the VRF mgmtVrf. I cannot get DNS resolution to work for some reason.
I am using code enterprise 15.1-2.SG and here are the relevant config snippets:
ip domain-lookup source-interface FastEthernet1
ip domain-name domain.com
ip name-server 4.2.2.1
[Code].....
I read online there are some commands in a different code that support specifying the VRF along with the name servers, but I don't have those options. All I can do is set the source-interface on the domain-lookup command.
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Jun 4, 2013
I have a RV042 router on a single WAN and an internal LAN. I have configured port forwarding as follows: HTTP[TCP/80~80]->10.0.0.6HTTPS[TCP/443~443]->10.0.0.6IMAP[TCP/143~143]->10.0.0.5IMAP SSL[TCP/993~993]->10.0.0.5SMTP SSL[TCP/587~587]->10.0.0.5
Everything works just fine when I have the firewall DISABLED. However, when I enable it the behaviour is erratic. 1 out of 10 attempts to connect to ANY port forwarded works. Almost all attempts time out. Notice that this happens even if using only the default firewall rules (which should be bypassed by the port forwarding as I read in other posts).
My second try was to create firewall rules manually, overriding the default ones. I tried adding rules from source WAN1 (where my connection is) to ANY and to SINGLE IP's on every port. Nothing seems to work.
I don't know what I'm doing wrong, this is really bugging me. I had to turn the firewall off so we can access our servers from outside the office. This shouldn't have to be done.
Just found out that my firewall is getting LOTS and LOTS of Blocked - SYN Flood entries. I think this is why we are having trouble with the firewall. Could this be the problem? I have no idea where all these SYN packets are coming from since they appear with spoofed IPs or come from different bots all over.
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Dec 28, 2012
My OS is Windows 7 and I'm trying to setup my wireless g gaming adapter (F5D7330 v.2) and the install software continuously stops working once it says to plug in the adapter into the AC wall outlet.
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Dec 1, 2012
This is the RVS 4000
Firmware version 1.3.3.5
STAR 9202 Chipset
64 MB DRAM
8MB Flash
DOS, Block WAN Rq, Remote mgmt all OFF
IPSec Tunnel none used
[code].....
Every day or so the Router becomes unresponsive to the HTTP mgmt interface, as well as it no longer offers DHCP services.then this happens the only remedy is to power reboot.
Everything comes back online just fine, however, the LOGS are initilaized so no data to figure out what`s going on.My next step is to setuo a syslog server and have the logs copied out.( No, I have no Torrents running at all, but I do have several devices like AppleTV, PS3s etc that run streaming Video plus I have the SPA3102 )
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Sep 17, 2012
I have an out of the box configured RV220W and was wondering if it supports local DNS resoltuion for DHCP addresses it issues. I have a few reservations and a custon search domain configured ('local') but it will not resolve a name fromt the terminal using the search domain (see below):
It resolves freenas but not freenas.local.
macbookair:~ brantwinter$ dig freenas
; <<>> DiG 9.8.1-P1 <<>> freenas
;; global options: +cmd
[Code]...
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Oct 29, 2012
We use a WLC4112 controller with a number of AP1010s. My controller is uplinked to a 4500, which is then connected to a number of 2950s and 4000s, which are where the APs are connected. All switches, as well as the WLC, are connected together using gig fiber, configured as trunk, with no trunk allowed VLAN restrictions. We operate a guest network on VLAN 4 (192.168.14.0/24), which aside from the internet gateway (192.168.14.3), provides a couple other services:
dhcp (192.168.14.50)
print (192.168.14.49)
The gateway is connected to a copper port set to access vlan 4. The DHCP is provided via an Intel nic configured for vlan 4 (among others). The print is a Hyper-V virtual NIC set to vlan 4. There are also hard-wire ports that access this network in various parts of the building, all as "switchport access vlan 4." I have a "guest" network set up on the WLC, operating on dynamic port "Visitor", vlan 4 (192.168.14.48). My wireless clients get an IP from my DHCP server, but cannot ping (or otherwise communicate with) any hosts EXCEPT the gateway (192.168.14.3), so they can get on the Internet without issue. The WLC itself can ping any of the aforementioned wired hosts, and all of the wired hosts can ping each other and the WLC. It is only the wireless clients that refuse to communicate with anything except the gateway. There are no routers in this network apart from the default gateway, this is a basic /24. All hosts are masked at 255.255.255.0. The wireless clients get an IP from 192.168.14.50, though they cannot ping it (but again, everything wired can).My other wireless network, the "corporate" network, does not display this behavior, everything can ping everything.
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Apr 24, 2013
i have a 876 Router, connected to the Internet and a VPN. From inside i would like to pass all traffic destinied to 192.168.0.0 255.255.255.0 to the VirtualPPP IF and al the other to the Internet (vlan2) I have created this rule, but after applying ist works only for about 30 to 60 seconds. after that only the Internet reachable. Everytime i do a clear ip nat trans * both Interfaces will work für 30 to 60 secs again...
This is the relevant part of the cfg
ip nat inside source route-map Di1 interface Virtual-PPP1 overload
ip nat inside source route-map VLAN1 interface Vlan2 overload
!
access-list 1 remark CCP_ACL Category=2
[Code].....
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Mar 5, 2012
I have a cisco asa 5010 where, during the process of configuring, the outside ports become down/down. The /0 port won't even reactivate after cycling power on the unit.Port /1 is the inside interface and it is not affected by the problems.I switched the outside port to port /3 and it worked for awhile then it stopped working. I switched it to Port /2 and the same thing.Port /2 and Port /3 are on after a power recycle but shut down completely (down/down) during the reconfiguration. It seems like a hardware failure, but I'm wondering if it could be anything else.
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Jul 19, 2012
I recently setup a site to site vpn between a asa 5510 and router 1921. It was working great all night and this morning. When traffic stopped rolling through for a few hours the tunnel shutdown. I checked the router using cisco configuration and tells me the tunnel is up. When I check the asa it does not show up in the active tunnels. Any know what would cuase it to drop? and if so what can I do to avoid it.
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Jun 8, 2011
i've an Cisco ASA 5510 with Security Appliance Software Version 8.0(2), in this ASA i've many L2L tunnels to this ASA, anda sometims new tunnels can't connect, the older tunnels still ok and working, yesterday this situation occured again and i've tried to clear all ipsec tunnels and try to reconnect again no one cames up again. At the time of this situation memory usage was about 78% and CPU is was around 5%. I've made a reload without changes and the situation returns to the normality.
At the time of the fail i've collect the outpu from debug crypto isakmp 255, the outpu was in the annexed file.
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Feb 5, 2013
I find are steps to turn on SSH access. I have quite a few customers with ASA5510's installed. SSH is set up and working fine on every one. After a period of time, you are no longer able to SSH into the firewall. Using Putty, it just sits there on a blank screen without giving a "denied access" message or a login prompt. Rebooting the firewall will solve the issue and SSH access works again. Today, I had a customer with and active/standby configuration where I had to reboot both of them to be able to log in. Most of my customers are on 8.2.software as most don't want to reconfigure for the new NAT, etc.
I'm sure others have seen this before since it appears to be occuring on almost every ASA that I have access to. Is there any fix to eliminate this or is there something that can be run from the ASDM that will grant SSH access again without just doing a reboot?
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May 17, 2011
I have a problem with configuring brach router 891 (with IOS v15.0(1)M).I want to connect to HQ via EasyVPN connection (split-tunnel) and allow the local traffic to go directly to the Internet via NAT (PAT).When the VPN connection goes up, NAT stops working and NAT translations don't appear in show ip nat translations. When the VPN connection goes down, NAT begins to work again.
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May 31, 2012
I have successfully set up a pptp vpn from my new rv220w. I have also successfully logged in using 2 seperate laptops and also my iPhone. They all work great. There is one issue. When connected and I log into the router it does not show these laptops or iPhone as being connected to the vpn. There is two spots that its supposed to show the page refreshes and shows nothing connected. Is there a setting I am missing?
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Mar 8, 2013
I have a Asus n55s. The wireless acts very funky. It sometimes disconnects and stops working. Sometimes, it will stop detecting any nearby wireless networks altogether. Then I have to enable and disable the wireless functionality until it starts seeing nearby wireless networks.
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Feb 5, 2013
I've been having this problem with my laptop's wifi for a while now and it's been getting a little out of hand lately that I can't deal with it anymore. I asked some friends and they seem to have the same problem too but not nearly as often as I do. Every so often, my laptop's wifi just stops working so I turn it off and then turn it back on and it starts working again. My friend says it happens very rarely to him but for me just today it happened 2 times within 10 minutes
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Oct 14, 2011
I'm having is that every few hours my TCP/IP protocol stops working. The modem lights remain normal but I can't connect to anything. The only thing that works on the internet is traceroutes at the command prompt which function normally. The solution is that I have to reboot and then everything returns to normal until a few hours later when it happens again. There are no error messages on any of my browsers. The page just goes white immediately. When I try to retrieve my email, I get a message about the TCP/IP isn't working.
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May 2, 2012
I've got the same problem on my wife's Acer One 532h. Did it get resolved for you, Adrian and if so, how?
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Mar 23, 2011
On Windows XP, my integrated NIC stops working after hosting a server. The server starts fine, ports are forwarded, firewall is down, modem is fine, but when I receive a connection, it shows they have made a connection, but then they drop, as do I. I can't browse or ping anywhere. I have to physically disconnect, then reconnect the ethernet cable to the port, or restart the computer. Upon ipconfig, the adapter is set with the Windows default ip (169.x.x.x) and cannot be /release'd or /renew'd.
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Mar 4, 2012
It's fairly hard to explain what happens but basically, say I'm playing some type of online game, all of a sudden anything server sided such as HP amounts, damage amounts, etc. just disappears but the animation runs fine such as attacking being hit, etc. All of a sudden it'll jump forwards and I'll take any damage and do any damage that had been happening until the issue started. This happens constantly and it's really frustrating but on top of that my internet will slow to a crawl..Say I'm trying to send a message on Skype, it won't send for the longest time and I won't be able to recieve any or even open a new webpage until the problem fixes itself.'ve looked around a bit and thought I fixed the issue, I'm on wifi and multiple devices are connected but not always in use, and the forum I found suggested an ip conflict and said to open up command prompt release the ip with ipconfig /release and then renew it with ipconfig /renew.
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Mar 22, 2012
Once every couple of days the wireless service seems to disappear. I've connected to the router from a wired computer and everything looks ok from the d-link panel, however its not showing up as an available wireless network on the wireless units. Pulling the power off for 30 seconds tends to get it working again. I'm configured bg and n. I need a mix... an old B laptop, have one machine that has a G NIC, and the rest are N.
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May 2, 2011
After buying a new WNDR370. Sporadically and seemingly without any cause my internet will stop working. Diagnostic will always report it as "DNS Server is not responding." I've also discovered that if I enter my router settings and even just switch the DNS settings from Auto to manual or vice versa the problem corrects itself instantly-then next time it happens I just need to do it again.
I've already tried resetting my entire network and rebuilding the recommended way. Modem, Router, then computers-connecting each only after the prior has finished initializing. Hasn't worked though.
Currently I have my main rig connected directly to the modem to try and find out if I experience the problem at all this way, this is a pain in the ass though, and I don't know when long enough is long enough as the issue is completely random and simply just may not happen.
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Oct 19, 2011
we are facing a strange problem with a Cisco Small Business SG 200-08 Switch (firmware release 1.0.1.0). When configuring the switch to act as a RADIUS Client with 802.1x port security enabled, it sends the “Account Name” attribute to the radius server with max. 32 characters. The string comes in this format: host/dns Host Name and will be cut after 32 characters which will cause the NPS to say: “The specified domain does not exist.” and NPS is right. When I reduce the hostname so that host/dnsHostName <= 32 characters, authentication is working fine. And by the way, we also have a SG 200-26 in production and it can handle more than 32 characters which lead me to think of a bug in the firmware of the SG 200-08.
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