Cisco :: How To Force Tunnel
May 30, 2012
I have my Router, not asa, with IOS Easy VPN Server established. If I use split tunneling my clients can access the net all day long and access hosts and resources over the VPN on the other side of the network as if it were plugged into the lan. The hard part I cant figure out is how to force tunnel. I want all internet access to go through the router and not to split tunnel in addition I want to retain the ability to access local resources as if I were plugged into the LAN. I have security reasons for doing this and I am not worried about a little extra load on the router. Let me know where to start looking. I can provide configs if necessary. If I do be warned I am trying to learn what all this nifty Cisco Config Pro GUI can do so my config is gonna be full of all kind of stuff that is messy. I wont post unless asked.
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May 4, 2011
can I force an IPSEC L2L tunnel to use NAT-T encapsulation no matter what? Automatic detection says none of the endpoints are behind NAT. I know I can disable it by the "crypto map XXX set nat-t-disable" command, but I want the exact opposite.
I have a very strange issue where asynchronos routing is making my life as a technician very hard.
A side question; Can I do something about an ISP that is policy-base-routing its ESP traffic (and/or translating it)?
ASA5505 ===>===>===> ISAKMP traffic ===>===>===> ASA5510
212.178.155.73 80.62.yyy.xxx (traffic source IP: 212.178.155.73)
[Code].....
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Apr 3, 2011
I have 2 Cisco 871 set up to vpn in to an ASA 5510. Everything has worked even when the 871 is behind a nat.
We use these routers to send to employees home for temporary use.
The WAN ports on the 871 are configured to pick up an IP via DHCP.
Office ASA 5510 - Public IP address
WAN - Public IP
Internal - 192.168.1.0/24
|
Internet
|
Home Router
WAN - Public IP
Internal - 192.168.1.0/24
|
Cisco 871 picks up 192.168.1.x on WAN port from user's home router
Internal vlan1 192.168.10.x/24
The problem is - this user's home router is using the same subnet as the internal network at the office. Is there anyway to force traffic bound for 192.168.1.x to go over the VPN tunnel? It does this correctly if the 871's WAN port is not also on the same subnet. The vpn tunnel does come up. And I can ping to and from the router, it's just the clients behind the 871 that cannot ping or access the corp network.
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Oct 29, 2012
I have a setup with a few sites that have layer three switches behind firewalls. I've been successful in setting up GRE tunnels between all the layer three switches, the GRE traverses IPsec which goes between the firewalls at each site. That way, the GRE is encrypted over the Internet and I don't have to deal with protocol forwarding and stuff. The GRE tunnels are terminated at the loopback addresses of each layer three switch, this works well for the most part, except that I need to put static routes for each loopback address in each switch to point via the firewalls, because when OSPF comes up over the GRE tunnels it starts advertising the loopbacks, and as such the switches think they can get to them over the GRE (which is built from the loopbacks to begin with), as you can see, sort of a catch 22. The static route method works fine, but it makes it so that I can't access the loopback address for monitoring/management purposes from any other sites on the basis that the local core tries to send it directly to the firewall rather than over the GRE tunnel. Is there any way to force only the GRE traffic out via the firewall while letting any other loopback-destined traffic go over the GRE? I'm thinking this could be done with a properly-matching route-map, but I'm not sure where I would apply it, could I apply it directly to the loopback or would the GRE traffic skip that on the way out?
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Aug 5, 2012
I found that there is no force-switchover command under redundancy configuration mode. How can I do a switchover from primary RSP720 to secondary RSP720?
I am using SSO and NSF.
C7609-2(config)#do sh redundancy
Redundant System Information :
------------------------------
Available system uptime = 1 hour, 51 minutes
[Code]....
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Feb 11, 2013
I want to force a certain program (Max Payne 3) to use the third and forth DNS's that I configured in advanced settings of DNS settings (Windows7).
I want to do this because for some reason, using Google DNS in Turkey makes the game not start forcing me to use the DNS servers of my Internet provider. (if only it tried the second DNS that I configured, it would start but for some reason it does not)
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Dec 29, 2012
i try to connect to a website i know is opperating but get error timed out 4 out of 5 times
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Jun 24, 2012
I have made the following change to my ASA 5520 using ASDM to try and force VPN clients to use a self assigned certificate from the ASA. I made the following changes Remove Access VPN > Certificate Management > Identity Certificates > Add Certificate.Then I made the following change.. Remote Access VPN > Network (Client) Access > IPSec(IKEv1) Connection Profiles > Connection Profile > Edit > IKE Peer Authentication > Pre Shared key and pointed the identity certificate to the one I created in the step above.Having made this change I am still able to VPN without a certificate configured in authentication settings.I was expecting that the VPN would attempt to issue the self assigned cert to client machine?
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Jan 29, 2012
We are going to be setting up a remote access VPN to a Cisco ASA 5505, once connected to the VPN the internet traffic from the client will then go back out to the internet from the ASA (for web browsing), but Is there anyway to force the traffic through an AV server at the head office site before the traffic goes back out to the internet?
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Sep 21, 2010
If so then Wireless N is not a feature of this device, especially for multimedia files that require larger bandwidth. I could have spent far less on a product that would have worked.
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Aug 27, 2012
I have 3xLAP1242 in a building that are some what close to eachother (WCS show them as Rx Neighbors). The problem is that they are all running the same channel, 1 on 2.4GHz and channel 140 on 5GHz. [code]Ether I get these log messages because they are on the same channel or because there is something blocking the other channels.Can I force a channel change on the LAPs somehow? Not manualy setting the channels, but forcing the LAPs to redo their channel calculation/algorithm.
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Nov 21, 2012
Just setup two RV220Ws with a IPsec VPN connection. All working well. However, I have a question regarding how to force ALL traffic from a VLAN to go thru the VPN.IPsec from site A (EU) to site B (USA) working good. On Site A I have a dedicated VLAN that needs to have ALL traffic (internet included) be sent thru the VPN tunnel. The main purpose of this is to have internet presence as if in the USA. This is necessary to access some sites available only in USA specially for the kids -their web sites will not display content because they're not in the USA at the moment. How do I accomplish this? I tried to setup a Static Route for the VLAN but you cannot setup a 0.0.0.0 destination route.
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Dec 7, 2012
I have configured Cisco 1841 router. My problem is what if every first time a user opens the browser will display a web page server. My web server ip address is 10.10.1.5. [code]
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Jul 4, 2011
I just installed a new RV042 v3 and updated the f/w to 4.0.3.03tm. While trying to sort out logging issues, I've tried a few times to restart the router via System Mgmt -> Restart -> Restart Router. When I do this I get the expected results -- I'm prompted to wait, and then to login again. But the System Up Time isn't reset to zero, and the log shows no sign of the router restarting.
Why doesn't this work? Is there some other way to remotely force a restart?
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Sep 5, 2012
I try to join an ACS v. 5.3 to the domain. For my acs in Location A, I can join without problems using my account. When I try to join the ACS in location B to the same domain with the same account, it doesnt work.I looked at the debug log files for the ad client, and noticed, that the ACS in location B goes to a certain Domain Controller. However, I would have expected the ACS to contact another DC, which is located on the same location as the ACS ... this doesnt happen.
My question: How does the ACS determine what DC to contact ? Is it possible to force the AC to join by connecting a certain DC ?
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Sep 29, 2011
i have a lan connection for internet, the wireless card is used for an adhoc connection to a device that does not have internet, my pc just keeps telling me i have no internet connection because it is letting the wireless connection take priority over the lan connection
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Feb 27, 2011
Is there a way to force 40 mhz on a wmp600n. I have it connected to a e2000 router. When I bootup It connects at 130 mbps and if I let it sit for about a day or so it will eventually connect at 300 mpbs which is what I want it to connect at after boot. I dont see a option in the drivers for this adapter to force 40 over 20. Seems it connects at 20, then after so long it moves to 40.
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Nov 12, 2012
I have a cisco router 881 with advipservices running ios Version 15.2(4)M1 this router is a device that the user will connect company equipement with antivirus and such.is there a way I can force the ports like fe0 fe1 2 3 to accept only devices with specific mac addresses?if not, is there a way for me to apply an acl to vlanX to block everything that's not from these specific addresses?
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Jun 1, 2011
I'm trying to route all default traffic from my production environment through my ASA 5520 on the "outside2" interface.The 5520 has a site to site VPN to our DR site on the "outside/inside" interfaces via one ISP. On another ISP, interfaces "outside2/inside2" go to the internet.
When I make my 3750 stack default route for the inside2 interface IP I cannot get to the internet. When it is pointed to the inside interface on my 5505, I can.
I get the following errors when I try to open google.com from a production server:Why is the 5520 trying to use the "outside" interface instead of the "outside2" interface to go out?
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Apr 3, 2013
I've configured the DHCP server on a Cisco Switch C3560E as follows:
ip dhcp excluded-address 172.16.0.1 172.16.10.255
ip dhcp pool perth_main
network 172.16.0.0 255.255.0.0
default-router 172.16.10.254
lease 0 8
!
My goal was to limit the dhcp to the range 172.16.11.0 - 172.16.13.255, as there are not so many user on this network I so limited the lease time to 8 hours in order to "recycle" the unused addresses". What happend is that it is always using new IPs, even if the lease time has expired.
IP address Client-ID/ Lease expiration Type
Hardware address/
User name
172.16.109.90 XXXXXXXXXXXX Apr 04 2013 10:00 PM Automatic
172.16.113.106 XXXXXXXXXXXX Apr 04 2013 06:55 PM Automatic
172.16.113.122 XXXXXXXXXXXX Apr 04 2013 09:04 PM Automatic
[code]....
1. How can I force the DHCP server to recycle the unused IPs?
2. Can I specify a DHCP range (172.16.11.0 - 172.16.13.255) instead of an "excluded-address" range?
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Jan 2, 2012
What would happened if a force a cat4500-entservicesk9-mz.122-54.SG on a SUP-II-Plus+TS? Considering that:
- The same IP base file tha is used on a SUP-II-Plus+TS is used uma a SUP-V
- The file size os the ent services IOS is just a bit bigger the ip base IOS.
- Especially the EIGRP were supported on the SUP-II-Plus+TS pior the 12.2-25
We need full support to EIGRP(or OSPF) because of the H.A that are been implemented and need to test it...
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Jun 22, 2010
I have just configured a ASA5505 running 8.2.2 as a webvpn server for clientless VPN connections.
I need to setup a particular bookmark for a RDP session which forces the use of the java client for those who can't seem to get the ActiveX control working for some reason or another (virus scanners/firewalls/scerutiy policies etc).
I created a bookmark as follows, but it always tries to connect with the ActiveX control first when logging on from an IE client.
rdp://192.168.1.1/?force_java=yes
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Jul 23, 2011
I've set up a DHCP reservation on a Netgear wpn824v3 router, using its "Attached Devices" list to specify the MAC address of a computer on the network to use IP 192.168.5.200. After using "ipconfig /release" then "ipconfig /renew" on the client PC, though, the client PC keeps going back to the address it got automatically, i.e., 192.168.5.3.How can I force the client to use 192.168.5.200?
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Mar 16, 2011
I was trying to access some computers in network via remote desktop. All those computers had been used by other staffs.What I noticed that, for some computers I can access via remote desktop by forcing them to log off (people who were using the computers)But for some computers, I got the message similar to "user is currently logged onto the computer, you are not allowed to connect"I want to force them too and access these computers. How I can do it?
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Jan 9, 2011
i have a 7201 router with NPE-G2. i have a design which i have the option to send all the traffic through a GRE tunnel or a L2TPV3 tunnel.which method is more CPU consumption ?
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Sep 23, 2012
I'm in process of purchasing a new Cisco routers for our branches that will be used primary to enable IPSec virtual tunnel interfce with "tunnel mode ipsec ipv4". does the default IOS IP Base supports this feature? or i need to purchase DATA license or SECURITY license?
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Jul 9, 2011
I have an HP Pavilion notebook that was given to me by a friend who had upgraded to a new computer. Due to the fact that she no longer remembered the password to the computer I did a clean install of Windows Vista Home Premium to gain access to the computer. Unfortunately, while the computer seems to be running perfectly, when I attempt to find network connections my computer not only can't find wireless connections, but it doesn't even allow the option of manually creating a wireless connection under my Internet options.My computer has a built in NVIDIA nforce Network controller listed under my network adapters and when I check its status it states that it is working properly, yet it doesn't detect any wireless networks. In addition to this, I've read online that the wireless indicator light on my computer should switch from orange to blue when turned on, but even with my wireless switched on the light remains orange.I've also clicked the update drivers option on the NVIDIA network controller, but it states that the drivers are current and changes nothing.
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Oct 30, 2012
Is it possible to force a reboot of the EA4500 through the Cisco app for the Cloud?
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Jan 4, 2012
I have a DIR-600 C1 running the latest available firmware version (3.03).
Model: DIR-600
Hardware Version: C1
Firmware Version: 3.03
WiFi Protected Setup is turned ON.I would like to know if it is affected by the new disclosed vulnerability described here:[URL] Also, turning WiFi Protected Setup OFF may not assist to mitigate this vulnerability?
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Feb 4, 2013
I was wondering if I can force catalyst 2960 to skip startup config stored in NVRAM and boot with no config everytime it is powered. I tried to find it on google and in cisco white papers but still no luck. I found only commands that begin with "set boot config-register ... ", but switch acts like it does not know these commands.
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Aug 24, 2011
I have a (single) client (it is a cisco IOS router) behind a wireless workgroup bridge (cisco1242).The client's IP address is obtained via DHCP from the wired network.Now, when roaming occurs, the Client will never have knowledge about this event,and hence will not renew its IP address until lease expiers. This is not a problem of course when Layer 2 roam occurs, but with Layer 3
roam it will interrupt the traffic.
The cisco's IP Mobile implementation does have this issue addressed in DCCoA scenario: the WGB is configured to send an SNMP trap on its dotradio state change;the cisco mobile router is configured with snmp-server manager to process this trap and start DHCP renew on the Down/Up event. Unfortunately, this works in Mobile IP scenario only because I cannot make it work without the mobile router registered with a home agent.
how to force DHCP renew on a client (cisco IOS router) in such a situation - event scripting, SLA, or ...?
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Oct 17, 2012
I am using a Cisco RV110W (Firmware 1.2.09) in a branch and I would like to create a VPN Tunnel to another site that has a Cisco RV042 (firmware v4.2.1.02)
What would be the correct Configuration? the current configuration I am using is
in the RV042 i am using
Check Enable
Local Group Setup
Local Security Gateway Type : IP Only
IP Address : RV042 Pulbic IP address
[Code].....
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Nov 23, 2012
I bought the EA2700, and put the addresses for the DNS servers of OpenDNS into the Static DNS 1, 2, and 3 so that my internet access is filtered (OpenDNS provides content filtering). However I read online that users can bypass the use of OpenDNS DNS servers by choosing their own DNS servers on their computer network connections.The solution is involves firewall rules that limit DNS servers accessed through port 53 to only OpenDNS.
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