Cisco VPN :: How To NAT After Connecting 1941
Feb 22, 2012
I have a Cisco 1941 which has several Cisco VPN clients connecting to it which all works fine. The details of the LAN and VPN clients are as below:
Cisco 1941 LAN : 172.16.1.0 255.255.255.0
VPN Clients : 192.168.5.0 255.255.255.0
As mentioned this works fine but I'm about to setup a point to point VPN with from the above Cisco to another site which isn't controlled by myself and the remote side of this point to point VPN will only allow connections from the "172.16.1.0" subnet to communicate with it.
The issue I have is that the Cisco VPN clients also need to communicate with the remote side of this point to point VPN but they are obviously coming from the "192.168.5.0" subnet. Is this possible and where to start with this that would be fantastic.
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Apr 6, 2013
In my company bought 20 mbps lease line(ISP Line).I connect directly with my laptop and after checking it show 20 mpbs speed.If i connect cisco 1941 router and configure PAT and Its working fine but I check with speed I connect directly to another interface on my router to laptop at that it show only 8 mpbs speed.I am check with ISP person but they told its not an issue in ISP because we connect directly it show perfectly 20 mbps speed but connecting with your router at that time it show 8 mbps speed,so problem with your router configuration.
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Feb 18, 2011
I got 2 DC Cisco MWR 1941 and 3600, I do not know the reason why when I set up IP NAT to 1941 does not work but if I do it in the 3600 if it works.
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Sep 5, 2012
I have a problem with my routers (cisco 1941)I'm running a DMVPN network (Hub and spoke)All the hubs are connected to the 2 hubs. With 4 tunnels. (each hub has 2 interfaces to the spokes. the spokes only have one interface to the hubs, so I splitted them and so I now have 4 dmvpn tunnels). one of the interfaces on a hub malfuntioned and because of that the customers had problems with logging in and sending packets. I made this kind of structure because of when one of the tunnels failed the spoke could use the 3 others... BUT, what happened here was that the spoke still tried to use all 4 of the tunnels and because of that I had 25% package loss!So this didn't work. Now I read about IP SLA, but I was wondering of this could work? (I cannot test it on spare routers, and I don't want to implement it and risking a total network failure...) and how to configure it. Should I make 4 different sla processes which I should all 4 track? And when I make the ip routes, how should I make or configure it so that 1 of the tunnels/interfaces fails that the spoke would addapt the routes?
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Apr 11, 2012
I'm trying to get two Cisco 1941 routers with HWIC-1T and HWIC-3G-HSPA interfaces to use the 3G interfaces if the frame is down (as it is right now).In the lab, I was not able to get these to use the 3G interfaces as a backup (i.e. backup interface cell 0/1/0) and I've not been able to workout the correct incantation for static routing either.
kununurra#show ip int br d1
Interface IP-Address OK? Method Status Protocol
Dialer1 172.31.2.94 YES IPCP up up
[Code]....
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Mar 20, 2011
I have been breaking my head over a problem with my new 1941W ISR since about two weeks now.When I restart the router, the service-module wlan-ap0 is not working.After a restart of the router, when I ask a service-module wlan-ap2 status, I get:Service Module is Cisco wlan-ap0Service Module supports session via TTY line 67Service Module is waiting for registration messageService Module reset on error is disabledService Module heartbeat-reset is enabledService Module is in fail openService Module status is not available
After a while it changes to Service Module is failed.If I restart the module with service-module wlan-ap2 reset, it works. Is this a technical error?
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Jul 1, 2012
We bought a CISCO1941 K9 router. To enabled IPSec feature, I need the PAK to active IPSec on 1941. Where I can buy a valid PAK? Could it be done via on-line support?
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Mar 23, 2011
I have got a Cisco 1941 router and would like to activate my SSL VPN license on it. How do i go about it?
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Jan 31, 2012
What is the processor available in cisco 1941 router? is it RISC?
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Mar 22, 2011
How do i configure SSL VPN on a Cisco 1941 router? I would very much want a howto guide that does step by step. I have not found one my self so far.
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Jan 26, 2012
On our Cisco 1941, we have 2 gigabit ethernet ports and a 4 port fast ethernet switch EHWIC card configured as follows:
GigabitEthernet0/0 131.x.x.81 255.255.255.248 - internal
GigabitEthernet0/1 131.y.y.234 255.255.255.252 - WAN
Vlan2 192.168.0.249 255.255.255.0 - LAN2, NAT inside
[Code]....
I have tested using some UDP packet sending/receiving software (which works through another router), and the packets just aren't getting through. Likewise trying to telnet into the external IP on port 80 doesn't get through to the destination server.
It feels like the route doesn't exist between the Vlan 100 and Vlan 2 when it's coming in, or maybe there's an ACL needed for the incoming traffic?
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Aug 15, 2012
We have a Cisco 1941 Router with two single HWIC cards supporting two T1 lines 3Mbps total bandwidth. We have a distance learning lab that takes atleast 2mb connection when in use so it realy kills our bandwidth. I was looking to possible add a thrid T1.
My question: Can I just buy a double wide HWIC card and replace the single port one. Would this require re-configuration or it's simply plug n play?
What other options can I try for more bandwidth instead of adding thrid T1.
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Jan 28, 2013
I've got some 1941 ciscos set on every branch.We have native L2 between this offices and I want to use external ip addresses on gig 0� interfaces anfdf local ip addresses on lo 0 interfaces, and use lo 0 for vpn connections.
I do:
int gig 0/0
ip add 192.168.181.14 255.255.255.0
ip nat outside
I can ping it from local network behind giga 0/1 but i can't ping it fro outside, how can i do this?
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Mar 19, 2012
I have recently gotten a cisco 1941 router running version 15.1(3)T, and am trying to configure the router as a PPPoE server for access via a vlan on one of the gigabit ethernet ports.I currently have a cisco 2620 router (version 11.3(2)XA4) with the following relevant configurations:
vpdn enable
vpdn multihop
vpdn domain-delimiter @ suffix
!
vpdn-group pppoe
[code]....
I am trying to duplicate this (all but IP addresses) on the new router, but there are some options that do not seem to exist in this particular software/hardware combination. Specifically,
vpdn-group pppoe
accept-dialin
protocol pppoe
does not accept "pppoe" as a protocol, only allowing l2tp. What has changed, and what the proper configuration is.
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Mar 28, 2011
We purchased this router with the cisco IOS software installed. I've installed the Vista driver on my win 7 box. I believe that should work. I installed Putty to termainl in and I'm using a USB connection. I cannot even log into the router. I thought I was going to see some kind of setup wizard using the CISCO software so I would use a GUI and get things moving. I've got loads of reference material with command etc. but I just can't connect to the router to make it happen.
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Aug 7, 2012
I currently purchased, Cisco 1941/K9 with 2 onboard GE, 2 EHWIC slots, 1 ISM slot, 256MB CF default, 512MB DRAM default, IP Base.
Questions
1. With IP Base License, will I be able to run Frame Relay? I really need reference on what works and what doesn't between these different technology package licenses ? Actually frame relay is running on it right now, hope it doesn't suddenly stop after 60 days...
2. As I understand in order to run MPLS, I will need to upgrade to Data License "SL-19-DATA-K9". Since, I already have a Cisco 1941 to upgrade it, I need to order a spare license / paper PAK?
3. Does the IP Base License support site to site IPSEC VPN or do I need to purchase a security license "SL-19-SEC-K9"
4. Can I have both security and data license activated on the same device ?
5. If I do activate security or data license will I be able to use the IP Base features at the same time?
6. If I purchase a new Cisco 1941 with Data or Security License do I need to purchase the IP Base License then upgrade the license?
7. Is the 1941 suited for voice application routing ?
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Jul 31, 2011
I have a site to site vpn between a Cisco 1941 Router and a Watch guard XTM22 Router. The tunnel is up, and from the side with the Watch guard Router, I have full access to the LAN on the Cisco 1941 side.
However, I cannot access any of the devices on the LAN on the Watch guard side. If you had to guess, which router would you say is causing the problem? I really don't know where to start looking.
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Mar 11, 2012
I was wondering about the folling witch i found in a Cisco 1941 running config
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Dec 28, 2011
My ISP is going to provide internet with dual path , for auto changover he (isp it admin) is planing for bgp implimentation.
is 1941 is supportable for bgp protocol ? Is it possible to create bandwitdh rate limit based on ip address on access list (be cause we are getting some 10 Ip address from isp , out of 10 ip address , 3 ip addres has to go 3 diffrent departments) , i want restrict theese 3 ip address with 1 mb traffic as 1:1.
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Apr 19, 2011
We would like to describe our scenario as follows. We hosted our internet gateway at a service provider which is away from our site about 10 km distance. The total internet b/w is 8Mbps. To connect the internet service provider, we have two lastmile connectivity with two different service providers each 4mb as a last mile. Both put together it will be 8Mbps. The lastmile by the service providers are through ethernet.
Our main objective is to utilise both last mile connectivity by bundling or through any other optimum method. There are common perception that the ethernets cannot be bundled. The router model we use is 1941
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Feb 1, 2012
I am trying to configure TZO DDNS on my 1941. The DDNS lines in the configuration file were provided one year ago by TZO support for a 1811W router, which was working befor i migrated to the 1941. I have attached a config file and a debug file. The unusual part of the debug file is session id 0x95. I thnk this is the format the router would use if it had been configured using CCP. I had tried CCP initially but it didnt work, so I deleted it from the configuration and used CLI instead. Session ID 0x96 is the call the router is making using the CLI configuration, as seen in the attached config file.
I am not sure where the problem is here. it appears to be logging on to TZO. It also appears that the router name is being added to the logon ID in session 0x95...ie instead of myname.net the router is sending cisco1941.myname.net ---not sure if this is relevant or not. It also appears that the update happens? At least that'w what I can garner from the log file.
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Jun 2, 2012
I apply extended ACL on my router cisco 1941, but it didn't work. So I tried to apply standard ACL, it's work. I'm not sure about my cisco 1941 IOS is support extended ACL. My cisco IOS is
Cisco CISCO1941/K9
c1900-universalk9-mz.SPA.151-4.M1.bin
-----------------------------------------------------------------
Technology Technology-package Technology-package
Current Type Next reboot
------------------------------------------------------------------
ipbase ipbasek9 Permanent ipbasek9
security None None None
data None None None
[code].....
Is it IOS bug or limit feature on hardware.
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Apr 1, 2012
I connect to my corporate network using Cisco AnyConnect Secure Mobility Client. Once connected I can no longer print to my LAN attached printer and other local resources. I use the Cisco/Lyncsys E4200 router on my LAN and can re-connect to the storage on the local LAN by setting up Port Forwarding of port 21 and MS Windows FTP folder sharing. However, I can't seem to connect to a Terminal Services client by forwarding port 3389. Is there a way to connect to the local LAN after logging into the VPN connection. I can connect to regular HTTP/HTTPS sites and most other type of connectiins, just not my own local resources.
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Jan 17, 2013
I need to unlock IPSec to my 1941 router but I'm not sure which license(s) to purchase.
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May 24, 2012
Suggest some commands to stop downloding from internet on CISCO1941/K9.
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Jul 30, 2010
The problem I have run into is that I am not getting any connectivity between my two gigabit ports on the 1941. I have ge0/0 setup as my internal network and is running dhcp, ge0/1 is the connection to the modem. I can't figure out how to configure the connections so my internal traffic on ge0/0 routes out through ge0/1.
Here is my config:
Using 4312 out of 262136 bytes
!
[Code].....
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Mar 12, 2013
I have this Cisco 1941 router with two Ethernet ports g0/0 and g0/1. The g0/0 is connected to office LAN with internet access. As my office LAN is DHCP, it will assigned a IP address for g0/0 since this g0/0 is configured as "ip address dhcp". Now my question is that i have a group of 5 pcs, namely PC1, PC2, PC3, PC4 and PC5 that is connected to the switch and one of the ports of this switch is connected to g0/1 of Cisco 1941. Is it possible that let say PC2 and PC3 (both DHCP enabled) could access the internet access from g0/0 and at the same time, the office LAN assigned IP address for PC2 and PC3 automatically?
Office Lan with internet access (DHCP) (Default gateway 10.0.0.1)
|
|
g0/0 (DHCP enable) (DHCP assigned IP address 10.0.0.138)
Cisco router 1941
g0/1
|
|
HP Switch
|
PC1 PC2 PC3 PC4 PC5
Is this operation possible? if possible, how to configure inside the router 1941 to achieve this objective?
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Sep 12, 2012
I getting continuously BGP notification error.We are using the cisco 1941 router. i have attached error and configuration.
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Feb 4, 2013
We have cisco 1941 as router in office, it's dhcp server, it has only vlan 1 192.168.4.0/24?I've set up 1142 ap for wireless clients How can i make it give clients ips from dhcp server from vlan 1 ?
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Apr 1, 2012
I am using ftp server over internet, for this I am able to connect with ftp server successfully but unable to transfer data. I am unable to see the file's list on connected ftp server. I am using the router Cisco 1941 with 15.0 (1r) M12.
There is no firewall or any ACL policy applied that could stop the any type of traffic.
I have also configured ip ftp passive command on it. But still passive ftp not working.
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May 23, 2013
We set up a 1941 Router with the Cisco Configuration Professional Tool. The VPN Tunnel works and i get an IP Adress from the pool. But i cant reach any devices in the VLAN10 Network. Do i forget anything ?
Here is the config from the Router:
version 15.1
parser view CCP_Monitor
secret 5 $1$FnN7$Qr.mbJbPOuOH7Te6MD1.I0
commands configure include end
[Code].....
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Jan 28, 2013
I get the following error:
Router#config t
Router(config)#snmp-server view rttmon ciscoRttMonMIB included
%Bad OID
The same command is accepted on a Cisco 2900 router
Router#show version
Cisco IOS Software, C1900 Software (C1900-UNIVERSALK9-M), Version 15.1(4)M4, RELEASE SOFTWARE (fc1)
[Code]......
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Oct 15, 2012
I have just set up my Cisco 1941 router to my cable internet connection. I have access to everything, but I cant login successfully into Cisco CP.
I set up a new user with level 15 privileges and a secret password. I go to login via webbrowser and I put in my credentials, but I get rejected. I have tested the username and password via the CLI, and it works fine, I just cant seam to login to Cisco CP.
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