Cisco VPN :: 1841 - How To Setup IOS SSL VPN
Jan 25, 2013
i've been trying to setup an SSL VPN on my 1841 lab router but with no luck. i tried both clientless (anyconnect 2.5) and using a vpn client (anyconnect 3.0).
i'm using a win 7 PC with IP 172.16.1.50 directly connected to 1841 FE0/1 port. tried disabling PC FW, used both IE and FF and delete cookes but to no avail. below are my config and some show and debug output.
SSL_VPN_GW#show webvpn gateway
Gateway Name Admin Operation
------------ ----- ---------
SSL_VPN_GW up up
SSL_VPN_GW#show webvpn context(code)
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Oct 11, 2012
I have setup a VPN server on cisco 1841 and dialed through pc, it worked fine. But when I dial through another ISP it is not working. It can establish VPN but it can't pass traffic through VPN, what may be the problem. The configuration is same and I can access Internet through this ISP.
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Feb 17, 2011
Ok so i just got a 1841 and i have nfc where to start on hwo to set it up or make it work. How do i go about loging in to it so i can set it up to use it as a router? I tried to plug my pc in to the consle port and my pc doesn't even show i have any thing hooked up to it. so any step by step guides on how to log in and set this up?
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Aug 20, 2012
I am looking to setup a solution for backing up a Metro Ethernet connection on a 2951 using an 1841 and 2 T1's in a Multilink. The Metro E will be primary, and if the BGP peer goes down, I want it to switchover to the 1841. Can it be done and is there an example of the BGP setup to work off of?
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Nov 23, 2012
Trying to setup client VPN access on a 1841 router. essentially i would like to connect using the cisco vpn application.
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Aug 12, 2012
I am trying to set up Remote access vpn in 1841 router. The vPN client is connecting to router, but cannot ping to remote LAN Here is the config.
Current configuration : 3625 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
[code]....
I am not getting any hit on the deny statement of 102 when i try pinging to client ip address (10.0.0.10).
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Apr 27, 2011
Here is my setup:
Cisco 1841 Software (C1841-ADVIPSERVICESK9-M), Version 15.1(2)T1, RELEASE SOFTWARE (fc1)
Cisco Internal IP:192.168.X.254
Cisco External IP 64.X.X.5 (NAT)
Netopia DSL Router:
Internal IP: 192.168.X.253
Exernal: 76.X.45.3
Now the DSL was installed a while back for a different need and now that need is gone. What Id like to is have the Cisco router do performance routing and send out internet traffic to either its own external IP or send it over to the DSL if it can get a better response. Presently, Since the Cisco is my gateway, the DSL line is sitting idle.
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Jan 26, 2013
I have got two 1841 and one 881 cisco router. I can keep any one of this router at HO and remaining at branch office. I have got a static internet IP at HO but dynamic IP at branch office. I want to setup a VPN to connect to HO from branch office through router. The branch connects through a private IP for internet purpose. Which VPN is the most secure and best for this purpose.
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May 26, 2013
We have a setup of a firewall in between my Cisco 1841 router and Switch.
Cisco Router --> Meraki Firewall--> Switch
Client VPN is configured on the Meraki Firewall but then for the outside users to client vpn in to the network, I have to port forward or open the ports 500 and 4500 to the IP address of the Meraki Firewall 192.168.1.90. [code]
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Jun 17, 2012
I would like to set up a POTS Dial connection between 2 Cisco routers, using the modem card WIC-1AM-V2. I'd like to use this as an out-of-band connection to a remote site, if the primary internet connection fails. So, this setup will only be used in one direction, 1 router placing calls, the other one receiving calls.Here's my config of the receiving router:
chat-script dial "" ATZ AT OK "ATX3D T" ATS0=8 TIMEOUT 120 CONNECT C
interface Async0/2/0 description out of band for network no ip address encapsulation slip async mode interactive
line 0/2/0 session-timeout 5 absolute-timeout 10 script connection dial login local modem InOut transport input all escape-character BREAK autoselect ppp stopbits 1 speed 115200 flowcontrol hardware
[code]....
This config is working fine, when dialing in via a Windows Hyperterminal Dial connection. After a while of dialing I get the login prompt of the router.Now I want to have a router placing calls instead of a Windows Server. I can't figure out how to tell a router to place calls to a POTS phone number.
Receiving router: 2811, WIC-1AM-V2, IOS c2800nm-ipbasek9-mz.124-25a
Calling router: 1841, WIC-1AM-V2, IOS c1841-advsecurityk9-mz.124-25a
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Nov 8, 2011
Is there a way to set up Quick VPN on the RV120W without changing the internal subnet? I have just taken over responsibility for a network and I don't know all of the nooks and crannies yet, so I'd rather not change the internal sub net. I've tried setting up a user then changing the LAN settings afterward, but it automatically removed the VPN user when I did so.
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Jan 1, 2012
I've just purchased a couple of SRP527W routers. I've been unable to even browse to the default 192.168.15.1 to start my configuration. My local network is 192.168.1.x. At risk of showing my stupidity, what am I doing wrong.
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Feb 1, 2013
I am putting an pre-labbed DMVPN Hub config onto a production 1841. We had to upgrade the IOS to support protection with NAT so the current IOS we're running is c1841-adventerprisek9-mz.124-25g.bin.I can paste the configuration in fine (via the tunnel interfaces) and the router accepts it however the 'show dmvpn', 'debug dmvpn' and other related commands don't work. I have checked the IOS feature navigator and it definitely shows that DMVPN phase 1 and 2 are supported in this image.
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Nov 17, 2012
I have a 1841 router and I can ping the f/0 port from my pc. However when i try to console to it, it is not showing up anything but a blinking cursor. I tried all different baud rates on my teraterm but still not luck. I picked the baud rate disconnected and reconnected everytime and still nothing. Then I tried to telnet to it using teraterm but it would just open a console window and then close.
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Apr 28, 2013
a have a router CISCO 1841 and I configured a NAT inside from the router to the firewall like this :ip nat inside source static firewall_adresse public_adresse and its work fine and when a added it I do this command "wr" to save the configuration and I restarted the router many times and it still work fine,but in the last five months this NAT does not exsit twice and I must add it a gain.
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Nov 23, 2011
How to enable GUI for a Cisco 1841?
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May 9, 2012
We have an MPLS that connects our main office with our 7 branch offices. We have 3Mb coming into the main office and 1.5 into all of the branch offices. I would like to give rdp traffic the highest priority. We have a Cisco 1841 at all branches and a Cisco 2811 at the main office. Do I have to configure QOS on all routers or just the one at the main location?
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Jan 12, 2012
I have a cisco 1841 router and want to run BFD i think it needs IOS 12.4T..It has currently 12.4 but no T does the "T" IOS have mroe features?
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Nov 23, 2011
How to enable GUI for a Cisco 1841?
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Apr 23, 2013
We have a 1841 setup with WAN and LAN subinterfaced(2 WAN connections, 1 internal VLANs) and I am recieving some pretty horrible throughput when traversing the router to the WAN.
I am receiving about 2 MBPS down but around 5 up.Currently there is a ACL on the WAN interface, and as well we are running NAT NVI. It is possible that this might have something to do with it, but I am not sure.
Most of the CPU is going to IP input however I cannot seem to determine the cause. One thing I am thinking is the overload for NVI is using a route-map. Could that cause it to process switch instead of fast/CEF switch?
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Mar 25, 2011
i have 6 sites using tandberg visioconference system, each site have a cisco router 1841 configured with ipsec vpn, i have a 4 conference a week and my bandwidth is 2 meg, and when people are working we have a lot of problems and cut in our visio conference.
I have a big problem, i want to make a high level QOS priority to my TANDBERG visio conference system between my sites, the issues is that there is an IPSEC VPN in my cisco routers between those sites and as i know if the traffic is crypted we can not separate the packets or give higher priority to packets over anothers.
can i mark traffic in the lan interface and and make a high priority befors the packets go through the ipsec tunnel?
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Jul 16, 2012
We have cisco 1841 router with two ISP . But we facing the problem whenever our secondary ISP Link goes down the Primary has also went down.We have only one default route for primary Link
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Mar 6, 2011
OK ran into a little problem with getting this to work. Only group members participate in the encryption process, correct?
I have numerous remotes all coming into one central location. I set up a KS and have currently only 2 of the remote routers set up as GM's, with the intention of the others coming into play as I move forward. Here is basically what I have in my KS and GM's:
KS
crypto isakmp policy 10 encr aes authentication pre-share group 2crypto isakmp key testkey address [code].........
GM's
crypto isakmp policy 10 encr aes authentication pre-share group 2 lifetime [code]....
So I applied the crypto map to the serial interfaces on my routers on either side of the cloud (central-ASR1002 and remote-ISR1841). When I did this, ALL the remotes went down and I'm not sure why. Even the ones that didn't have anything to do with gdoi. Ya, it wasn't good. I thought that only the group members would be affected.
Is it the fact that my acl is encrypting any to any? Surely I don't have to reverse that and have two statements with the same syntax. I'm basically just trying to encrypt all traffic from specific remotes back to the central side. However, I'm trying to do it without taking down the rest of my network .
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Sep 14, 2011
I have recently started a new job where the IOS on the 1841 routers is version 12.4. These are from 2006 mainly, probably when the routers were bought.should I upgrade to 15.0? Mainly just to plug security holes that cisco have found?
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Jan 24, 2011
I'm setting up an 1841 as a basic router for now and I cant get it to work.
[code]....
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Jul 30, 2011
EEM script. I have tried below script on 1841 with 12.4(24)T5 but not working
snmp-server enable traps ipsla
snmp-server enable traps event-manager
ip sla 10
[Code].....
I want to try ping remote ip every 5 mins , if ping fails wait for 3 mins then trigger reload , and router come up again if ping fails reload again.
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Jan 31, 2013
Here is the setup :
site 2 site ipsec
pix 515 as the server (static ip)
Cisco 1841 (dhcp client)
ezvpn client works fine for normal users that want to just authenticate with the Cisco vpn client. i have a site 2 site setup from the pix to my house, the connection is "up" on both ends, i see phase2 initiate under the pix logs . try to ping nothing happens, even drop down the byte size and the DF bit (aka ping xxx.xxx.xxx.xxx -l 100 -f ) ping to the next routed interface hop and i get "no translation group found for icmp src outside: xxx.xxx.xxx.xxx <--- my internal network dst inside xxx.xxx.xxx.xxx <---- pix internal network .
Am i missing a NAT rule on the pix or the 1841?
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Dec 13, 2011
Here is my current situation, I have 3 Internet connections as below, at the moment they are terminate into the ASA.
ADSL Modem 1 (routed mode) ADSL Modem 2 (routed mode) Mid band Ethernet Tail (10m/10m)
ASA 5510 LAN Switch
I want to change it to the following, in order to use PBR on the router. ADSL Modem 1 (/29 Ip block) ADSL Modem 2 (/29 ip block) Mid band Ethernet Tail (10m/10m) (/28 block)
Router ASA 5510 LAN Switch
I need your opinion on the following points
1. What is the best suited router considering i have 2 adsl connections and i will need 3 WAN + 1 LAN ports in total.
2. Where should I run the NAT ? on ASA or the router. (I do have around 20 L2L IPSEC VPN tunnel on the ASA). In the new setup I would like to use ADSL 1 for the internet browsing and use ADSL 2 and Ethernet Tail for incoming service (+some outgoing to specific destinations or based on specific services)
3. I have an old 1841 with 2 Ethernet ports, am i better off buying 2 x ADSL2+ cards and use them with expansion slots?
4. Both adsl connections are PPPOA based, Can I put both adsl modems into bridge mode and create pppoa connections on 1841? (I will still have to buy a HWIC 2 ports Ethernet card).
5. Should i go for any of the above options or am i better of buying a new router?
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Jul 15, 2012
I have a cisco 1841 router which isn't able to boot properly from its IOS. it always prompt me on ROMMN.
Here it is:
System Bootstrap, Version 12.4(13r)T8, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 2008 by cisco Systems, Inc.
PLD version 0x10
[Code]....
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Sep 4, 2011
I have a little problem configuring NAT on router 1841, like this is the topology:
WAN (PUBLIC´S ADDRESS) fast0/0 fast0/0/0 PUBLIC´S ADDRESS INSIDE (192.168.1.0/24)
ROUTER ====== X.X.X.X/30============= ROUTER ======== Z.Z.Z.Z/29 ============ SW 3560==============
(ISP) .253 .254 CLIENT . 47 .48
The connection with ISP or Extra net is a metro Ethernet, so the isp gave two ip address to the client: WAN (/30)
LAN (/29) Which be the public addresses to be used by the client if you need to publish any server on the network (like WWW), so they do not have any device that will could do the nat, like an asa or linux server, so the router has to do the Nat, because the SW 3560 does not support this feature.
So... I did the following:
On router 1841:
inter fast 0/0
description WAN
no shut
[ code ]...
I create an interface Blackpool to simulate the LAN connection (192.168.1.0/24)
Inter loopb 0
ip address 192.168.1.254 255.255.255.0
ip nat inside
[ code ] ...
ON SWITCH:
interface vlan 448
description LAN-ME
ip address Z.Z.Z.48 255.255.255.248
no shut
ip route 0.0.0.0 0.0.0.0 Z.Z.Z.47
But if i try to do ping from the ip address 192.168.1.0/24 to any server´s internet the ping fails, but if i do the ping from v LAN 228 the ping is success. I will think that route map could solve the problem.
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Jul 5, 2012
I have an 1841 running Advanced Security IOS (12.4(25) I think, have to check when I get home) that I'm using to learn about CBAC and IOS' firewall functionality. Its external interface is connected to my Windstream DSL modem in bridge mode, and the router is doing the PPPoE authentication. It's also doing NAT for my internal network, and is acting as a firewall using CBAC inspect statements and ACLs.
Everything is working at at least a baseline level: the DSL authenticates and connects, and machines on the inside can browse the web. The problem is that browsing to some sites is slow or times out. Not all sites, just some. Latency seems to be okay when doing pings. The problem seems to happen with https connections, but again, not all of them. Gmail works fine (I have it set to always use https), while my bank and credit card sites either time out or take minutes to load.
I have an "inspect https" line in my config, and have allowed https through my outbound ACL.
I'm looking for next steps for troubleshooting this. I've check CPU utilization and it's very low; not sure what else it could be. I only have a few inspect statements, for the common stuff: tcp, udp, icmp, pop3, imap, dns, tftp, ftp, and ntp.
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Apr 8, 2011
I have 2 cisco 1841 routers the one is connected to my local network and the other is the stub router and it only has 2 fastethernet interfaces. fao/1 connected to the local network and fa0/0 connected to the internet and to the other router. How can i configure NAT on the fa0/0 which is sharing the internet and local network
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Dec 13, 2010
We have a Cisco 1841 router and checked something an unnusual (never seen before) routing table having L - local routes. if this an IOS bug or same as C - connected local routes.
1841#sh verCisco IOS Software,
1841 Software (C1841-IPBASE-M),
Version 15.0(1)M3, RELEASE SOFTWARE (fc2)Technical Support: [URL] ... Copyright (c) 1986-2010 by Cisco Systems, Inc.Compiled Sun 18-Jul-10 01:16 by prod_rel_team
[Code] .....
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