Cisco VPN :: 1841 - Creating Connection Using SDM

Feb 12, 2011

i am trying to make site to site VPN on cisco 1841 router using SDM , but I faced a strange problem . I successfully install sdm , internet browser , disabled block pop up , and java . i successfully can run SDM and configure the router using it .
BUT\ when I select VPN>>Site to site VPN >>Create Site to Site VPN tap >> and Press on Lanuch the selected task to start the creation process using the wizard Unfortunately it is not working ,, I  don't know why ?
I tried with another PC , another SDM version , another browser .

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Routers / Switches :: Creating A VPN Connection?

Mar 11, 2012

What is the best way to set up a VPN connection?

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Creating Network Bridge Between PC And Blu-ray Player Via LAN Connection?

Mar 10, 2011

I am having trouble creating a network bridge between my PC and Blu Ray player via LAN connection. I have done it before, but always run in to problems. I took my computer on vacation and messed up the existing connection and settings. Last time I successfully created the connection, I stumbled upon the answer, but can't remember how I fixed it. I should say that I can create the bridge, but once I do, the wireless internet connection no longer works, and my blu ray player can't connect to the internet either. I have forced compatibility mode on the wireless network via DOS, but no luck. I did the same on the LAN connection just for the heck of it. Still no luck.

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Creating A Network Off A Hotel Wired Connection?

Jul 24, 2012

I'm currently staying at a marriott in NYC and at night after work the wireless access becomes awful. As a work around I've plugged the ethernet into my apple airport express and launched my wireless network as usual.Things are all fine and dandy for the first hour or so of browsing or watching netflix. But then it seems to lock up and I lose connection. I haven't seen any caps on data transfer that would explain it but is there something else I should be looking at? The fact that it works (albeit for a limited time), is a good sign I think. I'm mostly using it for my ipad to watch netflix etc.

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Creating Broadcast Network (Ethernet) / Connect Router To Another Via A PPP Connection?

Mar 12, 2012

So you've got broadcast networks - Ethernet, PPP networks such as serial & T1/E1 and then youve got Non-broadcast multi-access links such as Frame relay and ATM. I understand the concepts of each. That's not the problem.My question is, is it possible create a broadcast network (Ethernet) but also connect a router to another router via a PPP connection? Say to a specific branch for example. Just curious if you can use multipule link types.

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Cisco WAN :: 1841 Connection Between ISP And Firewall

Apr 2, 2012

I have a Cisco 1841 serving as a connection between my ISP and my Firewall (non Cisco).
I seem to be having performance issues with my traffic going through the Router.HTTP (web browsing) is fine andI get my download rate as I would expect for a 10mbps connection.But anything to do with my VPNs I find a delay when sending via the 1841.(all my VPNs are managed by my Firewall and I have never had problems with those).
I also have a legacy ADSL connection to my firewall, which bypasses the 1841 and I am having no issues on that at all.If anything it is quicker! Which is madness as my Fibre should out-perform it easily.This leads me to believe the issue is not with the Firewall.
My 1841 is very simply setup, 2 fa interfaces with simply a default gateway setup within it.Which leads me to ask if I need more static routes in or a dynamic route protocol setup?

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Cisco WAN :: 1841 With 3G HWIC - Backup WAN Connection?

Jul 3, 2011

I'm trying to backup my primary WAN with secondary backup connection - 3G WAN through Cellular 0/0/0.Point  is that I need to track some external IP address on my primary  interface, for examle If it is not reacheable, then router  brings up backup connection - 3G. This can be done by using  dialer-watcher.Simple.But unfortunately my primary WAN interface is an  FastEthernet, which is the coonected to a switch, switch to WAN . There  is no dialer-watch commands on it. Thats sad .

One more time :
WAN -> SWITCH -> ROUTER(WITH 3G HWIC and Fa 0/0 connected to switch).

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Cisco VPN :: Establish VPN Connection Between ASA And 1841 Router?

Feb 7, 2011

I am facing problem when trying to establish VPN connection between ASA and 1841 router. Peer comes up but traffic is encrypt and decrypt. when assign route (ip route 192.168.x.0 fa0/0)  to remote local subnet there is a traffic but one reply and one drop
ping from
Reply from 192.168.x.55: bytes=32 time=493ms TTL=127Request timed out.Reply from 192.168.x.55: bytes=32 time=633ms TTL=127Request timed out.Reply from 192.168.x.55: bytes=32 time=375ms TTL=127Request timed out.Reply from 192.168.x.55: bytes=32 time=528ms TTL=127Request timed out.


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Cisco VPN :: Between 2 Router 1841 Using HDSL Connection?

Feb 15, 2011

I've to realize a VPN (ipsec) between 2 side that use a Router Cisco 1841, each one with its own public IP.The 2 side can ping each one with Public IP but the VPN are in DOWN's state.The schema is the following: (LAN1) <-> Ro1 (X.X.X.X) <- VPN -> (Y.Y.Y.Y) Ro2 <-> (LAN2)
the configuration of Ro1 is showed of following, the same configuration is present also in Ro2 but with different IP address
sh runBuilding configuration...Current configuration : 9808 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname TEST!boot-start-markerboot system flash c1841-adventerprisek9-mz.124-24.T.binboot-end-marker!logging message-counter sysloglogging buffered 51200 warnings!no aaa new-modeldot11 syslogno ip source-route!!!         !ip cefno ip bootp serverip domain name test.itip name-server x.x.x.xip name-server x.x.x.xip inspect log drop-pktip inspect max-incomplete low 300ip inspect max-incomplete high 400ip inspect one-minute low 300ip inspect hashtable-size 2048ip inspect tcp synwait-time 20ip inspect tcp max-incomplete host 300 block-time 60ip inspect name IDS tcpip inspect name IDS udpip inspect name IDS ftpno ipv6 cef!multilink bundle-name

so, of following the screen of the answer of these commands.
Ro1(config)# sh crypto session Crypto session current statusInterface: Serial0/0/0.1Session status: DOWNPeer: port 500 IPSEC FLOW: permit ip Active SAs: 0, origin: crypto mapRo1(config)# sh crypto map interface serial 0/0/0.1Crypto Map "VPN" 1 ipsec-isakmp Peer = Y.Y.Y.Y Extended IP access list 150 access-list 150 permit ip Current peer: Y.Y.Y.Y Security association lifetime: 4608000 kilobytes/86400 seconds Responder-Only (Y/N): N PFS (Y/N): N Transform sets={ VPN-SET:  { esp-3des esp-sha-hmac  } , } Interfaces using crypto map VPN: Serial0/0/0.1

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Cisco WAN :: How To Do IPL Connection Using 2801 Router To 1841

Dec 26, 2012

I  need some clarification if it is possible to do an IPL connection  between Cisco 2801 (T1) to Cisco 1841 (E1) via Ethernet (2801) to Serial  (1841).
I am unable to find any documentation about this and I need to connect our network to our overseas office.
Our side uses the 1841 router and our provider has set-up our E1 connection to be via Serial interface while on our overseas office uses the 2801 and will connect via the T1 card, which by  the way does not have any serial interface ports just ethernets.
So far checking on how to configure this, I am unsure on how the connection will happen since the info that I got is that T1 does not have the option to hold an IP address (also unsure on this though). With this in mind and that the 2801 does not have serial interfaces, does that mean that IPL connection would be via the available Ethernet ports?

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Cisco Switching/Routing :: Connection Between 1841 And Linksys?

Apr 9, 2013

I tried to connect a 1841 to a Linksys with a static route. I am able to ping from a computer in the 1841 to a computer in the linksys network, but I can't ping from a computer in the Linksys network to a computer in the 1841 network?

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Cisco WAN :: Leased Line Connection Through ONT To 1841 Router

Jul 29, 2012

How to configure leased line from the ONT connection on Cisco 1841 router . there have public IPs on the interfaces fa0/0 & fa0/1.

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Cisco WAN ::1841 Routers Handle 45Meg Connection?

Apr 28, 2009

This is only a small portion of our network but my question is, can these 1841 routers handle a 45Meg connection?  I thought these routers were designed for T1/E1 type speeds.  I know I saw a router performance document somewhere that showed 1841's could handle 38.4MB of traffic and that is only with routing turned on.  If anything else is enabled, like access lists, NetFlow or whatever, that number will decrease because of the capacity of the router.  Am I correct in these statements?  Any document or anything else that shows performance of these routers? 

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Cisco WAN :: 1841 ADSL Interface Dropping Connection

Jul 2, 2012

We have an ADSL2+ line from a WIC in a 1841, everything has been fine for the last few years and then the last few months the connection going down. When checking the interfaces the ATM0/0/0 is up up and the same for the dialer interface we are using, they are both up/up, but this still needs a reload of the router to be functional again, shutting the interfaces does not bring the connection back up.
I am not an expert on ADSL lines, I have never really had a problem with anything previously. The router was running Netflow to a network monitor wondering if this or logging was causing an issue with entries in the buffer??
Here is an output of show dsl int, would change the firmware, it has been fine all this time before though we are running IOS 12.4(24)T1 advseck9-m, as far as I can seen from our ISP the config for ADSL is all correct. [Code]

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Cisco WAN :: 1841 - Layer 2 Connection Between Distant Model?

May 21, 2012

I have two 1841's connect to the Internet via DSL;
fa0/0 --- 1841-R1 --- DSL1 ---------------------[INTERNET]--------------------- DSL1 --- 1841-R2 --- fa0/0
I am on the LAN attached to fa0/0 on R1 and I need layer 2 connectivity to a device on fa0/0 on R2. I'm not sure if this is possible with 1841's or not? I made a GRE tunnel between the two and was going to add a BVI and bridge the tunnel at each end with fa0/0 at eah end, but the 1841's don't support BVIs so I'm a bit stumped here! Would L2TP work here?
R2 is a remote router running C1841-SPSERVICESK9-M. R1 is local running C1841-ADVENTERPRISEK9-M. I can't change the remote router so if the answer is not support in C1841-SPSERVICESK9-M I won't be able to do this.

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Cisco Switching/Routing :: 1841 - No Connection Through Gateway With Windows Server?

Aug 26, 2012

Our company has a Cisco 1841 router which provides our connection to the outside world. We also have a windows server which provides our DHCP and DNS services. Our workstations which also get their lease from the server (using DHCP) do have a connection to the outside world.

when we connect a new computer or other device to the network we can only ping as far as the inside interface of the router. But when we assign the ip settings staticly we do get a connection, even if we configure it with the exact same ip as a lease it got a few seconds ago.


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Cisco Infrastructure :: 1841 Dialer Profile - Connection Exists But No Telnet Session Possible

Jul 11, 2012

I have a big problem with my Cisco 1841 and the WIC-1AM-V2 in Slot 0.I got the task, to test if it is possible, to build up a connection (Dial on Demand Routing) to a remote modem, which is connected to a console port of another Cisco 1841, with the integrated modem card over POTS from the CLI of the router. My router will only dial out to the remote modems and only if its needed.I am connected to the router with the integrated modem card over a console cable on the console port. The remote modem is also connected to the console port of the remote Cisco 1841.
I found out, with my Dialer Profile configuration, it is possible to build up a connection. I configured a dialer list, that specifies that all ip traffic is permitted an interesting for my dialer interface. So a telnet or ping brings up my dialer, which brings up my Async interface. With the "show line" command, I can see that the TTY line, connected with the Async0/0/0 Interface is in use for 5 minutes, because of the "exec-timeout 5 0", which is configured on the remote router. Now the problem is, in this 5 minutes, I can not use a remote telnet on this line with my loopback interface, because the line is already in use and I get a "connection refused". The first telnet I use runs in a timeout, because the remote host is not responding. When I dial out directly from the modem card and not from the CLI with the AT-commands, I get also the connection and with a return i get the login prompt. I will post my actual config, so that you can see maybe a mistake I did or which command I must use, to get a working connection. [code]

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Cisco Infrastructure :: 2811 / 1841 / WIC-1AM-V2 - Setup POTS Dial Connection Between 2 Routers?

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

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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Dec 6, 2011

I has got a 8 system(Say Node1, Node2,.....,Node7,Node8) in my LAN Network.i Want a Group a 8 System's in Such a way that Node 2 Should Ping with Node1,Node3 Node4, But not with Node 5,Node 6,Node 7,Node 8.

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Cisco WAN :: Creating Vlan On ASR 1006?

Nov 21, 2011

New to Cisco devices and have had an ASR dropped in my lap.Running ASR1000-RP2 with System image file: asr1000rp2-advipservicesk9.03.03.00.S.151-2.S.bin Show Vlans returns: No Virtual LANs configured Router(config)#interface vlan?

  <1-4095>   Vlan interface number
But when I try an assign a Vlan number I get % Unrecognized command, or % Incomplete command

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Feb 26, 2013

I'm trying to create a VPN at our office. However I cant seem to ping our servers public IP. I have tried configuring our router to do this. However, it times out when you are outside of our network.

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Jul 10, 2012

I have a VM (Alice).I want to route ALL its traffic through a server of my own in the UK.It needs to be 'fail-safe' in the sense that the traffic must either be routed through the server, or not at all (EG with windows VPN dialer, if the VPN connection is dropped it will immediately begin routing traffic normally again - that's not acceptable*). I need to run windows on the VM, the server can be anything.The VM is connected to the internet via a linux firewall/router box in my house (set as default gateway for the VM).How can I set this up?

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Nov 2, 2011

I am a bit confused on how to create a Hot Spot & connect a Dell Desktop(no built in WIFI) a Dell Laptop(with built in WIFI) & a HP Printer with WIFI. From reading info on your Web Site, it appears that I need a Wireless Router, an adapter(not sure what this is) for my Desktop. I have AT&T Air Card internet access. Do I need anything else?

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Jul 24, 2012

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May 20, 2011

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Thompson wireless Router
laptop with Windows 7
laptop with Windows Vista
laptop with Windows XP SP2

I have set the network discovery to on in W7 & Vista and and ran the network wizard in XP At the moment the vista and W7 machine can see each other but i get and error saying cannot access //(computer name)with the W7 and XP machines i can send a file when i type in the ip address (//192.168.1.?) into the W7 search bar but the XP computer is not shown in the network folder?

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Sep 24, 2012

Had a question regarding creating dial peers through sip trunks. It will be through verizon fios so it'll be terminated through the fa0/0 port. I know to the provider i'll implement something along the lines of this:dial-peer voice 1 voipsession target ipv4: fa0/0Many of the documentation I came across really only shows pots dial-peers will a voip dial-peer work the same? Something a long of the lines of this:dial-peer voice 2 voipdesination-pattern 91[2-9]..[2-]...... no digit-stripport fa0/0

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May 5, 2012

Alrighty, a little misdirected here. been reading docs for a little while and experimenting around maybe someone can point me in the right direction, How to you create a Guest Network in IOS Zone Firewall. For some reason Cisco, while using the term DMZ, applies differently on their routers than it does on their ASA's. I know how to do this on ASA's all day long however on the router it is a little different story.

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Nov 15, 2011

In my live VPN concentrator at work, my 5520 is showing a static route for each VPN client that is connected to my SSL vpn right now. This kind of confused me because wouldn't only one route to the address pools subnet be needed for my vpn users?

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Mar 23, 2012

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Apr 8, 2013

I could not ping and access internet after creating the VPN. Below is my setup and router configuration: [code] From the router 1941, i could ping up to but not up to Since i cannot ping, i suppose i cannot ping I am sure is there as i use another PC which is connected directed to the office network instead of through the router 1941, it could ping your info, the g0/1/0 is connected to the PC while g0/1 is connected to the office network.

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Jul 1, 2012

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