Cisco :: 2901 Terminal Server Configuration
May 12, 2012
I have just purchased 2901 with HWIC-16A and 2 CAB-HD8-ASYNC Terminal Server to manage 16 (connect via console) cisco deivces.
Plese find attached the config file. I could not find proper docs on setting up this device as a terminal server. I have followed the following link but did not work.
[URL]
There are 16 Async (0/0/0 - 15) interfaces and also the following lines.
line 2line 0/0/0 0/0/1line 0/0/2 0/0/15
How can I connect to other Cisco devices via the terminal router?
usage of above 16 Async interfaces and lines.
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Apr 19, 2011
I have a Cisco 2901 Terminal server with AAA authentication via ACS server. I create twoaccounts on the acs server, cciesec2011 and vendor. Both accounts can log into the Cisco 2901 Terminal Server without any issues. By the way, I am NOT using AAA authorization on the Cisco Terminal Server. Once cciesec2011 or vendor accounts are authenticated, theseaccounts can access all the async line on the Cisco Terminal Server.
Now I have a new requirements. I would like to allow cciesec2011, once this account is successfully authenticated, this account has access to ALL async line on the Terminal Server. The "vendor" account, I want to restrict this account access only to async line 35 (there are 32 async lines available on the Cisco Terminal Server) and nothing else.
How can I accomplish without using AAA authorization on the Cisco Terminal Server?Is it possible to use "privlege level" to accomplish this? if so, how?
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May 18, 2011
Since Cisco 2511 is out of sale now and Cisco 1900 series are recommended to replace for the purpose of terminal/comm server. How to configure terminal server on HWIC-8A module?
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Nov 30, 2011
i trying to set up a terminal server, 2811 with an HWIC-16A und two octo cables. [code] connect and sometimes not. It seems the connection is established but i don't get a prompt von the target device.The target devices are cisco 2811 and cisco catalysts 3560.
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Jan 31, 2012
I've a RV082 with 2 internet connections.The idea is to permit external connections to my server and if one Internet line falls, automatically switch to the other.
We have configured the router in Smart Link backup.We try to connect with WAN1 and WAN2 enabled and all works fine.
We try to connect with WAN1 disabled and automatically WAN2 is activated.The problem start here...if WAN1 is activated while there are connections using WAN2, these connections falls!
How I must configure the router to permit that active connections are not disconnected from WAN2 even when WAN1 connection come back?
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Feb 1, 2011
Any example of router config for a terminal server.In fact I need a configuration for a router with multiple, low speed, asynchronous ports that are connected to other serial devices, for example,modems or console ports on routers or switches.With this router I would like to use a reverse telnet to connect with my devices using the serial connection.I find many examples on the Cisco web site but none with my router hardware configuration.My router is a 3620 router with a 8 port async (NM-8A/S) network module and I would like to use the 8 serial interfaces, each of them connecting a serial device.
Here is the show run and show ver :Router#show ver Cisco Internet work Operating System Software IOS (tm) 3600 Software (C3620-I-M), Version 12.3(25), RELEASE SOFTWARE (fc1)Copyright (c) 1986-2008 by Cisco Systems, Inc.Compiled Mon 28-Jan-08 20:16 by alnguyen
ROM: System Bootstrap, Version 11.1(19)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1) Router up time is 1 minute System returned to ROM by reload System image file is "flash:c3620-i-mz.123-25.bin"
[Code]...
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Jun 2, 2012
What command sequence disconnects you from a TS session? My setup is as followsr1 > TS > 2009-2621XM 2010-3825-R1 2011-3825-R2I can connect from the TS to any of the devices. The issue is that I am telnet'd to r1 and from there telnet'd to the TS. So when I type "Crtl+Shft+6, x" I go directly back to r1 and not the TS. Furthermore if I resume the session on r1 the TS is still connected to whatever session I was in prior to disconnecting. I've experimented with the disconnect and escape characters but I'm at a loss what it is that changes this.
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Jul 24, 2012
We have the 16-port (NM-16A) and 32-port (NM-32A) asynchronous (async) network modules which provides 16 or 32 EIA/TIA-232 (formerly know as RS-232) data terminal equipment (DTE) serial interfaces at speeds up to 134.4 kbps . Few of the interfaces are connected to the console of cisco switches and routers , now we need to know that the remaining interfaces can be connected to console ports of devices other then cisco Systems to manage them , Will it work with them ?
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Apr 19, 2012
I want to build up cisco 3800 series router as terminal server , i have Asycs 32A module in cisco 3825. Here is show version of device.Do i need to installed any specific IOS in Cisco 3825 device ? how to configure cisco 3825 as terminal server.
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May 2, 2012
I am running ASA 5505 release 8.2(4) using a clientless SSL vpn to connect my assessors to the server via RDP to a Terminal server. Everything was working fine until last week when we had a Internet outage. During the outage some of the assessors claimed to have accepted a Cisco add-on to get into the site. once the internet came backup they could not connect to the terminal servers - what would happen is they would click on the link - say OK to connect the clipboard and the screen would pause for a few seconds then right back to the select options page.
they can get to other servers (non-terminal servers) but not to the ones they need. I can recreate the issue by waiting a REALLY long time before replying to a prompt to install an cisco add-on. I have users that can connect and others than can not. Also this only seems to affect Internet Explorer 8 and 9 does not affect Firefox
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May 15, 2012
I've heard that you can configure an 1811 router as a terminal server for remote console work.I have several of them in the lab and would love to try it out.
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May 26, 2011
I have rolled out Terminal Services on Server 2008 R2 for a company I used to work for, it worked perfect the users could go home and browse to our web domain and login and use apps straight from the server.there'd be no Microsoft stuff to be accessed just pure Linux Servers but probarbly if users access the online terminal services on Linux they'd be using a Windows PC
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May 11, 2011
Im having some printing issues whenever im working on the terminal server. If I try to print a document out in "landscape", it will print out "portrait", seen though it displays properly in landscape in the print preview. If Im working locally on my PC, it prints out fine.
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Jan 28, 2011
PC-1 connect to printer as local printer but shared for other PC.
PC-2 through TS can see the shared printer. This is OK. But when the printer move and connect to PC-3.
PC-3 connect to the server through TS and want to have print out some document from the server to the printer. But unfortunately the Printer cannot be seen through TS. Even the printer already shared.
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Feb 23, 2011
I am trying to come up with a config for implementing QoS over a 512 kbps WAN link that will traverse voice and data traffic for now. I am using a Cisco 2901 router with 15.1(3)T IOS on it. my config is below
class-map match-any DATA-PRIORITY match protocol citrix match protocol sshclass-map match-any VOICE-CONTROL match protocol skinny match protocol mgcp match protocol h323class-map match-any VOICE match protocol rtp audio class-map match-any ANY match any [ code]...
THE ISSUE IS : when i add in the service-policy output WAN- QOS- POLICY command , i get the error " insufficient bandwidth 256kbps for bandwidth guarantee (180)". if i take out the " bandwidth 512 " command out then i get no issues adding the above command on interface g0/1
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Jul 11, 2011
I have a cisco 2600 router with 4A/S module, can it become the terminal server? If yes, which kind of octal cable should I choose to connect to other cisco routers console ports?
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Mar 25, 2012
Using EMM as a nice friendly interface for their terminal server (ie router with NM-16A and octal cables)?when I ask the framework to run the following command it gets stuck will a blinking cursor and clear screen
<IOSExecCommand>"connect 10.1.1.1 2000"</IOSExecCommand>
however removing the port number allows it to connect fine.
<IOSExecCommand>"connect 10.1.1.1"</IOSExecCommand>
same symptom if iI were to replace connect with telnet
<IOSExecCommand>"telnet 10.1.1.1 2000"</IOSExecCommand>
even setting up an iphost does the same ie:
ip host R1 2000 10.1.1.1
<IOSExecCommand>"connect R1"</IOSExecCommand>
All of these commands work fine from the # prompt
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Mar 5, 2011
I am having two issues:
1. my email going out is working along with internal, but inbound email is not working. My barracuda email filter is 192.168.1.107 and my exchange 2007 is 192.168.1.222 along with this OWA does not work.
2. Terminal Services does not work when I try from the home pc in I get server not available or disconnected
Below is my congig
ASA Version 8.3(1)!hostname wsigatewaydomain-name wsystems.comenable password yVSkMxWRc/S396FB encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Ethernet0/0 nameif outside security-level 0 ip address 64.XXX.XXX.XXX 255.XXX.XXX.XXXinterface Ethernet0/1 nameif inside security-level 100 ip address 192.168.1.1 255.255.0.0!interface Ethernet0/2 shutdown no nameif no security-level no ip address!interface Ethernet0/3 [Code]....
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Sep 21, 2011
I have verizon wireless router to connect to the internet via FIOS. The public IP on the wireless router is DHCP assigned. I have my home lab with cisco 2511 and octal cables. I would like to be able to access the terminal server remotely via the internet when I'm not in. I'm concerned cause the wireless router is DHCP assigned IP. Even if I have a static IP on the ethernet port of the 2511 connected to the wireless router, I'm not sure if the NAT will work so it can be accessible from the internet.
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Jun 24, 2011
We have a Cisco router 2901 with 10M dedicated link on Gi0/0 interface, 3 VLANs on Gi0/1 interface. The Gi0/1 is subinterfaced for default, LAN and DMZ segments.LAN is assigned 172.16.1.0/24 and DMZ 192.168.1.0/24. We host a web server (192.168.1.11) and dns server (192.168.1.18) on DMZ VLAN. On the same WAN interface we have confiugured PAT and NAT. For outside queries to DNS and WEB servers everything works fine but when we try to open the website on our web server from internal LAN, we can´t do it.
When PINGing the web server by its IP address 192.168.1.11 or by the FQDN, the requests respond fine. The domain.com and [URL] resolve and respond with public IP address of our WAN link as the DNS server is configured. But when we try to open [URL] in the Internet browser the website does not open.
What could be the issue? Can be anything with NAT or PAT configuration?
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Nov 20, 2011
I'm new to routing and cisco in general. I'm inheriting a rather simple setup but would like to approach the next steps with a good strategy. Currently we have a 2901 router with public IP's on bother interfaces. The internal facing interface is our gateway for some webservers and a firewall. Not we are looking to add a colocation site and establish a site to site VPN using another 2901. My goal is to have the colocation use the same internal 10.100.0.0/23 network. My question is what is the best way of going about this since the router at the main site has public IP's on both interfaces? Do I need to multi-home the internal facing interface? If so, what else needs to be done?
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Apr 22, 2012
I have a switch(6500) with 2 vlans(2 SUBNETS) and from the other side of my network i have 2 terminal servers.
I want to have a VIP in my 6500 switch which i have the 2 vlans and when the first vlan(network) try to connect to the VIP
my switch will forward to first terminal.When the second vlan try to connect to VIP the switch will forward to second terminal.
I'd like the switch to decide in wich terminal server will forwared the packet based on source network.
I am not sure how i can do this???I use VIP with SLB???I use NAT???PBR?
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Jul 23, 2012
I have a 2611XM that I am using as a terminal server for my lab setup. Async is using octal cables. It works great with routers of all different models, but when I connect a switch of any model, it does not work. The connectivity LEDs don't even light (they do for the routers). The switches in question are 3750s and 3560s.
I have tried straight through from the octal cable to the console port of the switch, as well as a rollover with a converter, no luck. This does seem to be independent of configuration on the console port - even before the console port of the routers were properly configured, I at least had indication of physical connectivity.
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Feb 8, 2012
I have an annoying problem with networked printers disconnecting/disappearing when TS users logoff. Current configuration is: SQL server (WinSvr 2K8 R2 Std) has printers installed on it (standard TCP/IP Port) and printer is shared, there are also some printers installed on the DNS server and a couple of satellite offices. Users connect to TS servers (WinSvr 2K8 R2 & WinSvr 2K3) printers are connected and work fine until they logoff, when they log on the printers are gone "sometimes some printers are still there!?" I have tried logging onto the server as domain administrator and connecting printers but they won't even stay for administrator (have had this with win7 client machines) and tried directly 'console' at the server. I have looked at the printers on the SQL server and sharing properties, it is stoping printers from coming back at login on TS Note that local (client machines) connecting to the same shared printer from the SQL server don�t have the problem it's just on the TS server.
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Jul 7, 2011
I have to install and configure two 2901 routers at different location with high availability. These 2 routers would be connected through WAN, now I would like to configure high availability bwtween two routers.
I have attached a small diagram of the placement of 2 routers.
how do I configure high availability between these 2 links or routers.
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Oct 23, 2012
I have a set-up with multiple C2960 and C3750 switches. All these devices are being managed remotely. So basically I login to C2901, which is used as a Terminal Server, and reverse SSH to the console of each device. That's - I have assigned an IP to each port of the terminal server so that I can SSH directly to the desired device through via the mapped IP.
Now, recently I had to restart couple of switches - one C2960 and C3750. I initiated the reboot via console connection remotely. I could see the device logs for some time and then the logs stopped and there was no reaction from the console irrespective of any command I tried to enter.
I tried resetting the line on the terminal server, but that didn't work.
Now when I try to SSH the IP mapped to console of that particular device - i dont get any login prompt and there is no effect on device after giving any command. Although i can see the logs on the console session - but cant do anything.
I have a second way of connecting the device via inband- management, and checked the device config found it correct. It is same as other devices which are working correctly.
Both C3750 and C2960 are behaving exactly same - can see logs on console but see effect of even pressing enter - not getting login prompt as well.
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Aug 17, 2011
We have created a sample configuration for ISRG2 2901 Router. The sample configuration is long, and with copy/paste it is possible to skip some lines, and it is difficult to ensure the configuration of every device is standardized due to this error possibility. What we are trying to achieve is first create a template from this sample configuration file, and then create configuration files for each device seperately and automatically. After creating this configuration instances, we want to be able to distribute the configuration files (and possibly the ios) to the devices during the staging phase. Since there are about 1000 2901 routers, creating configuration files is important?
From searching we have found the following tools:
1) CCE (Cisco Configuration Engine): This tool seems to be very efficient for distributing the created configuration files. We may use the serial number of the device, and it provides almost zero touch provisioning of the configuration files to the devices. Creating the configuration file from the template seems to be manual, i.e enter the ip addresses of the interfaces, the routing tables one by one for each device. How can we use velocity template for device configs?
2) Ciscoworks LMS Prime: It is possible to create a baseline template for the devices, and after getting the backup configuration of the routers, it is possible to compare the actual configuration of the device with the baseline template, and understand if there is any difference with each other. This is indeed very useful in order to keep the configuration standardized, we again could not find a way to create bulk configuration files from the baseline template.
3) Solarwinds Config Generator: This tool is useful for creating a configuration file from a template, but again not for automatically creating configuration files, and needs manual intervention.
4) Excel Macro: It seems that some people have achived to automatically create configuration files with using an excel macro, but we could not find a procedure or tip of how to achieving this.
5) Pearl or TCL/TK Script: Again since we are not software developers but from networking field, it is difficult to achieve a working form of this scripts or codes due to to lack of documentation and development experience.
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Dec 3, 2011
I have the following problem on configuring ezvpn for the following situation: 3 different locations - 1 HQ with 2901 server and 2 offices with 861 clients.
Clients connects to HQ, I do traffic between HQ and offices but I cannot ping between offices (ping from 192.168.1.0/24 to 192.168.2.0/24 and vice versa.
The configs:
aaa new-model
!
!
aaa authentication login default local
aaa authentication login vpn_xauth_1 local
[Code]....
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Sep 19, 2012
I am trying to configure a 2901 router to act as NTP server on my network.This set "ntp master" in the router.I have no possibility to access an NTP server on the Internet.Now I want to configure a Windows 2003 DC to update the time from the NTP Server (router 2901).In Windows 2003, the registry value "Ntp Server" may have to be IP addresses or FQDN? (In my case I put router_ip_address, 0x1) 0x1 = use this "SpecialPollInterval" to update the time? Where you can find that these actions mean "next action is 3"? In Event Log in Windows 2003 DC receipt Event ID 35:The time service is now synchronizing the system time with the time source ROUTER2901_IP (ntp.m | 0x1 | W2K3_SERVER_IP: 123 -> ROUTER2901_IP: 123).Configure "Special Poll Interval" in 10 seconds.But the time on the Windows Server 2003 DC continuous five minutes ahead of time compared to the 2901 router.
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May 2, 2012
i'm interested if it's possible to set the NTP server via DHCP on an 2901 Router with 15.2(2) image.
i configured the interface gigabit 0/0 as dhcp client. The DHCP Server sends to me DNS, Default GW and NTP. All is working fine, but the NTP will not be configured. i tried to add an DHCP option request, but there is no NTP (42) value. [code]
is there any way to add the value NTP (42) for the DHCP request or isnt it possible?
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Apr 5, 2013
I have a ASR 1006 router in my environment and I want to make it a DNS server for some reason. I tried to configure the command IP dns server on the ASR but it does not accept the command. I also have a Cisco 7206 VXR router in my environment which acepts this command.
The IOS version of my ASR is IOS-XE Software (PPC_LINUX_IOSD-ADVENTERPRISEK9-M), Version 15.1(3)S2.
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May 22, 2012
I do not have wireless internet access and I get the message "There may be a problem with your Domain Name Server (DNS) configuration" when I try to diagnose the problem.I am on the internet by bypassing the router and having a wired connection from the modem to the computer right now. The problem started when I tried to get a second computer to work with the wireless connection (so with the computer I'm on right now, wireless worked a few days ago). [code]
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Jul 1, 2011
trying to configure 2 cisco routers (3620 and 2501) Im using a RJ45 to DB9 cable and trying to see it in Tera Term. Nothing shows up in the terminal, and i cant even enter any imput. Ive tried hot-plugging into it, tried powering it up after making the connection, 3 different cables, 2 different computers (2 coms apiece-tried both) and every possible baud speed including the recommended 9600. (with no parity or flow control) the lights on the routers all come on and from what ive read they are not blinking out an error code. Ive also tried plugging the RJ45 into the AUX instead of CON and still, no cigar. BTW- running WinXP on Pentium4 2.53Ghz and 1G of RAM.
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