Cisco :: TIA-232 Terminal Server With Async Ports
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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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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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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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 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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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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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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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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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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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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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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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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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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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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May 4, 2011
I have a NM-4A/S serial network module which I suspect is having problem on a Cisco 3640 router. Is there a way which I can test the async ports out without connecting to any other devices? [code]
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Oct 13, 2011
I have need to test async communications through a pair of CGR 2010's..This emulates some particular serial-talking-only devices at either end that want to communicate with eachother. I've done stuff like this before but with modems attached to the PC's.
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Sep 26, 2012
transport the serial0 and serial1 from a remote route to a local router at his local serial0 interface.The routing mechanism is very easy, it like a RS485, incoming data at the local router is trasmited to the remote serial0 and serial1. If some data income at the serial0 or serial1 at the remote, this data travel to the local an is printed into de local serial0 Remote Serial0 and Serial1 ends at the local Serial0. The local Serial0 starts and ends at the remote Serial0 and Serial1.Both serials are RS-232 (is a async-protocol group)The RS-232 protocol is UNADDRESSED The application is a back-up serial link.
My Config is:
LOCAL R236:
bstun peer-name 192.168.33.236
bstun protocol-group 10 async-generic
interface serial0
physical-layer async
[code]....
If i debug the BSTUN PACKET:
*Mar 7 02:31:18.182: %BSTUN-3-NOPEER: No peer configured to route frame with destination address 0 (bstun group 10)
At the Cisco IOS Software System Error Messages ARAP Error Messages Manual notes:
BSTUN-3-NOPEER: No peer configured to route frame with destination address
[chars] (bstun group [dec])
Explanation A BSTUN route has not been configured for the frame with a destination address.Recommended Action If this message appears while you are debugging BSTUN, it indicates that no specific BSTUN route has been configured for the frames being received with the device address listed in the packet debug trace. You may choose to configure a BSTUN route, or ignore this message.I know that the address must be content on the frames that income at the serial port interface, I mean the router fordward the frames if this have some BYTE and the start that indicate what is address of a remote device, so i guess that this routing mechanism use that byte to select the remote router.But If I set the address at the local and remote route, the router is not who must include his own address in the frame?If I set a point to point link, the only way if I want to transport more that 1 link,? for now the only way is set TWO groups and set one for first link ant the other for the second. (Serial0--Group1--Serial0 and Serial1--Group2--Serial1)The router do not let me set the same group ant the same route. where at the Serial interface i set the LOCAL ADDRESS for a BSTUN protocol?
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Aug 22, 2012
I am pretty new to Cisco - and I have a little 506E that I love. I got it working with my first scenario where I have one server that is my web, and e-mail server.I also opened the RDP port so I can remote into it. The IP's for the old server are internal 192.168.1.23 name ferbweb-external 71.12.111.219 name ferbwebpub. Now - I need to add another server in the exact same way with the same ports 80, 25, and 3389 open to the outside - IP's internal 192.168.1.31 name ferbmail and external 71.12.111.220 name ferbmailpub.I can get to all of these ports on the new server on the inside network - so that is not the problem.So, I went into the config, copied the statements for the old server, and changed them for the new server and added them to the config. I can still get to the old server from the outside fine, but cannot get to any ports on the the new server from the outside at all.I have done a lot of research, and cannot find what I am doing wrong.
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Mar 5, 2012
I would like to monitor access ports to servers in cases:
- When port to server down, alert appears in Fault Monitor panel
- Monitor when bandwidth utilization of access ports exceeds 60%.
I configured Fault Threshold on DFM>System Defined Groups>Access port Settings and Poller settings on the same group but it did not work when I shut a port to server.
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Apr 28, 2012
How do I open all the ports for ALL of the ips on my dedicated server. I opened all the ports for the main ip that I RDP (Terminal Connection) into, but I can't seem to open the ports for the other ips that I got from my dedicated server provider.
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Apr 30, 2013
I recently signed up with AT&T U-Verse. They required that I buy a 2Wire 3600 HGV router. I looked up how to forward ports -- and even called an AT&T representative -- and I am sure that I forwarded them correctly. I'm trying to host a Minecraft Server. I forwarded port 25565 in TCP and in UDP. After that wouldn't work, the AT&T representative said that the traffic was being blocked from my side. I then checked my Windows Firewall and allowed all proper applications -- Minecraft and Minecraft Server. When that wouldn't work, I went in an manually added exceptions to Windows Firewall for TCP - 25565 and UDP - 25565 Inbound and the same for Outbound. Nothing.I have tried to check the ports in DMZ mode with Windows Firewall disabled -- they are still timing out. What should I do?
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May 23, 2011
I have a Dell Server on the way to me, a T110 to be specific. It will have win server 2008 R2 on it. I ordered it to come with Dual NIC cards. To be specific it is 1 card that has two rj-45 ports on it. My question is, what is the benefit of dual ports? I have heard of teaming but don't really know if that applies. I will be using this server for our company website and to facilitate local office backups as well as backing up our regional offices to it. I could see that it would benefit local LAN traffic speed, but outside of the LAN would it still benefit the speed of incoming connections from branch offices running backups?
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Mar 10, 2011
I've installed XAMPP on one of my Vista computers, and intend to use it as a server. The internal IP address of the server is A.B.C.D. The internal IP address of the DIR-615 is A.B.C.E. whatsmyip.com says that external address of the server is F.G.H.I (and so is everything else inside my network). I have Filezilla listening on port 21. I've turned Windows Firewall completely off on the server, and my ISP (Time Warner / Road Runner) says that they never block any port.I tried going to the DIR-615 using Port Forwarding, and set ports 21 & 90 to forward to A.B.C.D, for both UDP & TCP, Allow All, Always. That didn't work.I tried going to the DIR-615 using Virtual Server. I set a virtual server on port 21 to A.B.C.D, for both UDP & TCP, Allow All, Always. It made me turn off Port Forwarding, and it wouldn't let me use both 21 & 90 on the same rule, so made two rules. That didn't work either.
I tried setting A.B.C.D as a DMZ host. That still didn't work.I can ftp connect into A.B.C.D from one of the other computers in the network. People outside the network can't connect to F.G.H.I. I can't connect to F.G.H.I. from inside the network. The same is true of Apache (but ports 80, 81 & 443), Ventrilo (but ports 3784 & 6100) and MySQL (but port 3306). I figure that FTP is the easiest to test, so I've been just trying to get that to work.In FileZilla Server Options, I am bound to *, I have no filters, and my passive mode is set to "Retrieve external IP"As far as I can tell, if I've ruled out anything inside my network (by connecting internally), and I've ruled out my ISP (they don't block), then it must be the router. I think I've done port forwarding according to [URL], and it seems like it should be easy, but I've been trying forever and I can never get it to work.
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Aug 10, 2011
I was configure IPSEC vpn on ASA5540 and i have problem with port blocked. I am unable to block server ports to remote users.See below configuration. I need to configure vpn filter list but don't know how to configure vpn filter list.
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Dec 1, 2012
I have a server with 4 ethernet ports, 1G, they are bonded together, two of them was pluged into cat6500 module WS-X6724-TX. now we have moved the two ports to the replace module WS-X6748-GE-TX.
I have checked server side, the bond configuration are same no changed. what is possible reason replace module will cause link offline? why "sh run all" give the port is shutdown?
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