Cannot Telnet into 1921 router

Please Help, I cannot telnet into my 1921 router and not sure how to fix this. See below.
line con 0
password 7 XXXXX
logging synchronous
login local
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
password 7 XXXXXX
logging synchronous
login local
length 0
transport input none

Hello Brad,
Try entering
line vty 0 4
transport input telnet
Hope this helps,
if so, please rate.

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Cannot telnet into router

What do I do when all of a sudden I can't telnet into my router through any interfaces?
I can ping the interfaces successfully, by IP and DNS name. Nothing has changed since the last successful login.
error msg:
Connecting To c3640...Could not open connection to the host, on port 23: Connect failed

The symptoms you describe sound like all the vty ports are in use. This may happen if you have configured the vty ports with no exec-timeout (or with exec-timeout 0 0 which is the same thing). If you can get to the console port the show user command (or the who command) should indicate which vty are in use - and I suspect that they all are.
If you can get to the console port and enable mode you could clear some of the sessions which would make telnet work again.
If you can not get to the console port you might wait and try later and see if it works after someone logs off. The other alternative is to reboot the router.
HTH
Rick

I cannot get into my router setup using 10.0.1.1

I cannot get into my router setup using 10.0.1.1
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This sounds like you are trying to use a web page setup for the AirPorts, which will not work.
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Cannot telnet into ACS 5.2

Cannot connect to ACS device using telnet IP: port 1812? Seems it is using this port config by default.
Is it because of the port it's trying to use? Is there a way of changing the port? If so, where does one do this in the ACS device?
I have two 4400 series WLC's one is on the same network segment as the ACS, I can authenticate through the ACS on this one. The other WLC at a different location, cannot authenticate through the ACS. But if can't telnet into it, it's probably not letting something through?
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Acs 5.1 supports ssh
Port 1812 is used for radius packets on the acs. Not telnet. Nor ssh.
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Sent from Cisco Technical Support iPhone App

I cannot telnet into my WRT54GC linksys router

C:\>telnet 192.168.1.1 and a i get the following response Connecting to 192.168.1.1... Could not open connection to the host, on port 23: Connection failed. Someone to know how can I telnet my router?

I don't think the device has telnet access, try the web interface instead i.e. http://192.168.1.1

Laptop cannot log into WRT120N Router, but ipad can...

Confused about this one....
I connect to several different routers at 192.168.1.1 and the WRT120N stops me at the user/password screen.
I thought it was a router problem - so I flashed newest firmware to the unit...(yes - I was able to get into the boot loader screen on the unit) and then after upgrading, was stopped with the user name and password just not letting me past....
Then I used the setup CD - it configured the router and left a text file on the desktop with the configuration settings....those settings would not allow the laptop (using both Firefox and IE) to get past the login pop up.
I then tried access by using an ipad....got right into the setup screen of the router....
So - what is it on the laptop that does not allow access to the 120N router - but access to other routers....(ie the address is not blocked by a firewall)???
Open to suggestions....
B

I’ve read an article that this is common in the old firmware version and they strongly advised to perform a firmware upgrade. Before doing an upgrade, you need to reset the router button for exactly 10 seconds. Check out this link: http://kb.linksys.com/Linksys/GetArticle.aspx?docid=9af8f4ff4b7940fab9142139d06e471a_Unable_to_reset...

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Hello,
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Hello.
Not clear what is your issue, but default behavior for ISR G1/G2 is to remove IP-address from the interface whenever you move it between VRFs.
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but if i use console cable to connect to router, syslog will show up when shut/no shut.
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Did you try command 'logging on' ?

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HTMLGEEK,
there are 2 things you need to check..
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Cannot Telnet to Server

Dear all,
I have a problem telnetting to a Solaris 10 server (sunFire V240) after it reboots.
If I do an svcs -a | grep milestone
It tells me that the muti-user and multi-user-server processes are running. I did notice that the multi-user-server did not always start during start up.
I tried to do an svcadm enable -r svc://milestone/multi-user-server:default
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The strangest thing is this: I can ping, but I cannot telnet into the machine.
I did an svcs -a | grep telnet and the telnet process is running. (obviously, i checked that before).
Now the current state is this:
I can telnet FROM this server to other servers, but I cannot telnet from this server TO other servers. I always get: "Connection Refused"
Has anyone else here been in this situation? I'm new to svm, and perhaps I'm missing something? I read all the manuals I could find, but still no luck.
Please, if you can help me, I'd really appreciate this as this server's state is causing me a lot of problems.

Out of curiosity, I'd like to know something also:
when doing an svcs -a | grep milestone, the server tells me the following:
online svc:/milestone/name-services:default
online svc:/milestone/devices:default
online svc:/milestone/network:default
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online svc:/milestone/sysconfig:default
online svc:/milestone/multi-user:default
online svc:/milestone/multi-user-server:default
I'm just curious,but how is it both single-user AND multi-user-server BOTH can be default?? I specified that I want the multi-user-server to ALWAYS be the default for when an init 6 is issued, and I'm not entirely sure the machine has respected my wishes.
Have I misunderstood the above concept of what the svcs -a is producing, or is my Solaris 10 server not behaving normally?

Cannot Telnet back into standby ACE after upgrading to V4(2.1)

I am in the process of upgrading from v3.2.5 to v4.2.1, i have been follwing the upgrade/downgrade guide forv4(2.0) for my redunanant pair of ACE 4710.
everything ok, following procedure after the standby is reloaded and comes up to standby-warm, Iget the license incompatabilty message on the primary.
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Hi, I have a similar problem, when I want to telnet to the ACE sometimes does not work, can you tell me how can I give to the admin context more resources?

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Hey katikapral,
The article linked below details a few additional troubleshooting steps that can help get iMessage successfully activated on your iPhone.
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From BB, cannot get into Router to reconfigure it via browser interface (e.g. 192.168.1.1)

Hi guys.
INet browsing via WiFi works (BB 9105), but I would like to get into my Router too, to reconfigure it. When I try to access my router, 192.168.1.1, or my ADSL modem (192.168.0.1) I always get the 504 error (Gateway Timeout), which is the same error I get when browsing through BIS.
Of course, through BIS I cannot access my router or modem, but with WiFi it should be possible to access it.
To make sure, I turned off BIS on my 9105.
I also, via a PC, configured the router to allow my BB MAC address to access the router.
Are they not compatible at all?
Or do I have to use a different browser on my BB?
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Tato

Hello Tato,
I hesitated posting here because I cannot give you a definitive answer, I've looked around and havn't seen any answers to this question specifically either.
What I can tell you however is using my mobile phone browser I have had no problems accessing my router while I am connected through WiFi, saying this I will also mention I use a DLink and am connecting with the same process in my case 192.168.0.1
Sorry, I can't tell you how to get it working, but hopefully this will keep you interested enough in the problem to get it sorted out.
Hope this helps,
Euclidics
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If this or any posts in this thread were the solution to the topic, please accept the post as the solution so others can view it.

I cannot get into router page via server? But can on any other device?

Comcast Business Cisco 3939B wifi router.
I can log into the router page just fine on ANY other workstation or laptop direct connected to any of the 4 ports of the router using 10.1.10.1. I can access via Android phone browser via wifi also.
It just asks for username and password. No problem.
BUT.
When I try to do this SAME thing from the Windows Server 2012 R2 Essentials connected via Ethernet port using Windows Explorer, it gets to the username and password page and after that, just sits there and says "logging in...".
Does Windows Server 2012 R2 Essentials by default prevent this? or Internet Explorer do this? Do I need to set something on the server?
Not sure if the subnet mask 255.255.255.0 has anything to do with it?
thank you for any help.
This topic first appeared in the Spiceworks Community

Try these; 
Clear the Cache '''''Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"''''' 
and 
Remove Cookies '''''Firefox/Tools > Options > Privacy > Cookies: "Show Cookies"''''' 
If that does not help,
'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode start Firefox in Safe Mode]'''''.
Let us know how you do.

Cannot Telnet to ACE 4710 after upgrade to A4(2.3)

I have a pair of ACE 4710s with 12 contexts sharing the load, running A4(2.1). Yesterday I upgraded one of them to A4(2.3)
now I cannot telnet to the Admin context.Pings ok. I can telnet to other contexts on the box and everything seems to be working ok
when i do a " sh telnet"
comes back with
No Session Information is available
sh telnet maxsessions
telnet maxsessions 16
Can anybody help?

further this post, it was not a resource problem as had allocated 5% for the Admin context.
I up graded IOS Saturday evening, could not Telnet in, tried again on Sunday same result,
though this morning (Monday) Can now telnet in ok very strange
I was connecting via the AUX line of a 2851 router to the console port.
whe I disconnected this morning I saw the following message
INIT: id "T0" respawning too fast : disabled for 5 minutes
not sure if this is a 2851 message or an ACE message, but after getting that message is when I was able to Telnet in
was it a coincidence
anybody any ideas

Cannot Telnet into 1921 router

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