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New Member

Unable to Telnet to cisco router from internet

Hi , I am unable to telnet to public ip of cisco router from internet , Please help here in configuring that . I have cisco 3825.

Config-

line vty 0 4

privilege level 15

password *******

login

transport input telnet ssh

line vty 5 15

privilege level 15

login local

transport input telnet ssh

thanks

Gaurav

Everyone's tags (1)
8 REPLIES

Re: Unable to Telnet to cisco router from internet

Hi,

Check out any acl is configured or not in your router and just change the tranport input to only telnetthen check.

transport input telnet

Hope that helps out your query !!

Regards

Ganesh.H

New Member

Re: Unable to Telnet to cisco router from internet

Thanks Ganesh, i will try out and  see if that helps, also i would like to ask how to change the enable secret and enable

login password in cisco 3825, I am pasting config below please let m eknow how to change that,

version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname USSSTIMGR01
!
boot-start-marker
boot-end-marker
!
logging buffered 51200 warnings
!
no aaa new-model
!
crypto pki trustpoint TP-self-signed-2274024200
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-2274024200
revocation-check none
rsakeypair TP-self-signed-2274024200
!
!
crypto pki certificate chain TP-self-signed-2274024200
certificate self-signed 01
  30820249 308201B2 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 32323734 30323432 3030301E 170D3130 30313038 31363230
  35335A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649
  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D32 32373430
  32343230 3030819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281
  8100C3E7 06580C91 37873504 87D7FB90 0BCFF416 8AA9528C CC83932E AD9E63F6
  A3414E81 1D02731D 28BDCCFF 711C2D84 C30C19E0 E4A2626B BAC3A97B F303F35F
  1630EFAA 4A590DEE FC62B54E A5A47A10 5DF3B33F 82E3DEFF D8112DE0 A3ED34A6
  30CF9B50 E955919F DA75A4A8 D1FF7D82 C6541CD2 BE19EA2D D17FE41D 892F9CF7
  2FF90203 010001A3 71306F30 0F060355 1D130101 FF040530 030101FF 301C0603
  551D1104 15301382 1163612E 796F7572 646F6D61 696E2E63 6F6D301F 0603551D
  23041830 16801408 4FBA4278 115C65A9 93DE6964 5D7F1A1F 40847B30 1D060355
  1D0E0416 0414084F BA427811 5C65A993 DE69645D 7F1A1F40 847B300D 06092A86
  4886F70D 01010405 00038181 00A3A367 15545295 FE544A8B D737D6D7 AE16DE3B
  B72B831F FEBCA264 5F5A4D70 BFA9CB67 8719525B CCB58D9D 32CF6B16 1B396906
  A46B6189 DD1E6B40 493B1D65 D1D34D7B FE5882F3 3BDD4689 DEFDA3DE BEC5600E
  C1515D6B C636D8AE 8647CB39 9E3ABBDF 2BF9F5B3 D8B7CD91 620BB0E3 E14B4E74
  E282CE41 CDC6D98D CFB70490 5D
        quit
dot11 syslog
!
!
ip cef
!
!
ip domain name yourdomain.com
!
multilink bundle-name authenticated

!

username chsadmin password 0 ***************
username ca privilege 15 secret 5 ****************
!
!
archive
log config
  hidekeys
!

line con 0
exec-timeout 0 0
password *******
login
line aux 0
line vty 0 4
privilege level 15
password ********
login
transport input telnet
transport output telnet
line vty 5 15
privilege level 15
login local
transport input telnet ssh
transport output telnet
!
scheduler allocate 20000 1000
!
end

Re: Unable to Telnet to cisco router from internet

Hi Gaurav,

Check out the below link for changing password and doing some basic configuration in routers.Hope that helps out your query !!

http://www.cisco.com/en/US/docs/ios/12_2/security/configuration/guide/scfpass.html

and in line vty 0 4 configure tarnsport input telnet only and then try.

Thanks & Regards

Ganesh.H

New Member

Re: Unable to Telnet to cisco router from internet

Hi Ganesh, Thanks for the link ..actually my problem is someone else has configured that password (I know that paswd
)and i want to change that ,if i telnet to my router it directly takes me in level 15 instead of asking username .Just i need to enter username.Please advise.

Re: Unable to Telnet to cisco router from internet

Hi Gaurav,

Just change the below configuration and try

line vty 0 4
privilege level 15
password ********
login local
transport input telnet

Hope that helps out your query !!

Regards

Ganesh.H

New Member

Re: Unable to Telnet to cisco router from internet

I am able to change the login paswd, but wanted to have privilage paswd also , how to do that .

Re: Unable to Telnet to cisco router from internet

Hi Gaurav,

Your query about the thread is resolved or not and can you explain what privellage password just brief your requirement.

Regards

Ganesh.H

Hall of Fame Super Gold

Re: Unable to Telnet to cisco router from internet

Have you ever considered studying the documention to learn at least the most basic things ?

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