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telnet can't login cisco 2911 router with private address or public address

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zhentian1979
Level 1
Level 1

‎01-08-2013 12:19 AM - edited ‎03-07-2019 10:57 AM

                   We have a cisco 2911 router configured with password for telnet login, but I always failed to login use telnet, does any one know any place need to be modify? thanks!

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danielciscoswart
Level 1
Level 1
In response to cadet alain

‎01-08-2013 01:17 AM

line vty 0 4

transport input telnet

i believe your problem is that it is set to none.

Regards

Daniel

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cadet alain
VIP Alumni
VIP Alumni

‎01-08-2013 12:23 AM

Hi,

can you post output from show run | s line vty|access-class and sh access-list and sh ip int | i access-list

Regards.

Alain

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zhentian1979
Level 1
Level 1
In response to cadet alain

‎01-08-2013 01:10 AM

R01#sh run | s line vty

line vty 0 4

privilege level 15

password 7 110F1809124758xxxx

login

transport input none

line vty 5 15

privilege level 15

password 7 110F1809124758xxxx

login

transport input none

R01#sh run | s access-class

ip http access-class 23

R01#sh run | s access-list

ip access-list standard login

permit 192.168.20.76.0 0.0.0.255

permit 192.168.21.0 0.0.0.255

permit 192.168.10.0 0.0.0.255

access-list 10 permit 151.115.132.0 0.0.0.255

access-list 102 permit tcp any host xxx.xxx.xxx.xx eq ftp

access-list 102 permit tcp any host xxx.xxx.xxx.xx eq ftp-data

R01#sh ip int | i access-list

R01#sh ip int               

Embedded-Service-Engine0/0 is administratively down, line protocol is down

  Internet protocol processing disabled

GigabitEthernet0/0 is up, line protocol is up

  Internet address is xxx.xxx.xxx.xx/29

  Broadcast address is 255.255.255.255

  Address determined by non-volatile memory

  MTU is 1500 bytes

  Helper address is not set

  Directed broadcast forwarding is disabled

  Outgoing access list is not set

  Inbound  access list is not set

  Proxy ARP is enabled

  Local Proxy ARP is disabled

  Security level is default

  Split horizon is enabled

  ICMP redirects are always sent

  ICMP unreachables are always sent

  ICMP mask replies are never sent

  IP fast switching is enabled

  IP fast switching on the same interface is disabled

  IP Flow switching is disabled

  IP CEF switching is enabled

  IP CEF switching turbo vector

  IP multicast fast switching is enabled

  IP multicast distributed fast switching is disabled

  IP route-cache flags are Fast, CEF

  Router Discovery is disabled

  IP output packet accounting is disabled

  IP access violation accounting is disabled

  TCP/IP header compression is disabled

  RTP/IP header compression is disabled

  Policy routing is disabled

  Network address translation is enabled, interface in domain outside

  BGP Policy Mapping is disabled

  Input features: Stateful Inspection, Virtual Fragment Reassembly, Virtual Fragment Reassembly After IPSec Decryption, NAT Outside, MCI Check

  Output features: Post-routing NAT Outside, Stateful Inspection, NAT ALG proxy

  WCCP Redirect outbound is disabled

  WCCP Redirect inbound is disabled

  WCCP Redirect exclude is disabled

GigabitEthernet0/1 is up, line protocol is up

  Internet address is 10.115.132.1/24

  Broadcast address is 255.255.255.255

  Address determined by non-volatile memory

  MTU is 1500 bytes

  Helper address is not set

  Directed broadcast forwarding is disabled

  Outgoing access list is not set

  Inbound  access list is not set

  Proxy ARP is enabled

  Local Proxy ARP is disabled

  Security level is default

  Split horizon is enabled

  ICMP redirects are always sent

  ICMP unreachables are always sent

  ICMP mask replies are never sent

  IP fast switching is enabled

  IP fast switching on the same interface is disabled

  IP Flow switching is disabled

  IP CEF switching is enabled

  IP CEF switching turbo vector

  IP multicast fast switching is enabled

  IP multicast distributed fast switching is disabled

  IP route-cache flags are Fast, CEF

  Router Discovery is disabled

  IP output packet accounting is disabled

  IP access violation accounting is disabled

  TCP/IP header compression is disabled

  RTP/IP header compression is disabled

  Policy routing is disabled

  Network address translation is enabled, interface in domain inside

  BGP Policy Mapping is disabled

  Input features: Stateful Inspection, Virtual Fragment Reassembly, Virtual Fragment Reassembly After IPSec Decryption, MCI Check

  Output features: NAT Inside, Stateful Inspection, NAT ALG proxy

  WCCP Redirect outbound is disabled

  WCCP Redirect inbound is disabled

  WCCP Redirect exclude is disabled

GigabitEthernet0/2 is administratively down, line protocol is down

  Internet protocol processing disabled

NVI0 is up, line protocol is up

  Interface is unnumbered. Using address of GigabitEthernet0/0 (218.104.142.84)

  Broadcast address is 255.255.255.255

  MTU is 1514 bytes

  Helper address is not set

  Directed broadcast forwarding is disabled

  Outgoing access list is not set

  Inbound  access list is not set

  Proxy ARP is enabled

  Local Proxy ARP is disabled

  Security level is default

  Split horizon is enabled

  ICMP redirects are always sent

  ICMP unreachables are always sent

  ICMP mask replies are never sent

  IP fast switching is disabled

  IP fast switching on the same interface is disabled

  IP Flow switching is disabled

  IP CEF switching is disabled

  IP Null turbo vector

  IP Null turbo vector

  IP multicast fast switching is enabled

  IP multicast distributed fast switching is disabled

  IP route-cache flags are Fast, CEF

  Router Discovery is disabled

  IP output packet accounting is disabled

  IP access violation accounting is disabled

  TCP/IP header compression is disabled

  RTP/IP header compression is disabled

  Policy routing is disabled

  Network address translation is disabled

  BGP Policy Mapping is disabled

  Input features: MCI Check

  Output features: Post-routing NAT NVI Output

  WCCP Redirect outbound is disabled

  WCCP Redirect inbound is disabled

  WCCP Redirect exclude is disabledR01#sh run | s line vty
line vty 0 4
privilege level 15
password 7 110F1809124758xxxx
login
transport input none
line vty 5 15
privilege level 15
password 7 110F1809124758xxxx
login
transport input none
R01#sh run | s access-class
ip http access-class 23
R01#sh run | s access-list
ip access-list standard login
permit 192.168.20.76.0 0.0.0.255
permit 192.168.21.0 0.0.0.255
permit 192.168.10.0 0.0.0.255
access-list 10 permit 151.115.132.0 0.0.0.255
access-list 102 permit tcp any host xxx.xxx.xxx.xx eq ftp
access-list 102 permit tcp any host xxx.xxx.xxx.xx eq ftp-data
R01#sh ip int | i access-list
R01#sh ip int               
Embedded-Service-Engine0/0 is administratively down, line protocol is down
  Internet protocol processing disabled
GigabitEthernet0/0 is up, line protocol is up
  Internet address is xxx.xxx.xxx.xx/29
  Broadcast address is 255.255.255.255
  Address determined by non-volatile memory
  MTU is 1500 bytes
  Helper address is not set
  Directed broadcast forwarding is disabled
  Outgoing access list is not set
  Inbound  access list is not set
  Proxy ARP is enabled
  Local Proxy ARP is disabled
  Security level is default
  Split horizon is enabled
  ICMP redirects are always sent
  ICMP unreachables are always sent
  ICMP mask replies are never sent
  IP fast switching is enabled
  IP fast switching on the same interface is disabled
  IP Flow switching is disabled
  IP CEF switching is enabled
  IP CEF switching turbo vector
  IP multicast fast switching is enabled
  IP multicast distributed fast switching is disabled
  IP route-cache flags are Fast, CEF
  Router Discovery is disabled
  IP output packet accounting is disabled
  IP access violation accounting is disabled
  TCP/IP header compression is disabled
  RTP/IP header compression is disabled
  Policy routing is disabled
  Network address translation is enabled, interface in domain outside
  BGP Policy Mapping is disabled
  Input features: Stateful Inspection, Virtual Fragment Reassembly, Virtual Fragment Reassembly After IPSec Decryption, NAT Outside, MCI Check
  Output features: Post-routing NAT Outside, Stateful Inspection, NAT ALG proxy
  WCCP Redirect outbound is disabled
  WCCP Redirect inbound is disabled
  WCCP Redirect exclude is disabled
GigabitEthernet0/1 is up, line protocol is up
  Internet address is 10.115.132.1/24
  Broadcast address is 255.255.255.255
  Address determined by non-volatile memory
  MTU is 1500 bytes
  Helper address is not set
  Directed broadcast forwarding is disabled
  Outgoing access list is not set
  Inbound  access list is not set
  Proxy ARP is enabled
  Local Proxy ARP is disabled
  Security level is default
  Split horizon is enabled
  ICMP redirects are always sent
  ICMP unreachables are always sent
  ICMP mask replies are never sent
  IP fast switching is enabled
  IP fast switching on the same interface is disabled
  IP Flow switching is disabled
  IP CEF switching is enabled
  IP CEF switching turbo vector
  IP multicast fast switching is enabled
  IP multicast distributed fast switching is disabled
  IP route-cache flags are Fast, CEF
  Router Discovery is disabled
  IP output packet accounting is disabled
  IP access violation accounting is disabled
  TCP/IP header compression is disabled
  RTP/IP header compression is disabled
  Policy routing is disabled
  Network address translation is enabled, interface in domain inside
  BGP Policy Mapping is disabled
  Input features: Stateful Inspection, Virtual Fragment Reassembly, Virtual Fragment Reassembly After IPSec Decryption, MCI Check
  Output features: NAT Inside, Stateful Inspection, NAT ALG proxy
  WCCP Redirect outbound is disabled
  WCCP Redirect inbound is disabled
  WCCP Redirect exclude is disabled
GigabitEthernet0/2 is administratively down, line protocol is down
  Internet protocol processing disabled
NVI0 is up, line protocol is up
  Interface is unnumbered. Using address of GigabitEthernet0/0 (218.104.142.84)
  Broadcast address is 255.255.255.255
  MTU is 1514 bytes
  Helper address is not set
  Directed broadcast forwarding is disabled
  Outgoing access list is not set
  Inbound  access list is not set
  Proxy ARP is enabled
  Local Proxy ARP is disabled
  Security level is default
  Split horizon is enabled
  ICMP redirects are always sent
  ICMP unreachables are always sent
  ICMP mask replies are never sent
  IP fast switching is disabled
  IP fast switching on the same interface is disabled
  IP Flow switching is disabled
  IP CEF switching is disabled
  IP Null turbo vector
  IP Null turbo vector
  IP multicast fast switching is enabled
  IP multicast distributed fast switching is disabled
  IP route-cache flags are Fast, CEF
  Router Discovery is disabled
  IP output packet accounting is disabled
  IP access violation accounting is disabled
  TCP/IP header compression is disabled
  RTP/IP header compression is disabled
  Policy routing is disabled
  Network address translation is disabled
  BGP Policy Mapping is disabled
  Input features: MCI Check
  Output features: Post-routing NAT NVI Output
  WCCP Redirect outbound is disabled
  WCCP Redirect inbound is disabled
  WCCP Redirect exclude is disabled

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danielciscoswart
Level 1
Level 1
In response to cadet alain

‎01-08-2013 01:17 AM

line vty 0 4

transport input telnet

i believe your problem is that it is set to none.

Regards

Daniel

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danielciscoswart
Level 1
Level 1

‎01-08-2013 12:46 AM

Yeah if you could please show your running config ( cleaned up from private info including private ip addressing and passwords ).

Kind Regards

Daniel

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zhentian1979
Level 1
Level 1
In response to danielciscoswart

‎01-08-2013 01:23 AM

yes, it works now, thanks,Daniel!

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danielciscoswart
Level 1
Level 1
In response to zhentian1979

‎01-08-2013 01:24 AM

NP man glad to help

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