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I am unable to telnet NAT IP from outside but could ping at the same time. Please help. Here is the router configuration.

khan_munzir
Level 1
Level 1
 
Building configuration...
 
Current configuration : 3351 bytes
!
! No configuration change since last restart
version 15.1
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
!
boot-start-marker
boot-end-marker
!
!
logging buffered 51200 warnings
!
no aaa new-model
memory-size iomem 10
crypto pki token default removal timeout 0
!
crypto pki trustpoint TP-self-signed-1515919628
enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-1515919628
 revocation-check none
 rsakeypair TP-self-signed-1515919628
!
!
crypto pki certificate chain TP-self-signed-1515919628
 certificate self-signed 01
 
ip source-route
!
!
!
ip dhcp excluded-address 10.10.10.1
!
ip dhcp pool ccp-pool
 import all
 network 10.10.10.0 255.255.255.248
 default-router 10.10.10.1 
 lease 0 2
!
!
ip cef
no ip domain lookup
ip domain name yourdomain.com
no ipv6 cef
!
!
license udi pid CISCO881-K9 sn FCZ1639C2EX
!
!
!
!
!
!
!
!
!
!
!
interface FastEthernet0
 no ip address
!
interface FastEthernet1
 no ip address
!
interface FastEthernet2
 no ip address
!
interface FastEthernet3
no ip address
!
interface FastEthernet4
 ip address 10.1.1.245 255.255.255.0
 ip access-group KARIDGE in
 ip access-group KARIDGE out
 duplex auto
 speed auto
!
interface Vlan1
 description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$
 ip address 100.241.190.125 255.255.255.240
 ip tcp adjust-mss 1452
!
ip forward-protocol nd
ip http server
ip http access-class 23
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
!
ip route 0.0.0.0 0.0.0.0 100.241.190.113
!
ip access-list extended KARIDGE
permit ip host 10.1.1.6 any
permit ip any host 10.1.1.6
!
access-list 23 permit 10.10.10.0 0.0.0.7
no cdp run
!
!
!
!
!
line con 0
 login local
line aux 0
line vty 0 4
 privilege level 15
 login local
 transport input telnet ssh
!
end
3 Replies 3

mgaven
Level 1
Level 1

Your post says anything about your NAT configuration. Which are the source and destination networks to the Telnet you are trying?

Can you explain your topology with more details?

I am trying to telnet IP: 100.241.190.125. This i can ping from outside the network (Internet) but could not telnet it.

Can you connect throght SSH? Which is the error message that you see?

 

Looking at your configuration file I don´t see the lines "enable secret" neither "enable password". If you don´t define them you can´t connect remotely to any device.