Terminal server 2511

Question

hello folks i am new to cisco i have 14 cisco routers some 2500,2600,3600,switches,1900,2900,3500,i have read the setup for telnetting with the 2511 can telnet to most but not to all,i am using both asyn lines any reason why i cant connect to all the units, thanks for you help in advance.

Answer 1

here is an outerminal_server#sh run
Building configuration...
Current configuration : 1167 bytes
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname terminal_server
enable secret xxx
ip subnet-zero
no ip domain lookup
ip host sw2924b 2002 192.168.0.211
ip host sw2924c 2003 192.168.0.211
ip host r4 2004 192.168.0.211
ip host r5 2005 192.168.0.211
ip host r13 2013 192.168.0.211
ip host r16 2016 192.168.0.211
ip host sw2924a 2001 192.168.0.211
ip host r6 2006 192.168.0.211
ip host r7 2007 192.168.0.211
ip host r8 2008 192.168.0.211
ip host r9 2009 192.168.0.211
ip host r10 2010 192.168.0.211
ip host r11 2011 192.168.0.211
ip host r12 2012 192.168.0.211
ip host r14 2014 192.168.0.211
ip host r15 2015 192.168.0.211
interface Loopback0
ip address 192.168.0.211 255.255.255.0
interface Ethernet0
no ip address
shutdown
interface Serial0
no ip address
shutdown
interface Serial1
no ip address
shutdown
ip classless
ip http server
banner incoming ^C
welcome to my terminal server do you have my password ^C
line con 0
line 1 16
flush-at-activation
transport input all
stopbits 1
line aux 0
line vty 0 4
login
end
terminal_server#tput of my config