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Technical Tips

Cisco IOS to NetBlazer: IP Static Route DDR Using CHAP

Cisco IOS 11.0(9) and NetBlazer 3.1 Patch 6.

 no service pad
 service timestamps debug datetime msec
 service udp-small-servers
 service tcp-small-servers
 !
 hostname cisco
 !
 enable password xxxxxxxxxxxx
 !
 username tibelet password 7 xxxxxxxxxxxxxx
 isdn switch-type basic-5ess
 !
 interface Ethernet0
  ip address 193.191.2.1 255.255.255.0
 !
 interface BRI0
  ip unnumbered Ethernet0
  encapsulation ppp
  dialer map ip 193.191.100.1 name tibelet broadcast 5553733
  dialer-group 1
  isdn spid1 0155537350
  ppp authentication chap
 !
 ip route 193.101.100.0 255.255.255.0 193.191.100.1
 ip route 193.191.100.1 255.255.255.255 BRI0
 dialer-list 1 protocol ip permit
 !
 line con 0
 line vty 0 4
  password cisco
  login
 !
 end

Sample NetBlazer Usage

cisco#



 NetBlazer____

 Top>hostname tibelet
 tibelet:Top>ip address 193.191.100.1
 tibelet:Top>ipdial
 Interface name: cisco
 Do you want to allow dial-in to this interface [y]? y
 Please provide the information that the remote system 'cisco'
        will use to contact this NetBlazer
 This info will be used to create a new user account on this NetBlazer.
 Want to enter a password [y]? n
 Issue a crypto handshake [n]? y
 Enter the crypto key (no echo): <Enter>
 Re-enter the crypto key: <Enter>
 User: cisco            privs:    M      dest-group: <Enter>
 Okay (yes|no|quit) [y]? <Enter>

 Do you want to allow dial-out from this interface [y]? y
 Begin adding dial-out 'cisco' ...
 Phone number: 5553735
 Line characteristics [dialout]: bridialout
 Adding new dialout: NAME=cisco, phone=5553735, characteristics=bridialout
 Okay (yes|no|quit) [y]? y
 Add another dial-out [n]? <Enter>
 User ID to send to remote system [tibelet]: <Enter>
 Want to send a password [y]? n
 Will remote system issue a crypto handshake [n]? y
 Enter the crypto key (no echo): <Enter>
 Re-enter the crypto key: <Enter>
 Chat script [ics]: pap-chap

 Begin adding interface 'cisco' ...
 SLIP or PPP (s|p) [s]: p
 What is the Maximum Receive Unit (MRU) [1500]: <Enter>
 Add dynamic interface=cisco, user=tibelet chat=pap-chap, with crypto
 handshaking using PPP, MRU=1500
 Okay (yes|no|quit) [y]? <Enter>

 Add routes for interface [y]? <Enter>
 Begin adding route thru 'cisco' ...
 Destination name or address/bits (Return to finish routes): 193.191.2.0/24
 Metric [1]: <Enter>
 Private [n]: <Enter>
 Add route destination=193.191.2.0, bits=24, metric=1, not private
 Okay (yes|no|quit) [y]? <Enter>
 Route added
 Begin adding route thru 'cisco' ...
 Destination name or address/bits (Return to finish routes): <Enter>

 ... Done adding cisco.
 Make sure Remote and Local agree on password and crypto key

 Dynamic interface=cisco, framing=PPP MRU=1500 (therefore remote MTU<=1500)

 Outbound Call Setup - To dial out this host (tibelet) will do the following:
        dial phone number(s):  5553735
        invoke the chat script (pap-chap) to send userNAME=tibelet
        will use key=cisco to respond to crypto challenge from remote


        Routes via cisco:
 Dest            Len Interface    Gateway          Metric  P Timer  Use
 193.191.2.0     24  cisco                         1         0      0

 Inbound Call Setup - When a call comes in this host (tibelet) prompts:
                login:
 Remote sends
                cisco
        this host (tibelet) will issue a challenge
        Remote uses the crypto key to encrypt the challenge and send it back

        Remote needs route to this host (tibelet)

 tibelet:Top>


Posted: Tue Nov 19 08:12:27 PST 1996