RS-DCC configuration example
Network requirements
As shown in Figure 48:
On Router A, interface Dialer0 is assigned an IP address 100.1.1.1/24 and Dialer1 an IP address 122.1.1.1/24.
On Router B, interface Dialer0 is assigned an IP address 100.1.1.2/24.
On Router C, interface Dialer0 is assigned an IP address 122.1.1.2/24.
The Dialer0 interfaces on Router A and Router B are located on the same network segment, so are the Dialer1 interface on Router A and the Dialer0 interface on Router C.
Configure RS-DCC to allow Router A to call Router B and Router C from multiple interfaces but disable Router B and Router C from calling each other.
Figure 48: Network diagram
Configuration procedure
Configure Router A:
# Configure a dial access control rule for dialer access group 1. Create local user accounts userb and userc for Router B and Router C, and configure PPP authentication for them.
<RouterA> system-view [RouterA] dialer-rule 1 ip permit [RouterA] local-user userb [RouterA-luser-userb] password simple userb [RouterA-luser-userb] service-type ppp [RouterA-luser-userb] quit [RouterA] local-user userc [RouterA-luser-userc] password simple userc [RouterA-luser-userc] service-type ppp [RouterA-luser-userc] quit
# Assign an IP address to interface Dialer0, enable RS-DCC, and configure the remote username allowed to call in.
[RouterA] interface dialer 0 [RouterA-Dialer0] ip address 100.1.1.1 255.255.255.0 [RouterA-Dialer0] dialer user userb [RouterA-Dialer0] dialer bundle 1
# Configure information for PPP authentication and the dial strings on interface Dialer0. (Assume PAP is used at the local end.)
[RouterA-Dialer0] dialer-group 1 [RouterA-Dialer0] ppp authentication-mode pap [RouterA-Dialer0] ppp pap local-user usera password simple usera [RouterA-Dialer0] dialer number 8810052 [RouterA-Dialer0] quit
# Assign an IP address to interface Dialer1, enable RS-DCC, and configure the remote username allowed to call in.
[RouterA] interface dialer 1 [RouterA-Dialer1] ip address 122.1.1.1 255.255.255.0 [RouterA-Dialer1] dialer user userc [RouterA-Dialer1] dialer bundle 2
# Configure information for PPP authentication and the dial strings on interface Dialer 1. (Assume PAP is used at the local end.)
[RouterA-Dialer1] dialer-group 1 [RouterA-Dialer1] ppp authentication-mode pap [RouterA-Dialer1] ppp pap local-user usera password simple usera [RouterA-Dialer1] dialer number 8810063 [RouterA-Dialer1] quit
# Set interface Serial 2/0 to operate in asynchronous protocol mode, configure information for PPP authentication, and assign the interface to dialer bundle 1 and dialer bundle 2.
[RouterA] interface serial 2/0 [RouterA-Serial2/0] physical-mode async [RouterA-Serial2/0] async mode protocol [RouterA-Serial2/0] dialer bundle-member 1 [RouterA-Serial2/0] dialer bundle-member 2 [RouterA-Serial2/0] link-protocol ppp [RouterA-Serial2/0] ppp authentication-mode pap [RouterA-Serial2/0] ppp pap local-user usera password simple usera [RouterA-Serial2/0] quit
# Set interface Serial 2/1 to operate in asynchronous protocol mode, configure information for PPP authentication, and assign the interface to dialer bundle 1 and dialer bundle 2.
[RouterA] interface serial 2/1 [RouterA-Serial2/1] physical-mode async [RouterA-Serial2/1] async mode protocol [RouterA-Serial2/1] dialer bundle-member 1 [RouterA-Serial2/1] dialer bundle-member 2 [RouterA-Serial2/1] link-protocol ppp [RouterA-Serial2/1] ppp authentication-mode pap [RouterA-Serial2/1] ppp pap local-user usera password simple usera [RouterA-Serial2/1] quit
# Configure user interfaces to be used and enable modem dial-in and dial-out on them.
[RouterA] user-interface tty1 [RouterA-ui-tty1] modem both [RouterA-ui-tty1] quit [RouterA] user-interface tty2 [RouterA-ui-tty2] modem both
Configure Router B:
# Configure a dial access control rule for dialer access group 2. Create a local user account usera for Router A, and configure PPP authentication for it.
<RouterB> system-view [RouterB] dialer-rule 2 ip permit [RouterB] local-user usera [RouterB-luser-usera] password simple usera [RouterB-luser-usera] service-type ppp [RouterB-luser-usera] quit
# Assign an IP address to interface Dialer0, enable RS-DCC, and configure the remote username allowed to call in and the dial string for placing calls.
[RouterB] interface dialer 0 [RouterB-Dialer0] ip address 100.1.1.2 255.255.255.0 [RouterB-Dialer0] dialer user usera [RouterB-Dialer0] dialer bundle 1 [RouterB-Dialer0] dialer number 8810048
# Configure information for PPP authentication. (Assume PAP is used at the local end.)
[RouterB-Dialer0] dialer-group 2 [RouterB-Dialer0] ppp authentication-mode pap [RouterB-Dialer0] ppp pap local-user userb password simple userb [RouterB-Dialer0] quit
# Set interface Serial 2/0 to operate in asynchronous protocol mode, configure information for PPP authentication, and assign the interface to dialer bundle 1.
[RouterB] interface serial 2/0 [RouterB-Serial2/0] physical-mode async [RouterB-Serial2/0] async mode protocol [RouterB-Serial2/0] dialer bundle-member 1 [RouterB-Serial2/0] link-protocol ppp [RouterB-Serial2/0] ppp authentication-mode pap [RouterB-Serial2/0] ppp pap local-user userb password simple userb [RouterB-Serial2/0] quit
# Configure the user-interface to be used and enable modem dial-in and dial-out on it.
[RouterB] user-interface tty1 [RouterB-ui-tty1] modem both
Configure Router C:
# Configure a dial access control rule for dialer access group 1. Create a local user account usera, and configure PPP authentication for it.
<RouterC> system-view [RouterC] dialer-rule 1 ip permit [RouterC] local-user usera [RouterC-luser-usera] password simple usera [RouterC-luser-usera] service-type ppp [RouterC-luser-usera] quit
# Assign an IP address to interface Dialer0, enable RS-DCC, and configure the remote username allowed to call in and the dial string for placing calls.
[RouterC] interface dialer 0 [RouterC-Dialer0] ip address 122.1.1.2 255.255.255.0 [RouterC-Dialer0] dialer user usera [RouterC-Dialer0] dialer bundle 1 [RouterC-Dialer0] dialer number 8810049
# Configure information for PPP authentication. (Assume PAP is used at the local end.)
[RouterC-Dialer0] dialer-group 1 [RouterC-Dialer0] ppp authentication-mode pap [RouterC-Dialer0] ppp pap local-user userc password simple userc [RouterC-Dialer0] quit
# Set interface Serial 2/0 to operate in asynchronous protocol mode, configure information for PPP authentication, and assign the interface to dialer bundle 1.
[RouterC] interface serial 2/0 [RouterC-Serial2/0] physical-mode async [RouterC-Serial2/0] async mode protocol [RouterC-Serial2/0] dialer bundle-member 1 [RouterC-Serial2/0] link-protocol ppp [RouterC-Serial2/0] ppp authentication-mode pap [RouterC-Serial2/0] ppp pap local-user userc password simple userc [RouterC-Serial2/0] quit
# Configure the user interface to be used and enable modem dial-in and dial-out on it.
[RouterC] user-interface tty1 [RouterC-ui-tty1] modem both