Cisco uBR10012 Software Configuration Manual page 174

Cable Interface Configuration Examples
! Defines the DHCP server for PC host devices.
cable helper-address 10.4.1.2 host
!
! Disables cable proxy Address Resolution Protocol (ARP) and IP multicast echo on this
! cable interface.
no cable proxy-arp
no cable ip-multicast-echo
!
! Configures the physical aspects of the 5/0.3 cable subinterface
interface Cable5/0/0.3
description ISP1's Network
!
! Makes this subinterface a member of the MPLS VPN.
ip vrf forwarding isp1
!
! Defines a range of IP addresses and masks to be assigned to cable modems associated
! with the MSO as ISP network.
ip address 10.1.1.1 255.255.255.0 secondary
!
! Defines a range of IP addresses and masks to be assigned to host devices associated
! with the MSO as ISP network.
ip address 10.0.1.1 255.255.255.0
!
! Disables the translation of directed broadcasts to physical broadcasts.
no ip directed-broadcast
!
! Disables cable proxy Address Resolution Protocol (ARP) and IP multicast echo on this
! cable interface.
no cable proxy-arp
no cable ip-multicast-echo
!
! Defines the DHCP server for cable modems whether they are associated with an ISP or
! with the MSO acting as ISP.
cable helper-address 10.4.1.2 cable-modem
!
! Defines the DHCP server for PC host devices.
cable helper-address 10.4.1.2 host
!
! Configures the physical aspects of the 5/0/0.4 cable subinterface
interface Cable5/0/0.4
description ISP2's Network
!
! Makes this subinterface a member of the MPLS VPN.
ip vrf forwarding isp2
!
! Defines a range of IP addresses and masks to be assigned to cable modems associated
! with the MSO as ISP network.
ip address 10.1.2.1 255.255.255.0 secondary
!
! Defines a range of IP addresses and masks to be assigned to host devices associated
! with the MSO as ISP network.
ip address 10.0.1.1 255.255.255.0
!
! Disables the translation of directed broadcasts to physical broadcasts.
no ip directed-broadcast
!
! Disables cable proxy Address Resolution Protocol (ARP) and IP multicast echo on this
! cable interface.
no cable proxy-arp
no cable ip-multicast-echo
!
!
cable dhcp-giaddr policy
!
!! Defines the DHCP server for cable modems whether they are associated with an ISP or
! with the MSO acting as ISP.
cable helper-address 10.4.1.2 cable-modem
!
! Defines the DHCP server for PC host devices.
cable helper-address 10.4.1.2 host
!
!
end
Cisco uBR10012 Universal Broadband Router Software Configuration Guide
3-36
Chapter 3 Configuring Cable Interface Features for the Cisco uBR10012 Router
OL-1520-05