Cisco Broadband Cable Command Reference Guide

cable source-verify
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Cisco Broadband Cable Command Reference Guide
Chapter 2 Cisco Cable Modem Termination System Commands
Command Description
cable dhcp-giaddr Modifies the GIADDR field of DHCPDISCOVER and
DHCPREQUEST packets with a Relay IP address before they are
forwarded to the DHCP server.
cable logging badipsource Logs error messages about bad IP source addresses on the cable
interfaces.
cable relay-agent-option Enables the system to insert the CM MAC address into a DHCP
packet received from a CM or host and forward the packet to a DHCP
server.
cable telco-return spd Enforces the telco-return CM to use a specific DHCP server.
dhcp-authenticate
cable telco-return spd
dhcp-server
clear cable logging
badipsource
ip dhcp relay information
option
Identifies the IP address of the DHCP server that the telco-return CM
must access.
Removes all error messages about bad IP source addresses on the
cable interfaces from the error log buffer.
Enables the system to insert the CM MAC address into a DHCP
packet received from a CM or host and forward the packet to a DHCP
server.
ip dhcp smart-relay Monitors client retransmissions when address pool depletion occurs.
ip verify unicast
reverse-path
Enables Unicast Reverse Path Forwarding (Unicast RPF), which
checks each packet received on an interface to verify that the packet’s
source IP address appears in the routing tables as belonging to that
interface, so as to prevent spoofed IP source addresses.
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