DHCP Lease Query Example - DOCSIS CMTS

• CMTS receives packet to forward downstream across cable

  CMTS has no local location information
  

• CMTS sends DHCP Lease Query, gets DHCPACK

  Chaddr contains the PC MAC address
  
  Option 82 contains subscriber modem info

• CMTS transmits packet using BPI

Previous slide

Next slide

Back to first slide

View graphic version