Brocade TurboIron 24X Series Configuration Guide - Manual (Page 524)

490 Brocade TurboIron 24X Series Configuration Guide
53-1003053-01
Configuring IP parameters – Layer 2 Switches
When the stamped DHCP discovery packet is then received at the router, it is forwarded to the
DHCP server. The DHCP server then extracts the gateway address from each request and assigns
an available IP address within the corresponding IP subnet (
Figure 63 ). The IP address is then
forwarded back to the workstation that originated the request.
NOTE
When DHCP Assist is enabled on any port, Layer 2 broadcast packets are forwarded by the CPU.
Unknown unicast and multicast packets are still forwarded in hardware, although selective packets
such as IGMP, are sent to the CPU for analysis. When DHCP Assist is not enabled, Layer 2 broadcast
packets are forwarded in hardware.
NOTE
The DHCP relay function of the connecting router must be turned on.
FIGURE 63 DHCP Offers are forwarded back toward the requestors