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processed as follows:
* If the DHCP packet is a reply packet from a DHCP server, the packet
is dropped.
* If the DHCP packet is from a client, such as a DISCOVER, REQUEST
INFORM, DECLINE or RELEASE message, the packet is forwarded if
MAC address verification is disabled. However, if MAC address
verification is enabled, then the packet will only be forwarded if the
client's hardware address stored in the DHCP packet is the same as
the source MAC address in the Ethernet header.
* If the DHCP packet is not a recognizable type, it is dropped.
-
If a DHCP packet from a client passes the filtering criteria above, it
will only be forwarded to trusted ports in the same VLAN.
-
If a DHCP packet is from server is received on a trusted port, it will
be forwarded to both trusted and un-trusted ports in the same VLAN.
3-17-3. DHCP Snooping Client
Function name:
DHCP Snooping Client
Function description:
To show the DHCP snooping client.
Parameter description:
MAC： To show the DHCP snooping client's MAC address.
VID： To show the DHCP snooping client's VLAN ID.
Port：To show the DHCP snooping client's port.
IP：To show the DHCP snooping client's IP address.
Lease：To show the DHCP snooping client's lease.
3-18. LLDP
The switch supports the LLDP. For current information on your switch model,
Fig. 3-17-2 DHCP Snooping Client
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