Application Of Trusted Ports - HP 1910 User Manual

Application of trusted ports

Configuring a trusted port connected to a DHCP server
Figure 295 Configuring trusted and untrusted ports
As shown in
should be configured as a trusted port to forward reply messages from the DHCP server, so that the
DHCP client can obtain an IP address from the authorized DHCP server.
Configuring trusted ports in a cascaded network
In a cascaded network involving multiple DHCP snooping devices, to save system resources, you can
disable the trusted ports, which are indirectly connected to DHCP clients, from recording clients'
IP-to-MAC bindings upon receiving DHCP requests.
Figure 296 Configuring trusted ports in a cascaded network
Table 99 describes roles of the ports shown in
Figure 295, a DHCP snooping device's port that is connected to an authorized DHCP server
Figure 296.
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