QTECH QSW-2800 Инструкция по настройке - Manual (Page 252)

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range 192.168.102.51 192.168.102.80;
default-lease-time 43200; #12 Hours
max-lease-time 86400; #24 Hours
allow members of "Switch1Vlan1Class1";
}
}
Now, the DHCP server will allocate addresses for the network nodes from Switch1 within the
range of 192.168.102.51 ~ 192.168.102.80.
33.4 DHCP Snooping option 82
Troubleshooting
To implement the
option 82 function of DHCP SNOOPING, the “debug ip dhcp snooping
packet” command can be used during the operating procedure, including adding the option 82
information of the request message, the option 82 information peeled by the reply message.