- Dhcp snooping configuration-steps:
(su)->set dhcpsnooping enable
Enable dhcp snooping globally.
(su)->set dhcpsnooping database write-delay 1800
Enable delay for writing to database.
(su)->set dhcpsnooping vlan 2,5 enable
Enable dhcp snooping on vlans.
(su)->set dhcpsnooping log-invalid port ge.1.1-48 enable
Enable logging invalid packets.
(su)->set dhcpsnooping trust port ge.1.3 enable
Set “trust” ports,e.g.ports where dhcp server is connected,trunk connections between switches,etc.By default all ports are “untrust”.
(su)->set dhcpsnooping limit ge.1.1-48 rate 10 burst interval 15
Set limit dhcp packets/sec.
- Monitoring dhcp snooping
(su)->show dhcpsnooping binding
Show relation between: ip,mac address,vlan,ports and lease.
(su)->show dhcpsnooping statistics
Show dhcp snooping stats.
(su)->show dhcpsnooping
Show dhcp snooping settings.
dzbanek 2012-04-23