Enterasys SecureStack C2 C2G170-24

set dhcpsnooping limit
SecureStack C2 Configuration Guide 17-9
clientʹsinterfaceandVLANinthebindingsdatabase.Iftheinterfacesdonotmatch,the
applicationlogstheeventiflogginghasbeenenabled.
Usetheshowdhcpsnoopingcommandtodisplaythestatus(enabledordisabled)oflogging
invalidpacketsforeachinterfaceinanenabledVLAN.Theshowdhcpsnooping
statistics
commandshowstheactualnumberofservermessagesreceivedonuntrustedports.
Example
ThisexampleenablesloggingofinvalidDHCPmessagesonportge.1.1andthendisplaysthe
DHCPconfigurationsettings.
C2
(rw)->set dhcpsnooping log invalid port ge.1.1 enable
C2(su)->show dhcpsnooping
DHCP snooping is Disabled
DHCP snooping source MAC verification is enabled
DHCP snooping is enabled on the following VLANs:
3
Interface Trusted Log Invalid Pkts
----------- ---------- ----------------
ge.1.1 No Yes
ge.1.2 No No
ge.1.3 Yes No
set dhcpsnooping limit
UsethiscommandtoconfigureratelimitingparametersforincomingDHCPpacketsonaportor
ports.
Syntax
set dhcpsnooping limit port-string {none | rate pps {burst interval secs]}
Parameters
Defaults
Rate=15packetspersecond
BurstInterval=1second
Mode
Switchcommand,read‐write.
port‐string Specifiestheportorportstowhichtoapplytheseratelimiting
parameters.
none ConfiguresnolimitonincomingDHCPpackets.
ratepps Specifiesaratelimitinpacketspersecond.Thevalueofppscanrange
from0to100packetspersecond.
burstintervalsecs Specifies
aburstintervalinseconds.Thevalueofsecscanrangefrom1
to15seconds.