Dell S4820T Configuration Manual page 463

To view dampening information on all or specific dampened interfaces, use the show interfaces
dampening command from EXEC Privilege mode.
Dell# show interfaces dampening
InterfaceStateFlapsPenaltyHalf-LifeReuseSuppressMax-Sup
Te 1/1Up005750250020
Te 1/2Up21200205001500300
Te 1/2Down4850306002000120
To view a dampening summary for the entire system, use the show interfaces dampening summary
command from EXEC Privilege mode.
Dell# show interfaces dampening summary
20 interfaces are configured with dampening. 3 interfaces are currently
suppressed.
Following interfaces are currently suppressed:
Te 1/2
Te 3/1
Te 4/2
Dell#
Clearing Dampening Counters
To clear dampening counters and accumulated penalties, use the following command.
• Clear dampening counters.
clear dampening
Example of the clear dampening Command
Dell# clear dampening interface Te 1/1
Dell# show interfaces dampening TenGigabitEthernet1/1
InterfaceStateFlapsPenaltyHalf-LifeReuseSuppressMax-Sup
Te 1/1Up00205001500300
Link Dampening Support for XML
View the output of the following show commands in XML by adding | display xml to the end of the
command.
•
show interfaces dampening
•
show interfaces dampening summary
•
show interfaces interface x/y
Configure MTU Size on an Interface
In Dell Networking OS, Maximum Transmission Unit (MTU) is defined as the entire Ethernet packet
(Ethernet header + FCS + payload).
The link MTU is the frame size of a packet, and the IP MTU size is used for IP fragmentation. If the system
determines that the IP packet must be fragmented as it leaves the interface, Dell Networking OS divides
the packet into fragments no bigger than the size set in the ip mtu command.
NOTE: Because different networking vendors define MTU differently, check their documentation
when planning MTU sizes across a network.
Interfaces
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