Unknown Unicast Storm control

[hhameed385]

Hello, 

I am trying to implement Unknown Unicast Storm Control in IOS-XE but can't seem to find the configuration for it. I can have Multicast and Broadcast storm control configured but it seems like, there is no support for the Unknown Unicast Storm Control anymore. I am using 

Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch  Software (cat4500es8-UNIVERSALK9-M), Version 03.07.02.E RELEASE SOFTWARE (fc1)

Switch(config-if)#storm-control ?
action       Action to take for storm-control
broadcast    Broadcast address storm control

Switch(config-if)#storm-control broadcast ?
include      include other traffic types
level        Set storm suppression level on this interface

Switch(config-if)#storm-control broadcast include ?
multicast    Suppress broadcast and multicast traffic

Has Unknown Unicast Storm Control feature taken off? 

Thanks in advance. 

[Anthony LaRosa]

Hi,

On 4500 IOS does, it does not appear on XE to my knowledge.

As an alternative, have you considered blocking unicast floods on the interface?

Regards,

Anthony 

[hhameed385]

Thanks! We have some catalyst 3850s in our network running XE code and they do support blocking unknown unicasts. Catalyst 4510 on the other hand with Sup 8E does not have the feature. 

Yes, I have looked into blocking unicast floods on the interface but it does not appear to be working as expected. Still investigating a workaround...

[Meghna Muralinath]

There is no support for unicast storm control on the sup6E (since you mentioned IOS XE).

You may want to look at implementing policing the packets as an alternate. 

[hhameed385]

Thanks!