Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 979
Layer 2 Broadcast Storm Control, Multicast Storm Control
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Task On the E-Series, suppress Layer 3 all-hosts and subnet broadcasts on ingress and egress if they exceed a user-defined limit. On the C-Series and S-Series, suppress Layer 3 all-host and subnet broadcasts on ingress if they exceed a user-defined limit. Command Syntax storm-control broadcast percentage partial-percentage [in | out] storm-control broadcast packets-per-second in Command Mode CONFIGURATION CONFIGURATION Layer 2 Broadcast Storm Control Unknown-unicast packets are those for which the switch has no entry in its MAC address table for the packet destination MAC. In this case the switch broadcasts (floods) these packets on the VLAN. This extra traffic unnecessary and can reduce performance. FTOS Behavior: On the E-Series, if unknown-unicast Storm Control is enabled on an interface or globally on the ingress, and DSCP marking is enabled and set to DSCP=2 for data traffic, the traffic is queued to Queue 2 instead of Queue 0. Task Command Syntax Command Mode On the E-Series, suppress unknown-unicast packets if they exceed a user-defined limit. On the C-Series and S-Series, unknown-unicast packets on ingress if they exceed a user-defined limit. storm-control unknown-unicast percentage partial-percentage [in | out] storm-control unknown-unicast packets-per-second in CONFIGURATION CONFIGURATION Multicast Storm Control c s Multicast Storm Control is supported only on platforms: Task Suppress multicast packets if they exceed a user-defined limit. Command Syntax storm-control multicast packets-per-second in Command Mode CONFIGURATION Broadcast Storm Control | 979
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