Upstream Broadcast Storm Control - ZyXEL Communications MSC1024G Series User Manual

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Table 39 ACL > Subnet VLAN (continued)

5.23 Upstream Broadcast Storm Control

Upstream broadcast storm control limits the number of broadcast, multicast and destination

lookup failure (DLF) packets the switch receives per second on the subscriber ports. When the

maximum number of allowable broadcast, multicast and/or DLF packets is reached per

second, the subsequent packets are discarded. Enable this feature to reduce broadcast,

multicast and/or DLF packets in your network. You can specify limits for each packet type on

each port. DLF packets are also known as unknown unicast packets.

Click ACL > Upstream Storm in the navigation panel to display the screen shown next. Use

this screen to configure broadcast storm control settings for the subscriber ports.

Figure 77 ACL > Upstream Storm

The following table describes the labels in this screen.

Table 40 ACL > Upstream Storm

MSC1000G/1024G/1224G Series User's Guide

This field shows the VLAN ID of the frames which belong to this subnet based VLAN.

This field shows the priority which is assigned to frames belonging to this subnet

This field shows the name the subnet based VLAN.

Select an entry's Select radio button and click Modify to display the entry in the table

above so you can edit it.

Select an entry's Select radio button and click Delete to remove the entry.

Use the drop-down list boxes to select a line card and port.

Click Load to display the port's current settings.

This is the label of a Gigabit Ethernet interface.

Chapter 5 Access Control List Screens

Msc1224g series Msc1000g series