ZyXEL VLC1324G Bedienungsanleitung PDF herunterladen (Seite 17)

Chapter 1 VLC Overview

VLC1324G User’s Guide

MAC (Media Access Control) Filter

Use the MAC filter to deny or accept incoming frames based on MAC (Media Access Control)

address(es) or OUI (Organizational Unit Identifier) that you specify. You may enable/disable

the MAC filter on specific ports. You may specify up to ten MAC addresses per port.

Upstream Broadcast Storm Control

Broadcast storm control lets you set limits for how many broadcast, multicast and destination

lookup failure (DLF) packets a port receives per second from the subscriber.

Downstream Broadcast VLAN Control

Downstream broadcast VLAN control allows you to block downstream broadcast packets

from being sent to specified VLANs on specified ports. This helps to reduce downstream

bandwidth requirements on a subscriber line.

MAC Count Limit

You can limit the number of MAC addresses that may be dynamically learned on a port. You

may enable/disable the MAC count filter on individual ports.

IGMP Snooping

The VLC supports IGMP snooping enabling group multicast traffic to be only forwarded to

ports that are members of that group; thus allowing you to significantly reduce multicast traffic

passing through your VLC.

IGMP Filter

The IGMP filter defines multicast groups a port can join. You can create IGMP filter profiles

which allow access to a multicast group, then assign the IGMP filter to a specific VDSL2 port.

Multicast Group Limit

You can limit the number of multicast groups a subscriber on a port can join. You may enable/

disable the multicast group limit on individual ports.

Discarding of IGMP Query Messages

The VLC discards IGMP query messages received from subscriber ports. This prevents

subscribers from hosting IGMP multicast servers.

IGMP Statistics

The VLC records the number of active users in an IGMP multicast channel (multicast group).

The VLC also records IGMP message statistics on a per port basis to ease management and

troubleshooting.

IGMP Message Rate Limiting

The VLC can limit how many IGMP message packets a subscriber can send per second. This

prevents subscribers from flooding the multicast server.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 43 44

Keine Kommentare

ZyXEL VLC1324G Bedienungsanleitung Seite 17