port with the same value, 802.1p classifies incoming frames
through these sets of priorities. This means your 802.1p VoIP
phone can be granted higher priority than other traffic,
resulting in phone calls that are clear and jitter-free.
SNMP Management & 802.1D Spanning Tree
The DES-1228P utilizes SNMPv1 to manage and control
SNMP-supported network devices. SNMP enables
the DES-1228P to provide valuable status information
and send traps on abnormal events. This sharing of
vital management information saves time and money. The
DES-1228P also supports Spanning Tree Protocol,
which provides protection from unintentional cabling loops
within a network infrastructure. Loops can dangerously
create an unending circle where broadcast and multicast
traffic propagates across the network. This storm of traffic
overwhelms the network and brings traffic to a crawl,
but 802.1D Spanning Tree detects and breaks these loops
ensuring network uptime.
IGMP Snooping
The DES-1228P uses IGMP Snooping to analyze data packets
and forward them through only where appropriate. This
means that multicast packets, such as streaming audio and
video or other bandwidth hogs, get through without creating
extra network congestion. This smart packet management
also reduces the workload of other devices further down the
line, making your entire network function more efficiently.
Smart Console Utility
Included with every DES-1228P is a D-Link exclusive software
utility that can manage all D-Link Web Smart Switches and
DWL-3140AP with the click of a button.
Managing the DES-1228P has never been easier. Using its
built-in, browser-based management interface, configuring
the switch takes only minutes. With full color graphics and
easy to understand navigation menus, configuring the
DES-1228P is as easy as surfing the web.
Web Smart 24-Port 10/100 PoE Wireless Switch, 4 Gigabit
Copper, 2 Combo SFP
DES-1228P Web Smart Fast Ethernet Switch
Technical Specifications
Product Specifications
Switching Capacity 12.8Gbps
Number of PoE Ports 24
Forwarding Mode Store and Forward
Packet Buffer memory 1MB
SDRAM for CPU 8MB
Flash Memory Prom 2MB
MAC Address 8K MAC Address Table
IGMP Snooping Supports 64 multicast groups. Support default flooding for non-joined multicast traffic
802.1D Spanning Tree Supports per device STP & BPDU forwarding
Static Port Trunk Supports up to six 8-port groups
Flow Control Enabled and disabled
Port Mirroring Support one-to-one or many-to-one port mirroring
802.1Q Support 256 static VLAN groups
VLAN Group Be able to configure VID from 1-4094
802.1p support 4 Queues
802.1x Port-based Access Control Default 802.1x forwarding
Broadcast Storm Control Allow specifying the per device threshold in terms of 8Kb ~ 4096Kb per second
Static Mac Support 256 Static Mac entries
D-Link Safeguard Engine Protects the CPU from Broadcast/Multicast/Unicast flooding
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