DG-GS4900SE Series Installation Guide
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1.2.2 Features and Benefits
DG-GS4928SE/DG-GS4928HPSE2 provides 20 fixed 1000Mb copper ports, 4
1000Mb COMBO ports (1000Mb fiber SFP ports/1000Mb copper ports) and4 10Gb optical
ports. DG-GS4952SE/DG-GS4952HPSE provides 48 fixed 1000Mb copper ports, 4 10Gb
optical ports.
10Gb Ethernet which adopts full-duplex technology instead of low-speed, half-duplex
CSMA/CD protocol, is a big leap in the evolution of Ethernet. 10Gb Ethernet can be
deployed in star or ring topologies. DG-GS4900SE series switches provide broad
bandwidth and powerful processing capacity. It is suitable for metropolitan networks and
wide area networks. Using DG-GS4900SE series switches, users can simplify network
structures and reduce cost of network construction.
DG-GS4900SE series switches support 802.1d/w/s, 802.1Q, 802.1p, 802.3ad, 802.3x,
GVRP, DHCP and SNTP etc. The switches also support the multicast protocols such as
IGMP, DVMRP and PIM. Moreover, DG-GS4900SE series switches support RIPv1/2,
OSPF, BGP and IPv6 protocols. All these protocols supported enable DG-GS4900SE
series switches to meet the requirements of complex network constructions.
DG-GS4900SE series switches support comprehensively ACL policies. The traffic
can be classified by source/destination IP addresses, source/destination MAC addresses,
IP protocols, TCP/UDP, IP precedence, time ranges and ToS. And various policies can be
conducted to forward the traffic. By implementing ACL policies, users can filter the virus
packets such as “Worm.Blaster”, “Worm.Sasser” and “Red Code” etc. DG-GS4900SE
series switch also support IEEE802.1x port based access authentication, which can be
deployed with RADIUS, to ensure the port level security and block illegal users.
DG-GS4900SE series switches fully support DiffServ Module. Users can specify a
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