Enterasys 24-Port Manual do Utilizador Página 3

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G-Series – Data Sheet 3
HIGH AVAILABILITY
Virtual Router Redundancy Protocol (VRRP): requires
optional G3 Advanced Routing License. VRRP allows
creation of highly available routed environments
IEEE 802.1s Multiple Spanning Tree Protocol: provides high
link availability in multiple VLAN environments by allowing
multiple spanning trees; encompasses IEEE 802.1D Spanning
Tree Protocol and IEEE 802.1w Rapid Spanning Tree Protocol
IEEE 802.3ad Link Aggregation Control Protocol (LACP):
Flexible Link Aggregation Groups (6 groups of 8, 12 groups
of 4 or 24 groups of 2) which allow multiple Ethernet ports
(8, 4 or 2) to be grouped together to create a LAG.
Hot-swappable power supplies, I/O modules, and SFP/XFP
optics
Redundant power supplies and cooling
Sparing simplicity: common accessories (interface modules,
power supplies)
LAYER 2 SWITCHING
IEEE 802.1q VLAN support and tagging: supports up to
1,024
VLANs simultaneously
GARP VLAN Registration Protocol: allows automatic
learning and dynamic assignment of VLANs
LAYER 3 SERVICES
Layer 3 IP routing: static IP routing provides basic routing.
RIP provides RIPv1 and RIPv2 routing at media speed for up
to 2,500 IPv4 routes. Optional Advanced Routing License
includes PIM, VRRP, and OSPF2 which supports ECMP to
provide link redundancy/scalable bandwidth and NSSA. IPv6
routing is supported via the optional IPv6 Routing License
UDP helper function: UDP broadcasts can be directed
across router interfaces to specific IP unicast or subnet
broadcast addresses and prevent server spoofing for UDP
services such as DHCP
Loopback interface address: defines an address in RIP and
OSPF that can always be reachable, improving diagnostic
capability
QUALITY OF SERVICE (QOS)
Trac classification at layer 2,3,4: enables packet
classification and tagging at the network edge based on
any of the following attributes: MAC address, physical port,
IP address, IP protocol, IP ToS/DSCP, TCP/UDP port, and IP
subnet
Trac prioritization: allows real-time trac classification
into 8 priority levels mapped to eight hardware queues;
weighted round robin (WRR) or strict priority (SP) queuing
are supported which keeps low priority trac from being
completely starved of bandwidth
INVESTMENT PROTECTION
Seamless transition from RFC 3580 and complex ACL
deployments to the Extreme Networks role-based policy
framework, without the need to make changes to the
RADIUS infrastructure (e.g., adding filter-ID)
Includes lifetime warranty that continues for five years after
the date of product discontinuation.
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