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GENERAL
• Host Extensions for IP Multicasting
− IGMPv2/v3 Snooping, Proxy,
Report suppression
− Configurable IGMP query timers
and counters
• IEEE 802.1D MAC Bridges
• IEEE 802.1Q-Rev Layer 2 switching
• IEEE 802.1D Spanning Tree
Protocol (STP)
• IEEE 802.1w Rapid Spanning Tree
Protocol (RSTP)
• IEEE 802.1s Multiple Spanning
Tree Protocol (MSTP)
• IEEE 802.3ad Link aggregation
• IEEE 802.1ad Provider Bridges
(partly)
• IEEE 802.1ag Connectivity Fault
Management
• IGMPv2/v3 Transparent Snooping
INTERFACES
Optical aggregation ports:
• ESN212: 4 x GE SFP ports.
ESN212f: 12 x GE SFP ports.
− supports 1000 Mbps and CWDM
Electrical GE interfaces:
• ESN212 8 x Gigabit Ethernet ports
10/100/1000 Base-T: RJ-45
Local Management Interface:
Serial local management interface on
RJ-45 connector
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MANAGEMENT
• Static IP and management VLAN
set by CLI
• SSHv2
• SNMP v2c /v3
• Telnet, TFTP, DHCP
• Port-based authentication via the
IEEE 802.1x
• Management access authentication
via the console port, Telnet.
QUALITY OF SERVICE
• IEEE 802.1p with eight priority
queues per port.
• Scheduling algorithm: Strict
scheduling, WRR (Weighted Round
Robin)
CAPACITY
• Non-blocking at full wire speed on
all ports and all packet size and full
duplex
• 16K MAC addresses
• MAC learning rate at wire speed
• Jumbo frames, 9216 byte per frame
• 4K VLAN concurrent, 802.1Q
• 1024 multicast groups
POWER SUPPLY
• Dual power inlet
• Nominal input: -48 VDC
• Power consumption: 34 W
RELIABILITY
• Fans replaceable without service
interruption
• MTBF ESN212/ESN212f higher
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than 178/201 years at 25°C ambient
SAFETY
• EN/IEC 60950-1:2001
DIMENSIONS
• HxWxD: 180 x 47 x 186 mm
• Subrack solution for 19” and
ETSI width installation
• Weights: 1100 g
ELECTROMAGNETIC
COMPATIBILITY
• EN 300 386 V1.4.1 (2008)
- Class B
• FCC 47CFR15: 2004 (FCC part 15)
- Class B
• GR-1089-CORE Issue 4, (2006)
ENVIRONMENTAL
• ETS 300 019-1-1 class 1.2
(Storage)
− Range: -25°C to 70°C
• ETS 300 019-1-2 class 2.3
(Transportation)
− Range: -40°C to 85°C
• ETS 300 019-1-3 class 3.3
(Operation)
− Range: -40°C to 75°C
− Humidity 5-95%, noncondensing)
• ETSI ETS 300 753 Class 3.2
(Acoustic/noise)
• GR-63-CORE Issue 2, April 2002,
− Physical Protection.
• ROHS 5 and ROHS 6 variants are
available.
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