Technical Specifications
Interfaces
•FE:
•FX:
•GE1:
Physical Ethernet interfaces
•
¬Connectors:
¬Transmission: full duplex
¬Range: 100 m (328.08 ft)
¬Ports: autonegotiation supported
•
¬LX: 10 km –
¬FX: 2 km –
•FE electrical SFP for
¬
¬Connector
¬Range: 100 m (328.08 ft)
•
¬ZX: 80 km – SM fiber
¬LX: 5 km – SM fiber
¬SX: 550 m – MM fiber
Ethernet switching features
•Technology
¬Application Specific Integrated Circuit
¬Parallel
•Bridging:
¬IEEE 802.1D: Media Access Control (MAC) bridge
¬IEEE 802.1Q: virtual bridge
¬IEEE 802.1ad provider bridge
•Class forwarding criteria
¬Per port
¬Per virtual LAN (VLAN) (802.1 Q)
¬Per priority bit (802.1 p)
¬802.3 MAC DA
•Flow control as per IEEE 802.3
¬In full duplex only
•Address table
¬8000 MAC entries
•Layer 2 switching core
¬ES1 = 1 Gb/s per card
¬ES4 = 2.4 Gb/s per card
•VLANs IDs per IEEE 802.1Q
¬4094 VLAN IDs
¬Maximum 1000 active VLAN IDs
Port trunking features
•EoS
¬GFP (G.7041)
¬LAPS
•VCAT (G.707) (See Table 1 EoS)
•Rate limiting per VCG (10 Mb or 100 Mb)
Protection features
•STP, Rapid Spanning Tree Protocol (RSTP), LAG (FE/FX)
•Multiservice transport platform (MSTP) and, for VLAN applications proprietary
•LCAS (G.7042)
•SDH based
¬
¬Multiplex section: MSP (<50 ms)
Multicast features
•Internet Group Management Protocol (IGMP) proxy
•IGMP snooping V2
QoS features
•Policer
¬Metering:
¬Marking: two colors (green, yellow)
¬Dropping: out of profile
•Class of Service (CoS) classes
¬Best effort traffic: PIR >0 ; CIR=0
¬Guaranteed and regulated traffic with PIR=CIR >0
•Advanced QoS with IEEE 802.1p
•Differentiated services code points (DSCP) filtering/marking
•Scheduler
¬Four output queues per port
¬Mixed strict priority (HOL) and weighted bandwidth queue
¬Deficit round robin
•Mapping of untagged traffic into a separate
Packet-based monitoring
Monitoring counters
•Total received correct octets (TRCO)
•Total received correct frames (TRCF)
•Total transmitted octets (TTO)
•Total transmitted frames (TTF)
•Total discarded frames (TDF) due to congestion
•Total received service errored frames (TRSEF)
Counters apply
•Per port: user network interface (UNI) and network node interface (NNI)
•Per flow (after classification)
¬Per VLANs: priority bits
¬Per classification: green, yellow
¬Unicast, Multicast and broadcast
•Per maintenance activity
¬Selection between all available counters
Historical of counter
•CD (current counters value)
•HD 1 h/15 min (historical of counters)
•HD 24 h (historical of 24 h counters)
OA&M features
•Metro Ethernet Fourm (MEF) OA&M includes
¬Maintenance end point (MEP)
¬Maintenance intermediate point (MIP)
•Y.1731/IEEE 802.1ag implementation defines diagnostic fault localization procedures to check the connectivity of ports
¬Continuity check (CC)
¬Link trace (LT)
¬Link loopback (LB)
•Remote loopback for SDH trunks
•Client signal fail/server signal fail (CSF/SSF) propagation
•OA&M assisted by network management system
Data certification
•
•
Network management
ISA is remotely managed through the
•Element Manager (EMS)
•Regional Manager (RM): SONET/SDH/ wavelength division multiplexing (WDM)
•Packet Manager (PKT): data services
•Standard management support includes
¬Open Systems Interconnection (OSI) stack with Q3 interface per SDH part of management
¬Simple Network Management Protocol (SNMP)v2c, SNMPv3 for Ethernet part of manage - ment
¬IP over OSI tunnelling:
¬Remote software download
¬Unsolicited alarm collection
¬Export of alarms through ISN and IOO interfaces
•Operator’s handbook suited for specific software release (on CD media)
Local management
•Craft terminal
¬Microsoft Windows XP
¬Local interface
¬Local software download
•Operator’s handbook suited for specific software release (on CD media)
End-to-end: network managed services2
•Bridge (802.1D)
¬Ethernet private line (EPL)
¬Ethernet private LAN
•Virtual bridge (802.1Q)
¬Ethernet virtual private line (EVPL)
¬Ethernet virual private LAN
•Provider bridge (802.1ad)
¬EVPL
¬EVP-LAN
1
2Through 13500 MS PKT Bandwidth Manager management system
Alcatel | 5 |