Table 1 Functions and features of the EFS0 single board

Functions and Features

Description

Basic Functions

Handle 8-channel FE services

Cooperate with the outgoing board

Match with ETF8 to realize 8-channel electrical port FE signal access.

Match with EFF8 to realize 8-channel optical port FE signal access.

Match with ETS8 and TSB8 to realize 8-channel electrical port FE signal TPS protection.

Interface Specification

Support 10Base-T/100Base-TX with ETF8.

Support 10Base-T/100Base-TX with ETF8, support 100Base-FX with EFF8, meet IEEE802.3u standard.

Service Frame Format

Ethernet II, IEEE 802.3, IEEE 802.1 q/p

Supports frame length from 64Byte to 9600Byte, supports Jumbo frames up to 9600Byte.

Maximum Uplink Bandwidth

The maximum uplink bandwidth of N1EFS0 is 622Mbit/s.

The maximum uplink bandwidth of N2EFS0 is 1.25Gbit/s.

Maximum uplink bandwidth for N4EFS0 is 1.25Gbit/s

Number of VCTRUNK

Number of VCTRUNKs for N1EFS0 is 12

The number of VCTRUNKs for N2EFS0 is 24.

Number of VCTRUNKs for N4EFS0 is 24.

Mapping method

VC-12, VC-3, VC-12-Xv (x≤63), VC-3-Xv (x≤12)

Package format

GFP

EPL

Supports PORT-based transparent transport and PORT+VLAN-based Ethernet leased line services.

EVPL

Supports EVPL services using MartinioE and stack VLAN frame encapsulation formats.

EPLAN

Supports Layer 2-based aggregation and point-to-multipoint aggregation.

Supports the forwarding function of Layer 2 switching.

Supports user-side switching and SDH network-side switching.

Support source MAC address self-learning function, MAC address table size is 16k, support MAC address aging time setting and query.

Supports static MAC routing configuration.

N1EFS0 and N2EFS0 support dynamic MAC address query, and support querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.

N4EFS0 does not support dynamic MAC address query, and supports querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.

Supports data isolation based on VB (Virtual Bridge) + VLAN method.

Supports creation, deletion and querying of VBs. The maximum number of VBs is 16, and the maximum number of logical ports per VB is 30.

EVPLAN

Support EVPLAN service, N1EFS0 uses MPLS Martini OE, MPLS Martini OP and stack VLAN frame encapsulation format, N2EFS0 and N4EFS0 use MPLS Martini OE and stack VLAN frame encapsulation format.

MPLS Technology

Supports

VLAN

IEEE 802.1q/p

VLAN Aggregation

Support, 4k VLANs

Rapid Spanning Tree (RSTP)

Supports broadcast message suppression and Rapid Spanning Tree Protocol (RSTP), compliant with IEEE 802.1w standard.

Multicast (IGMP Snooping)

Supports

ETH-OAM

N4EFS0 supports multicast CC (continuity check) and unicast LB (Loopback) test.

CAR

Supported with a granularity of 64kbit/s.

Based on service

QoS flow classification

N1EFS0 supports PORT, PORT+VLAN ID, PORT+VLAN PRI based on service classification.

N2EFS0 and N4EFS0 support PORT, PORT+VLAN ID, PORT+VLAN ID+VLAN PRI based on stream classification.

LCAS

ITU-T G.7042, which enables dynamic bandwidth increase, dynamic decrease, and protection functions.

LPT

Supports LPT function, which can be set to enable and disable.

Flow Control Function

Port-based IEEE 802.3x flow control.

Test Frames

Support for receiving and sending Ethernet test frames.

Loopback Function

Supports inner loopback on Ethernet ports (PHY layer or MAC layer). Supports inner loopback and outer loopback at VC-3 level.

Ethernet Performance Monitoring

Supports port-level Ethernet performance monitoring.

Alarm and Performance

Provides rich alarms and performance events for easy device management and maintenance.