OLT 2000 GEPON equipment

OLT Switch

Specification

Description

Bridge

L2 bridge: transparent(switch part); Simple bridge(PON part)

VLAN

Switch part: transparent mode, VID-tag mode;

PON part: single VLAN mode, transparent mode, Translate mode, stacking tag mode.

ACL

Based on L2-L4 fields. Apply to NNI ports of switch or PON links or PON ports

QoS

Switch part: IEEE802.1P, SP, WRR and SP+WRR

PON part: Four priority levels: TDM1, Sensitive, Guarantee, Best effort.

MAC Address Table

4K MAC address / port (PON part)

16K MAC address / system (switch part)

IGMP

IGMPv1/v2 proxy/snooping and CTC IGMP 

Classification

Based on  SRC/DST MAC, VLAN ID,

User Priority and Ethernet Type.

Optionally support SRC/DST IP, Protocol

Type, IP TOS/DSCP and L4 port

For both switch part and PON part

802.1x 

Based on UNI port of ONU or MAC

address of customer

Congestion Control 

Tail drop , sRED(Simple Random Early

Detection)

NNI

Link Aggregation

Support 8 trunk groups

RSTP

IEEE802.1w

Flow control  

802.3x

Rate shaping  

Port-based  rate control with 64-Kbps

granularity

PON I/F

SLA

EPON SLA

DBA

EPON DBA

Encryption

CTC Specification (triple churning)

Fiber Switchover

<100ms

Management

ONU Management

ONU Loop back test, IEEE802.3ah OAM

SNMP

SNMPv1/v2c

CLI

Console and telnet

WEB

HTTPv1.0

DHCP relay 

Support option82

DHCP server

Alarm

Telco alarm interface and SNMP trap

Equipment Management

LED, reset, firmware upgrade and so on