IEEE 802.3ah EPON
China telecom/Unicom GEPON standard
20Km for single fibber
Access 64 terminals for single fibber PON
Uplink and downlink triple churning encrypted function
ONU terminal legitimacy certification, report illegal ONU registration
DBA algorithm
Standard OAM and extended OAM
ONU batch software upgrade, fixed time upgrade, real time upgrade
PON transmit and inspect receiving optical power

L2 features

MAC

MAC Black Hole
Port MAC Limit
16K MAC address

VLAN

4K VLAN entries
Port-based/MAC-based/IP subnet-based VLAN
Port-based QinQ and Selective QinQ (StackVLAN)
VLAN Swap and VLAN Remark and VLAN Translate
GVRP
Based on ONU service flow VLAN add, delete, replace

Spanning tree protocol

IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol instances (MSTP)
ONU remote loop detecting alarm

Port

Bi-directional bandwidth control
Static link aggregation and LACP(Link Aggregation Control Protocol)
Port mirroring and traffic mirroring

Security features

User security

Anti-ARP-spoofing
Anti-ARP-flooding
IP Source Guard create IP+VLAN+MAC+Port binding
Port Isolation
MAC address binds to port and port MAC address filtration
IEEE 802.1x and AAA/Radius authentication

Device security

Anti-DOS attack(such as ARP，Synflood, Smurf, ICMP attack), ARP detection, worm and Msblaster worm attack
SSHv2 Secure Shell
SNMP v3 encrypted management
Security IP login through Telnet
Hierarchical management and password protection of users

Network security

User-based MAC and ARP traffic examination
Restrict ARP traffic of each user and force-out user with abnormal ARP traffic
Dynamic ARP table-based binding
Supports IP+VLAN+MAC+Port binding
L2 to L7 ACL flow filtration mechanism on the 80 bytes of the head of user-defined packet
Port-based broadcast/multicast suppression and auto-shutdown risk port
URPF to prevent IP address counterfeit and attack
DHCP Option82 and PPPoE+ upload user’s physical location
Plaintext authentication of OSPF、RIPv2 and BGPv4 packets and MD5 cryptograph authentication

Service features

ACL

Standard and extended ACL
Time Range ACL
Packet filter providing filtering based on source/destination MAC address, source/destination IP address, port, protocol, VLAN,
VLAN range, MAC address range, or invalid frame. System supports concurrent identification at most 50 service traffic
Support packet filtration of L2～L7 even deep to 80 bytes of IP packet head

QoS

Rate-limit to packet sending/receiving speed of port or self-defined flow and provide general flow monitor and two-speed
tri-color monitor of self-defined flow
Priority remark to port or self-defined flow and provide 802.1P, DSCP priority and Remark
CAR(Committed Access Rate)、Traffic Shaping and flow statistics
Packet mirror and redirection of interface and self-defined flow
Super queue scheduler based on port and self-defined flow. Each port/ flow supports 8 priority queues and scheduler of SP, WRR and
SP+WRR.
Congestion avoid mechanism，including Tail-Drop and WRED

IPv6

SA/DA Classification MLD Snooping

Multicast

IGMPv1/v2/v3
IGMPv1/v2/v3 Snooping
IGMP Filter
MVR and cross VLAN multicast copy
IGMP Fast leave
IGMP Proxy
PIM-SM/PIM-DM/PIM-SSM
PIM-SMv6、PIM-DMv6、PIM-SSMv6
MLDv2/MLDv2 Snooping

Reliability

Loop protection

EAPS and GERP (recover-time <50ms)
Loopback-detection

Link protection

FlexLink (recover-time <50ms)
RSTP/MSTP (recover-time <1s)
LACP (recover-time <10ms)
BFD

Device protection

VRRP host backup
Double fault-tolerant backup of host program and configuration files
PON card/fan hot-swappable
1+1 power hot backup

Maintenance

Network maintenance

Telnet-based statistics
RFC3176 sFlow
LLDP
802.3ah Ethernet OAM
RFC 3164 BSD syslog Protocol
Ping and Traceroute

Device management

Command-line interface（CLI）, Console, Telnet and WEB configuration
System configuration with SNMPv1/v2/v3
RMON (Remote Monitoring)1/2/3/9 groups of MIB
NTP(Network Time Protocol)