User’s Manual of NS2503-24P/2C
13
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Cisco ether-channel (Static Trunk)
Spanning Tree Protocol
-
STP, IEEE 802.1D (Classic Spanning Tree Protocol)
-
MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, spanning tree by VLAN)
Port Mirroring to monitor the incoming or outgoing traffic on a particular port
¾
Quality of Service
4 priority queues on all switch ports
Traffic
classification:
-
IEEE 802.1p CoS
-
IP TOS / DSCP to 802.1p priority mapping
- Port-Based
priority
Strict priority and Weighted Round Robin (WRR) CoS policies
Supports QoS and In/Out bandwidth control on each port
In/Out rate limit control on each port
¾
Multicast
Supports IGMP Snooping v1 and v2
IGMP Snooping v2 fast leave
Querier
mode
support
¾
Security
IEEE 802.1x Port-Based network access control protocol
RADIUS users access authentication
L3 / L4 Access Control List (ACL)
Source IP-MAC / Port-Binding
Port Security for Source
MAC address entries filtering
¾
Management
Switch Management Interface
-
Telnet Command Line Interface
-
Web switch management
-
SNMP v1, v2c, v3 switch management
-
SSL switch management
Three user privilege levels control (Admin, Operator, viewer)
DHCP client for IP address assignment
DHCP Option82 and DHCP Relay
Link Layer Discovery Protocol (LLDP) for easy network management
Built-in Trivial File Transfer Protocol (TFTP) client
Firmware upgrade via TFTP or HTTP
Configuration restore / backup via TFTP or HTTP
Event message logging to remote Syslog server
Alarm records extractable in standard CSV format for post processing
Four RMON groups 1, 2, 3, 9 (history, statistics, alarms, and events)
SNMP trap / E-Mail Alarm for interface Link Up and Link Down notification
Supports Ping function
Supports Simple Network Protocol (SNTP)