User's Manual

Table Of Contents
Configuration Guide of XGS-5240-Series
25
Layer 2 Features
Prevents packet loss flow control
- IEEE 802.3x pause frame flow control in full-duplex mode
- Back-pressure flow control in half-duplex mode
High performance Store-and-Forward architecture, broadcast storm control and port
loopback detection
32K MAC address table, automatic source address learning and aging
Supports VLAN
- IEEE 802.1Q tag-based VLAN
- Up to 4K VLAN IDs
- Provider Bridging (VLAN Q-in-Q, IEEE 802.1ad) supported
- Private VLAN Edge (PVE) supported
- Protocol-based VLAN
- MAC-based VLAN
- IP subnet VLAN
Supports Link Aggregation
- Maximum 128 trunk groups, up to 8 ports per trunk group
- IEEE 802.3ad LACP (Link Aggregation Control Protocol)
- Cisco ether-channel (static trunk)
Supports Spanning Tree Protocol
- STP, IEEE 802.1D (Classic Spanning Tree Protocol)
- RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
- MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, spanning tree by VLAN)
- Supports BPDU & root guard
Port mirroring to monitor the incoming or outgoing traffic on a particular port (many to many)
Provides port mirror (many-to-1)
Quality of Service
8 priority queues on all switch ports
Support for strict priority and WRR (Weighted Round Robin) CoS policies
Traffic classification
- IEEE 802.1p CoS/ToS
- IPv4/IPv6 DSCP
- Port-based WRR
Strict priority and WRR CoS policies
Multicast
Supports IPv4 IGMP snooping v1, v2 and v3; IPv6 MLD v1 and v2 snooping
Querier mode support
Supports Multicast VLAN Register (MVR)
DHCP