Chapter 56 Product Specifications

Table 173

Switching Specifications

Layer 2

 

Bridging

8K MAC addresses in the XGS-4526 or XGS-4528F; 16K MAC

Features

 

 

addresses in the XGS-4728F

 

 

 

Static MAC address filtering by source/destination

 

 

 

Broadcast storm control

 

 

 

Static MAC address forwarding

 

 

 

 

 

 

Switching

Switching fabric: 144 Gbps, non-blocking

 

 

 

Max. Frame size: 9 kbytes

 

 

 

Forwarding frame: IEEE 802.3, IEEE 802.1q, Ethernet II, PPPoE

 

 

 

Prevent the forwarding of corrupted packets

 

 

 

 

 

 

STP

IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

 

 

 

Multiple Rapid Spanning Tree capability (4 configurable trees)

 

 

 

IEEE 802.1s Multiple Spanning Tree Protocol

 

 

 

BPDU transparency

 

 

 

Smart isolation

 

 

 

 

 

 

QoS

IEEE 802.1p

 

 

 

Eight priority queues per port

 

 

 

Port-based egress traffic shaping

 

 

 

Rule-based traffic mirroring

 

 

 

IEEE 802.3x flow control

 

 

 

TRTCM

 

 

 

 

 

 

VLAN

Port-based VLAN setting

 

 

 

Tag-based (IEEE 802.1Q) VLAN

 

 

 

Number of VLAN: 4K, 1K static maximum

 

 

 

Supports GVRP

 

 

 

Double tagging for VLAN stacking

 

 

 

Protocol Based VLAN

 

 

 

Subnet Based VLAN

 

 

 

Selective Q-in-Q

 

 

 

VLAN translation (mapping)

 

 

 

Private VLAN

 

 

 

 

 

 

Port

Supports IEEE 802.3ad; static and dynamic (LACP) port trunking

 

 

Aggregation

12 groups (up to 8 ports each)

 

 

 

 

 

 

 

468

 

XGS-4526/4528F/4728F User’s Guide