Thông số chung Layer 2 Switching |
MAC Table |
Up to 8192 MAC addresses |
Spanning Tree Protocol (STP) |
Standard 802.1d Spanning Tree support, enabled by default |
Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]) |
Multiple Spanning Tree instances using 802.1s (MSTP) |
16 instances are supported |
Port Grouping |
Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP) |
Up to 8 groups |
Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad link aggregation |
Load balance based on source and destination MAC address, or source and destination MAC/IP |
VLAN |
Support for up to 256 VLANs simultaneously |
Port-based and 802.1Q tag-based VLANs |
Management VLAN |
Guest VLAN |
Auto Voice VLAN |
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS |
QinQ VLAN |
VLANs transparently cross a service provider network while isolating traffic among customers |
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) |
Protocols for automatically propagating and configuring VLANs in a bridged domain |
Head-of-Line (HOL) Blocking |
HOL blocking prevention |
Jumbo Frame |
Frame sizes up to 9216 supported |
Package Contents |
Cisco 220 Series Ethernet switch |
Power cord |
Mounting kit included in all SKUs |
Console cable |
CD-ROM with user documentation (PDF) included |
Quick start guide |