Technical Specifications for the
Catalyst 3500 Series XL

Description	Specification
Performance	10.8 Gbps switching fabric 8.8 million packets-per-second forwarding rate (Catalyst 3548 XL) 7.5 million packets-per-second forwarding rate (Catalyst 3508G XL) 6.5 million packets-per-second forwarding rate (Catalyst 3524 XL) 4.8 million packets-per-second forwarding rate (Catalyst 3512 XL) (All forwarding rates for 64-byte packets) 5.4 Gbps max forwarding bandwidth 4 MB shared-memory architecture shared by all ports Packet forwarding rate for 64-byte packets: 14,880 PPS to 10 Mbps ports 148,800 PPS to 100BaseT ports 1,488,000 PPS to 1000BaseX ports 8192 Media Access Control (MAC) addresses 8 MB DRAM and 4 MB Flash memory onboard
Management	IEEE 802.3x full duplex on 10BaseT, 100BaseTX, and 1000BaseX ports IEEE 802.1D Spanning-Tree Protocol IEEE 802.1Q VLAN IEEE 802.3z 1000BaseX specification 1000BaseX (GBIC) 1000BaseSX 1000BaseLX/LH IEEE 802.3u 100BaseTX specification IEEE 802.3 10BaseT specification
Y2K	Y2K compliant
Connectors and Cabling	10BaseT ports: RJ-45 connectors; two-pair category 3, 4, or 5 unshielded twisted-pair (UTP) cabling 100BaseTX ports: RJ-45 connectors; two-pair Category 5 UTP cabling 1000BaseX GBIC ports: SC fiber connectors, single mode or multimode fiber GigaStack GBIC ports: copper-based Cisco GigaStack cabling Management console port: RJ-45 connector, RS-232 serial cabling
Indicators	Per-port status LEDs - link integrity, disabled, activity, speed, and full-duplex indications System status LEDs - system, RPS, and bandwidth utilization indications
Warranty	Note All units include a lifetime return-to-factory warranty

Catalyst 3512 XL or Catalyst 3524 XL for Desktop Connectivity

Creating an Independent Stack Bus

Point-to-point stacking

Cisco Switch Clustering

Enterprise Workgroup Aggregation