GS-4012F User’s Guide
Product Specifications 287
APPENDIX A
Product Specifications
These are the GS-4012F product specifications.
Table 97 General Product Specifications
Interface 12 mini-GBIC (SFP) Slots
4 Gigabit/mini-GBIC ports
Auto-negotiation
Auto-MDIX
Compliant with IEEE 802.3ad/u/x
Back pressure flow control for half duplex
Flow control for full duplex (IEEE 802.3x)
RJ-45 Ethernet cable connector
Rate limiting at 64Kbps steps
Layer 2
Features
Bridging 16K MAC addresses
Static MAC address filtering (port lock)
Broadcast storm control
Limited maximum number of MAC addresses per port
Switching Switching fabric: 24Gbps, non-blocking
Max. Frame size: 1522 bytes
Forwarding frame: IEEE 802.3, IEEE 802.1q, Ethernet II, PPPoE
Prevent the forwarding of corrupted packets
STP IEEE 802.1d spanning tree protocol
IEEE 802.1w, rapid reconfiguration to recover network failure
QoS IEEE 802.1p
Eight priority queues
Supports RFC 2475 DiffServ, DSCP to IEEE 802.1p priority mapping
Security IEEE 802.1x port-based authentication
VLAN Port-based VLAN setting
Tag-based (IEEE 802.1Q) VLAN
Number of VLAN: 4K
Supports GVRP
Link
aggregation
Supports IEEE 802.3ad; static and dynamic (LACP) port trunking
Six groups (up to 8 ports each)
Port mirroring All ports support port mirroring
Bandwidth
control
Supports rate limiting at 1Mbps increment
Supports IGMP snooping
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