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Appendix A: Technical Specifications
Managed Stackable Switches GSM7200PS and GSM7300S Series Hardware Installation Guide
Layer 2 services
•
802.1Q Static VLAN (Up to 4k)
•
802.1p Class of Service (CoS)
•
802.1D Spanning Tree Protocol (STP)
•
802.1w Rapid Spanning Tree Protocol (RSTP)
•
802.1s Multiple Spanning Tree Protocol (MSTP)
•
802.3ad Link Aggregation (LACP)
•
IGMP v1, v2 Snooping Support
•
MLD snooping
Layer 3 services
(A software upgrade
license is required for the
Layer 3 features)
•
VLAN routing
•
Port routing
•
RIP v1, v2
•
OSPF v2, v3
•
VRRP
•
ACL
•
DiffServ QOS
•
DHCP, BOOTP Relay
•
DHCP server
•
IGMP v2, v3
•
PIM
•
PIM (IPv6)
•
MLD v1, v2
•
DVMRP
•
IPv6 routing
Interface (Auto Uplink on
all RJ-45 ports)
•
24 RJ-45 connectors for 10BASE-T,
100BASE-TX, and 1000BASE-T
•
Four slots are gigabit interface
converters (SFP) for SFP modules
•
Two slots are 10 gigabit interfaces
for SFP+ modules
•
Ports 1–8 support IEEE802.3 at
and af, ports 9–24 support
IEEE802.3af Alternative A (MDI-X)
•
Two I/O module bays for either
10-Gigabit Ethernet or 24-Gigabit
stacking connectivity
•
RS-232 console port
•
48 RJ-45 connectors for 10BASE-T,
100BASE-TX, and 1000BASE-T
•
Four slots are gigabit interface
converters (SFP) for SFP modules
•
Two slots are 10 gigabit interfaces
for SFP+ modules
•
Ports 1–8 support IEEE802.3 at
and af, ports 9–48 support
IEEE802.3af, Alternative A (MDI-X)
•
Two I/O module bays for either
10-Gigabit Ethernet or 24-Gigabit
stacking connectivity
•
RS-232 console port
Bandwidth
136 Gbps
184 Gbps
Address database size
8K MAC addresses per system
10/100/1000 buffer
memory
Max support 0.75-MB buffer memory
Max support 1.5-MB buffer memory
Mean time between
failure (MTBF)
168,208 hours (~19.2 years) @ 25°C
55,879 hours (~6.4 years) @ 55° C
120,118 hours(~13.7 years) @ 25° C
403,10 hours (~4.6 years) @ 55° C
Performance
•
Forwarding modes: Store-and-forward
•
Network latency: Less than 80 microseconds for 64-byte frames in
store-and-forward mode for 10 Mbps to 100 Mbps transmission
•
Addressing: 48-bit MAC address
•
Acoustic noise: (ANSI-S10.12): 45 dB @ 25°C ambient temperature
•
Heat dissipation: 260.488 Btu/hr GSM7228PS, 389.196 Btu/hr for
GSM7252PS.
Table A-1. Technical Specifications for GSM7228PS and GSM7252PS (Continued)
Feature
GSM7228PS
GSM7252PS
