Datasheet

3COM
®
SWITCH 7700 FAMILY DATA SHEET
4
PERFORMANCE
Backplane capacity Switch 7708R and 7757 chassis: 96 Gbps; Switch 7754: 24 Gbps
Maximum aggregate system bandwidth Switch 7708R and 7757 chassis: 240 Gbps; Switch 7754: 120 Gbps
Maximum aggregate system throughput Switch 7708R and 7757 chassis: 179 Mpps; Switch 7754: 89 Mpps
LAYER 2 SWITCHING
MAC address 32K MAC addresses
10K static MAC addresses
Modules forwarding (delay <10µs)
9K jumbo frame support
VLAN 4096 VLANs (IEEE 802.1Q)
Port-based (IEEE 802.1Q) and protocol-based (IEEE 802.1v) VLANS
GARP VLAN Registration Protocol (GVRP)
IPv6 tunneling using protocol-based VLANs
Link aggregation IEEE 802.3ad Link Aggregation Control Protocol (LACP)
Supports maximum of 64 link aggregation groups
A
uto-negotiation Auto-negotiation of port speed and duplex
Traffic control IEEE 802.3x full-duplex flow control
Back pressure flow control for half-duplex
Supports broadcast storm suppression per VLAN
STP/RSTP IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1S Multiple Spanning Tree Protocol instances (MSTP)
Single STP instance
Bridge Protocol Data Unit (BPDU) protection
LAYER 3 SWITCHING
Routes
Har
dware based routing
64K routes
64K static routes
64K dynamic / static Address Resolution Protocol (ARP) entries
IP routing 64 IP interfaces
Routing Information Protocol (RIP), v1 and v2; supports Split Horizons
Open Shortest Path First (OSPF)
†
, v1 and v2; 50 areas
Border Gateway Protocol 4 (BGP4)*
Intra-Domain Intermediate System to Intermediate System (IS-IS)*
Multicast Hardware-based multicast routing for wirespeed performance
1K multicast routes
Internet Group Management Protocol (IGMP) snooping on Layer 2 interfaces
IGMP v1 and v2
GARP Multicast Registration Protocol (GMRP)
Protocol Independent Multicast-Dense Mode (PIM-DM)
Pr
otocol Independent Multicast-Sparse Mode (PIM-SM)
Network pr
otocol
Dynamic Host Configuration Pr
otocol Relay (DHCP Relay)
TCP/IP pr
otocol stack
ARP
Resilience
V
irtual Router Redundancy Pr
otocol (VRRP): 14 virtual routers per
switch; each virtual r
outer supports 16 IP addr
esses
Features
†
64 Gbps or 32 Gbps switch fabrics only.
*
Available in the 3Com Advanced Feature Software; for use with 64 Gbps or 32 Gbps switch fabrics.