Feature | WS-X6704-10GE | WS-X6708-10G-3C
WS-X6708-10G-3CXL |
Ports | 4 | 8 |
Optics | XENPAK | X2 |
Switch fabric connection | 40 Gbps
(80 Gbps full duplex) | 40 Gbps
(80 Gbps full duplex) |
Forwarding engine | Default: centralized forwarding (CFC)
Optional: distributed forwarding with DFC3A, DFC3B, or DFC3BXL | WS-X6708-10G-3C: equipped with DFC3C for distributed forwarding, supporting 256K routes
WS-X6708-10G-3CXL: equipped with DFC3CXL for distributed forwarding, supporting 1M routes |
Queues | RX: 8q8t
TX: 1p7q8t | RX: 8q4t
TX: 1p7q4t |
Queuing mechanisms | Class of service (CoS)-based queue mapping | CoS-based queue mapping
Differentiated services code point (DSCP)-based queue mapping |
Scheduler | Deficit Weighted Round Robin (DWRR) | DWRR and Shaped Round Robin (SRR) |
Port buffers | 16 MB per port | 200 MB per port |
Jumbo frame support for bridged and routed packets | Up to 9216 bytes | Up to 9216 bytes |
Maximum port density | 32 ports (9-slot chassis) | 64 ports (9-slot chassis) |
Supervisor engines supported | Supervisor Engine 720 | Supervisor Engine 720 |
Chassis supported | Any Catalyst 6500 E-Series chassis, C6509-NEB-A chassis, non-E-Series chassis with Fan Tray 2, or Cisco 7600 chassis (NEBS compliant: operating temperature up to 55°C) Not supported in Catalyst 6503 non-E Series chassis | Any Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, and C6509-NEB-A chassis, or the Cisco 7604 and 7609 chassis (NEBS compliant: operating temperature up to 55°C) Or Non-E-Series chassis with Fan Tray 2, including 6506, 6509, 6513, or the Cisco 7606 and 7613 chassis (non-NEBS compliant: operating temperature up to 40°C) Not supported in Catalyst 6503 non-E Series chassis |
Slot requirements | Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB-A, Cisco 7604, 7607, 7609 chassis; can only occupy slots 9 through 13 in a Cisco Catalyst 6513 or Cisco 7613 chassis | Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB-A, Cisco 7604, 7606, 7609 chassis; can only occupy slots 9 through 13 in a Cisco Catalyst 6513 or Cisco 7613 chassis |
Onboard memory | 256 MB default, upgradable to 512 MB or 1 GB | 1 GB default |
