Ports |
4 |
8 |
16 |
16 |
Optics |
XENPAK |
X2 |
X2 |
• No optics
• Copper (RJ-45) connectors |
Switch fabric connection |
40 Gbps (80 Gbps full duplex) |
40 Gbps (80 Gbps full duplex) |
40 Gbps (80 Gbps full duplex) |
40 Gbps (80 Gbps full duplex) |
Oversubscription |
1:1 |
2:1 |
4:1 |
4:1 |
Forwarding engine |
• Default: Centralized forwarding card (CFC)
• Optional: Distributed forwarding card with DFC3A, DFC3B, DFC3BXL, DFC3C, or DFC3CXL |
• WS-X6708-10G-3C: equipped with DFC3C for distributed forwarding, supporting 256,000 routes • WS-X6708-10G-3CXL: equipped with DFC3CXL for distributed forwarding, supporting 1 million routes |
• WS-X6716-10G-3C: equipped with DFC3C for distributed forwarding, supporting 256,000 routes • WS-X6716-10G-3CXL: equipped with DFC3CXL for distributed forwarding, supporting 1 million routes |
• WS-X6716-10T-3C: equipped with DFC3C for distributed forwarding, supporting 256,000 routes • WS-X6716-10T-3CXL: equipped with DFC3CXL for distributed forwarding, supporting 1 million routes |
Queues |
• Receive: 8q8t
• Transmit: 1p7q8t |
• Receive: 8q4t
• Transmit: 1p7q4t |
Oversubscription mode:
• Receive: 1p7q2t per port
• Transmit: 1p7q4t per port group
Performance mode:
• Receive: 8q4t per port
• Transmit: 1p7q4t per port |
Oversubscription mode:
• Receive: 1p7q2t per port
• Transmit: 1p7q4t per port group
Performance mode:
• Receive: 8q4t per port
• Transmit: 1p7q4t per port |
Queuing mechanisms |
• Class of service (CoS)–based queue mapping |
• CoS-based queue mapping
• Differentiated services code point (DSCP)–based queue mapping |
• CoS-based queue mapping
• DSCP-based queue mapping |
• CoS-based queue mapping
• DSCP-based queue mapping |
Scheduler |
• Deficit Weighted Round Robin (DWRR)
• Weighted Random Early Detection (WRED) |
• DWRR
• WRED
• Shaped Round Robin (SRR) at egress |
Oversubscription mode:
• DWRR
• WRED
Performance mode:
• DWRR
• WRED
• SRR at egress |
Oversubscription mode:
• DWRR
• WRED
Performance mode:
• DWRR
• WRED
• SRR at egress |
Port buffers |
16 MB per port |
200 MB per port |
Oversubscription mode:
• 90 MB per port group
Performance mode:
• 200 MB per port |
Oversubscription mode:
• 90 MB per port group
Performance mode:
• 200 MB per port |
Hardware-based multicast replication
(Layer 2) |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
Hardware-based multicast replication
(Layer 3) |
• Ingress and egress
• Approximately 10 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
• Ingress and egress
• Approximately 20 GB per replication engine
• 2 replication engines per module |
Jumbo frame support for bridged and routed packets |
Up to 9216 bytes |
Up to 9216 bytes |
Up to 9216 bytes |
Up to 9216 bytes |
Maximum port density per chassis |
34 ports (9-slot chassis) |
66 ports (9-slot chassis) |
130 ports (9-slot chassis) |
130 ports (9-slot chassis) |
Maximum port density per VSS |
68 ports |
132 ports |
260 ports |
260 ports |
Can be used to form virtual switch link |
No |
Yes |
• Performance mode: Yes (supported in a subsequent software release)
• Oversubscription mode: No |
• Performance mode: Yes (supported in a subsequent software release)
• Oversubscription mode: No |
Supervisor engines supported |
Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks or Supervisor Engine 720 with any policy feature card (PFC; chassis will work in lowest common denominator mode) |
Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks or Supervisor Engine 720 with any PFC (chassis will work in lowest common denominator mode) |
Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks or Supervisor Engine 720 with any PFC (chassis will work in lowest common denominator mode) |
Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks or Supervisor Engine 720 with any PFC (chassis will work in lowest common denominator mode) |
Chassis supported |
• Any Cisco Catalyst 6500 E-Series chassis, C6509-NEB-A chassis, non-E-Series chassis with fan tray 2, or Cisco 7600 Series or 7600-S Series chassis (NEBS compliant: operating temperature up to 55°C)
• Not supported in Cisco Catalyst 6503 non-E Series chassis |
• Any Cisco Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E, and C6509-NEB-A chassis with dual fan tray, or the Cisco 7604, 7609 with dual fan tray, or 7600-S Series chassis (NEBS compliant: operating temperature up to 55°C), or;
• Non-E-Series chassis with fan tray 2, including Cisco Catalyst 6506, 6509, 6513, and C6509-NEB-A with single fan tray or the Cisco 7606, 7613, and 7609 chassis with single fan tray (non-NEBS compliant: operating temperature up to 40°C)
• Not supported in Cisco Catalyst 6503 non-E Series chassis |
• Any Cisco Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E, and C6509-NEB-A chassis with dual fan tray (NEBS compliant: operating temperature up to 55°C), or;
• Non-E-Series chassis with fan tray 2, including Cisco Catalyst 6506, 6509, 6513, and C6509-NEB-A with single fan tray (non-NEBS compliant: operating temperature up to 40°C)
• Not supported in Cisco Catalyst 6503 non-E Series chassis and 7600 Series chassis |
• Any Cisco Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E, and C6509-NEB-A chassis with dual fan tray (NEBS compliant: operating temperature up to 55°C), or:
• Non-E-Series chassis with fan tray 2, including Cisco Catalyst 6506, 6509, 6513, and C6509-NEB-A with single fan tray (non-NEBS compliant: operating temperature up to 40°C)
• Not supported in Cisco Catalyst 6503 non-E Series chassis and 7600 Series chassis |
Slot requirements |
• Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506, 6506-E, 6509, 6509-E, 6509-V-E, or 6509-NEB-A chassis; or Cisco 7604, 7607, 7609, or 7600-S Series chassis
• Can occupy only 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-V-E, or 6509-NEB-A chassis; or Cisco 7604, 7606, 7609, or 7600-S Series chassis
• Can occupy only 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-V-E, or 6509-NEB-A chassis
• Can occupy only slots 9 through 13 in a Cisco Catalyst 6513 chassis |
• Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506, 6506-E, 6509, 6509-E, 6509-V-E, or 6509-NEB-A chassis
• Can occupy only slots 9 through 13 in a Cisco Catalyst 6513 chassis |
Onboard memory |
256 MB default, upgradable to 512 MB or 1 GB |
1 GB default |
1 GB default |
1 GB default |
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