| Product Code | WS-X6816-10T-2T |
| Description | 6800 Series 16-Port 10 Gigabit Ethernet Copper Module with DFC4 & DFC4XL |
| Feature | 16-Port 10GbE Copper Module |
| Ports | 16 |
| Optics | Copper (RJ-45) connectors |
| Switch fabric connection | 2 x 20 Gbps (40 Gbps total) |
| Oversubscription | 4:1 16 ports (oversubscription mode) 1:1 4 ports (performance mode) |
| Forwarding engine | WS-X6816-10T-2T: comes equipped with DFC4 for distributed forwarding, supporting 256K forwarding entries, increased ACL entries to 64K, increased Netflow entries to 512K and increased IPv4 forwarding speed to 60 Mpps WS-X6816-10T-2TXL: equipped with DFC4XL for distributed forwarding, supporting 1 million forwarding entries, increased ACL entries to 256K, increased Netflow entries to 1024K and increased IPv4 forwarding speed to 60 Mpps Increased performance of up to 60Mpps for L2, IPv4 and MPLS forwarding and up to 30Mpps for IPv6 forwarding Support for 16K Bridge Domains, allowing the standard 4K VLANs to be reused across these bridge domains, effectively increasing the number of VLANs available in the system Increased MAC Address Table to 128K Increased multicast routes to 256K IGMPv3 snooping in hardware PIM registers in hardware IPv6 MLDv2 snooping in hardware IPV4 & IPv6 in IPv6 tunnelling IPv6 in IPv4 tunneling ISATAP, 6to4, GRE) QoS support for uniform, short pipe and pipe mode tunnel Terminate the tunnel in the same loopback |
| Queues | 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 (Differentiated Service Code Point (DSCP) based queue mapping |
| Scheduler | Oversubscription mode: Deficit Weighted Round Robin (DWRR) Weighted Random Early Detection (WRED) Performance mode: DWRR WRED Shaped Round Robin (SRR) at egress |
| Port buffers | Oversubscription mode: 90 MB per port group Performance mode: 256 MB per port (128 MB for ingress and 128 MB for egress) |
| Hardware-based multicast replication | Ingress and Egress replication-mode Approximately 20 Gbps per replication engine 2 replication engines per module |
| Jumbo frame support for bridged and routed packets | Up to 9216 bytes |
| Maximum port density per chassis | 176 ports (6513-E chassis) 128 ports (6509-E chassis) |
| Maximum port density per VSS | 352 ports |
| Can be used to form virtual switch link | Performance mode: Yes ◦ Up to 4 10 Gigabit Ethernet ports can be used for virtual switch link Oversubscription mode: No |
| Supervisor engines supported | Catalyst 6500 Supervisor Engine 2T and 2TXL |
| Chassis supported | Any Cisco Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E (NEBS compliant) and 6513-E chassis Not supported in non-E Series chassis |
| Slot requirements | Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506-E, 6509-E or 6509-V-E or chassis Can occupy slots 1-6 and 9-13 in a Cisco Catalyst 6513-E chassis |
| Onboard memory | 1 GB default |
| Cabling Supported | Category 6, 6A UTP & STP & Category 7 STP copper cabling |
