Модуль Cisco Catalyst WS-X6816-10T-2T
Линейный модуль Cisco Catalyst WS-X6816-10T-2T представляет собой 16ти портовый модуль 10Гбит с возможностью подключения оптических соединений. Коммутационная фабрика формата 2х20Гбит позволяет осуществлять «переподписку» с отношениями 1:1 при использовании 4 портов и 4:1 при использовании всех доступных 16 портов.
Основные особенности
- 16 x 10 Gbps, RJ-45
- Переподписка 4:1
- Подключение к фабрике - 40 Gbps
- 180 x 10 Gbps (360 x 10 Gbps - VSS)
- Поддержка DFC4/DFC4XL
- Поддержка L2-4 Jumbo Frame (9216 байт)
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| Feature | 16-port 10GbE Fiber Module | 16-Port 10GbE Copper Module |
| Ports | 16 | 16 |
| Optics | X2 | Copper (RJ-45) connectors |
| Switch fabric connection | 2 x 20 Gbps (40 Gbps total) | 2 x 20 Gbps (40 Gbps total) |
| Oversubscription | 4:1 16 ports (oversubscription mode) 1:1 4 ports (performance mode) | 4:1 16 ports (oversubscription mode) 1:1 4 ports (performance mode) |
| Forwarding engine | • WS-X6816-10G-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-X6816-10G-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 | • 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 | 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 | • 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 | 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) | 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 | • 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 | Up to 9216 bytes |
| Maximum port density per chassis | 176 ports (6513-E chassis) 128 ports (6509-E chassis) | 176 ports (6513-E chassis) 128 ports (6509-E chassis) |
| Maximum port density per VSS | 352 ports | 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 mod
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