The Cisco 1- and 2-Port Multichannel Enhanced Capability Port Adapters for the Cisco 7200 Series Routers and Cisco 7301 Router are enhanced versions of the earlier multichannel T3 port adapters.
MacMall Part #: 7356677
Manufacturer Part #: PA-MC-T3-EC
The Cisco 1- and 2-Port Multichannel Enhanced Capability Port Adapters for the Cisco 7200 Series Routers and Cisco 7301 Router are enhanced versions of the earlier multichannel T3 port adapters (part numbers PA-MC-T3 and PA-MC-2T3+). The port adapters address specific scalability challenges by increasing performance and lowering CPU usage. They offload advanced capabilities and features from the CPU, delivering them directly to meet enterprise and service provider WAN link-aggregation service requirements. Each port adapter T3 interface can be independently configured for either multichannel T3 or clear-channel packet-over-T3 operation. With T3 port configurations, connections to DS-3 and subrate DS-3 services can be provisioned. With multichannel T3 port configurations, up to 28 T1 links per T3 interface can be brought in on a singlewide port adapter. Each T1 can be further channelized to DS-0, making the port adapters highly flexible interfaces for WAN provisioning.
Features such as Multilink Point-to-Point Protocol (MLPPP), Multilink Frame Relay (MLFR), link fragmentation and interleaving (LFI), and FRF.12 have been offloaded from the CPU to help enable agile response to new services while using existing infrastructure connections to better advantage. Increased line-rate performance and offloading of fragmentation processes lower CPU usage on the Cisco 7200 Series and Cisco 7301 platforms to provide scalable aggregation services.
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