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The rapid acceptance and accelerated growth of the Internet is quickly transforming the mix of traffic crossing public networks. To compete effectively in a data-driven economy, service providers need an...
The rapid acceptance and accelerated growth of the Internet is quickly transforming the mix of traffic crossing public networks. To compete effectively in a data-driven economy, service providers need an optical transport infrastructure optimized for pack

The rapid acceptance and accelerated growth of the Internet is quickly transforming the mix of traffic crossing public networks. To compete effectively in a data-driven economy, service providers need an optical transport infrastructure optimized for packets combined with the scalability and the flexibility to support unimagined IP-based applications.


Cisco Systems, Inc. has developed the Quad OC-12/STM-4 packet-over-SONET/SDH line card. This new high density interface card offers industry leading switching performance and class-of-service (CoS) features for delivering advanced end-to-end networking features. The high performance switching engine integrates WRED and our innovative ASIC-based queue scheduling algorithm Modified Deficit Round Robin (MDRR) in the core of the network. These allow service providers to offer differentiated services with deterministic traffic behavior in the core of the network. This unique combination of features provides a versatile solution allowing a service provider to deploy a single interface in either a core application or a high-capacity aggregation application. This level of flexibility helps improve protection of investment, which is ideal given the dynamic nature of an Internet-driven economy.





Layer 3 Feature Summary




  • 4 Mpps forwarding rate for IP, Frame Relay Switching1, and Multiprotocol Label Switching (MPLS)

  • IP and MPLS load balancing (6 paths)

  • IP and MPLS CoS—32 CoS queues per destination line card (2056 CoS queues total)

  • Random Early Detection (RED) and Weighted Random Early Detection (WRED)

  • Modified Deficit Round Robin (MDRR)

  • Packet/byte count, SONET/SDH errors, queue size, and WRED statistics without performance degradation.

  • MPLS traffic engineering using Routing with Resource Reservation (RRR)

  • MPLS Virtual Private Network (VPN)1

  • Multicast forwarding

  • Per Interface Rate Control (PIRC)2

  • Extended access control list (EACLs)2

  • A Cisco Express Forwarding (CEF) table that can accommodate up to one million forwarding entries

  • Maximum transfer unit (MTU) 9188 bytes

  • 64 MB of route table memory, expandable to 256 MB

  • 128 MB of packet forwarding table memory (PSA)

  • 256 MB of packet buffer memory, expandable to 512 MB.


We prefer to ship UPS or FedEx, we also can ship DHL or US Postal Service. We can usually have it to your location overnight if needed. Additional Fee(s) may apply for special shipping. All equipment will ship from our warehouse located at our office in Springfield, MO. We can also ship overseas if needed and we only charge exact shipping costs. For most customers outside the USA and Canada, wire transfer is the only form of payment we will accept. Overseas customers can either arrange to have the equipment picked up in the USA or we will ship to your location by FedEx. We can also ship to a freight forwarder here in the USA. The purchaser will be required to pay for taxes and duties through customs in your home country.
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