Cisco Nexus 7000 M2 N7K-M224XP-23L= Scheda Tecnica

 

 

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The Cisco Nexus 7000 M2-Series module has a number of essential features that provide flexible deployment and 

support for environments requiring the highest performance and comprehensive features. With an optional 

Scalable Feature License, the module can operate in the enhanced XL mode, which enables use of the full 

forwarding table, essential for large-scale deployments such as Internet peering environments. This larger 

forwarding table can support multiple copies of the full Internet route table for use in Internet-facing deployments 

with Virtual Routing and Forwarding (VRF) and Virtual Device Context (VDC) support. The capability to operate in 

either non-XL or XL mode makes this module extremely versatile and flexible for many types of networking 

environments, without requiring a hardware module change or upgrade, and delivers a lower total cost of 

ownership (TCO). Table 2 lists the performance specifications for the Cisco Nexus 7000 M2-Series module 

operating in non-XL and XL modes. 

Performance Specifications for Non-XL and XL Mode Operation 

128K 

128K 

128K 

Up to 1M

* 

 

64K 

Up to 350K

*

 

512K 

512K 

64K 

128K 

*

 Actual limit depends on prefix distribution 

The Cisco Nexus 7000 M2-Series module contains two integrated forwarding engines capable of delivering up to 

120 million packets per second (Mpps) of Layer 2 and Layer 3 IPv4 unicast forwarding or 60 Mpps of IPv6 unicast 

forwarding across all ports of a single I/O module. The distributed architecture, with the forwarding engine 

integrated into each module, scales the forwarding performance of the chassis linearly by the number of I/O 

modules employed. The 18-slot chassis with 16 Cisco Nexus 7000 M2-Series modules can deliver up to 1.92 

billion packets per second (Bpps) of IPv4 unicast forwarding or 960 Mpps of IPv6 unicast forwarding. Multicast 

forwarding is built into the I/O module, performing egress replication. The integrated forwarding engines also 

deliver ACL filtering, marking, rate limiting, and NetFlow with no degradation of performance. Powerful ACL 

processing supports up to 128K entries per module, where entries can address Layer 2, 3, and 4 fields in addition 

to the Cisco metadata fields that employ Security Group Tags (SGTs). 

The Cisco Nexus 7000 M2-Series module offers exceptional security with integrated hardware support for Cisco 

TrustSec

®

 technology, including line-rate data confidentiality, data integrity, and ACL processing for SGTs. Data 

confidentiality and integrity conform to the IEEE MAC security standard (IEEE 802.1AE [MACsec]). All ports on the 

module support the Advanced Encryption Standard (AES) cipher, using a 128-bit key. New security ACLs are 

enhanced through hardware support for Cisco metadata headers capable of carrying SGTs. Security group ACLs 

(SGACLs) use SGT information to provide hardware-based enforcement of security policies, removing 

dependencies on IP addresses, and thus improving scalability and simplifying manageability. 

The Cisco Nexus 7000 M2-Series module buffers data in Virtual Output Queues (VOQ) before the data flows to the 

fabric. The data flow is controlled by a central arbiter on the supervisor module, using a credit-based buffer design. 

This architecture offers a lossless fabric that delivers quality of service (QoS) and fairness across all ports, even 

during congestion.