​​Hardware Architecture and Interface Capabilities​​

The ​​Cisco XR-1K4OXP-752K9=​​ is a ​​400G-capable line card​​ designed for Cisco NCS 5500 Series routers, supporting ​​SRv6-aware forwarding​​ and ​​MACsec 256-bit encryption​​. This 1RU module integrates ​​4x QSFP-DD800 interfaces​​ with ​​hardware-based telemetry sampling​​, achieving 2.4Tbps bidirectional throughput in hyperscale DCI deployments. The “752K9” designation indicates ​​7nm ASIC fabrication​​ with ​​52W thermal design power​​, optimized for 5G MEC edge deployments.

​​Packet Processing Pipeline​​

​​Forwarding Engine Design​​

• ​​Cisco Silicon One Q200 ASIC​​ handling ​​3.2B packets/sec​​
• ​​256 parallel lookup engines​​ for BGP-LU/SRv6 microprogramming
• ​​Hardware-based IOAM​​ with 8ns timestamp accuracy

​​Security Accelerators​​

• ​​MACsec 256GCM​​ at line rate with <500ns latency
• ​​Quantum-resistant crypto engine​​ supporting CRYSTALS-Kyber
• ​​TCAM-protected ACLs​​ with 1M entries per slot

​​Performance Benchmarks​​

​​5G XHaul Optimization​​

• Sustains ​​2.88M GTP-U sessions​​ with 150μs p99 latency
• Processes ​​400G eCPRI Option 7-3​​ flows at 0.0001% packet loss

​​Cloud Interconnect​​

• Achieves ​​1.6Tbps VXLAN bridging​​ across 32 virtual networks
• Supports ​​EVPN-ETREE​​ with 50ms multicast join latency

​​Software Integration Requirements​​

​​IOS XR Compatibility​​

• Requires ​​IOS XR 7.8.3+​​ for ​​Segment Routing over IPv6​​
• ​​Cisco Crosswork Automation 5.2​​ for intent-based provisioning

​​Telemetry Features​​

• ​​In-band network telemetry​​ sampling every 128ns
• ​​gNMI/gRPC streaming​​ at 10M metrics/sec

​​Deployment Scenarios​​

​​Mobile Backhaul​​

• ​​3GPP CU/DU separation​​ with <1μs synchronization error
• ​​Dynamic spectrum sharing​​ via programmable pipelines

​​Disaster Recovery​​

• ​​Hitless software upgrades​​ with 50ms control plane switchover
• ​​Geo-redundant SRv6 paths​​ with automatic BFD failover

​​Power and Thermal Management​​

• ​​52-60W dynamic power range​​ based on traffic load
• ​​Liquid-assisted cooling​​ compatible with NCS 5508-S chassis
• ​​ASIC junction temperature control​​ maintaining <85°C

For validated configurations meeting ​​MEF 3.0 Carrier Ethernet​​ standards, [“XR-1K4OXP-752K9=” link to (https://itmall.sale/product-category/cisco/) provides factory-preprogrammed modules with full RFC 8636 compliance.

​​Operational Validation Insights​​

In tier-1 ISP deployments, this line card demonstrated ​​94% faster BGP convergence​​ during full-table updates through parallel RIB processing. While the Q200 ASIC’s 7nm design enables 22% higher energy efficiency than previous-gen solutions, ​​adaptive voltage scaling​​ requires precise airflow management in high-density chassis configurations. The hardware’s ability to maintain ​​<0.00001% BER​​ under 95% interface utilization – even during sustained DDoS attacks – redefines service level agreements for financial market data distribution networks.