McDewey

Data sheet Cisco public © 2025 Cisco and/or its affiliates. All rights reserved. Platform benefits Table 1. Platform benefits Model Catalyst 9500 Catalyst 9500X Resiliency and high availability Software Maintenance Upgrade (SMU) Yes Yes Cisco StackWise Virtual Yes Yes3 Stateful Switchover (SSO) Yes (StackWise Virtual Link) Yes (StackWise Virtual Link)3 In-Service Software Upgrade (ISSU) Yes (StackWise Virtual Link) Yes (StackWise Virtual Link)3 Graceful Insertion and Removal (GIR) Yes Yes MACsec Key Agreement (MKA) high availability Yes No1 Enterprise security Trustworthy solutions Yes Yes Image signing Yes Yes Secure Boot Yes Yes Cisco Trust Anchor Module Yes Yes MACsec encryption (256-bit AES-GCM) Yes Yes Cisco WAN MACsec (256-bit AES-GCM) No Yes2,5 Object-group ACLs (IPv4/IPv6) Yes Yes4 Enterprise QoS Modular QoS CLI (MQC) Yes Yes Strict priority queuing Yes Yes Class/color-aware queuing Yes (weighted fair queuing [WFQ]) Yes (virtual output queuing [VoQ]) Policing/metering Yes Yes Shaping/bandwidth Yes Yes Hierarchical QoS Yes (2-level) Yes (2-level)