Cisco C9500-16X-E Catalyst 9500 16-port 10G switch NW Ess. 1 26 C9500-16X 16.9.3 CAT9K_IOSXE INSTALL. Model Number : C9500-16X. The Cisco Catalyst 9500 Series also supports foundational high-availability capabilities such as patching, Cisco Nonstop Forwarding with Stateful Switchover (NSF/SSO), redundant platinum-rated power supplies, and fans, while supporting a wide array of optics.
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