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Product Overview
Switch model
C9500-40X
Cisco Catalyst 9500 Series High Performance Switches
C9500-32C
C9500-32QC
C9500-24Y4C
C9500-48Y4C
Cisco Catalyst 9500X Series Switches
C9500X-28C8D
Note
For information about SFP and QSFP network modules, see
Support for Breakout Cables
On Cisco Catalyst 9500 Series High Performance Switches, breakout cables are supported only on the
C9500-32C model. Breakout cables enable a single 40G QSFP+ interface to be split into four 10G SFP+
interfaces and a single 100G QSFP28 interface into four 25G SFP28 interfaces.
Breakout Cables are only supported on the odd numbered QSFP28 ports of C9500X-28C8D. However, you
can use breakout cables in any of the QSFPDD ports.
For supported SFP and QSFP modules, refer to the Cisco Transceiver Modules Compatibility Information at
https://tmgmatrix.cisco.com/.
Port Mapping for Cisco Catalyst 9500 Series Switches
The odd-numbered ports are on the upper row and the even-numbered ports on the lower row. The following
figures show how the ports and the LEDs are numbered on different switch models. This section also explains
the port mapping between 40G and 10G ports for the switches when configuring 40G ports to operate as four
10G ports using breakout cables.
Port Mapping for Cisco Catalyst 9500 Series Switches
Supported ports
Supports standard 40x10G SFP modules.
The uplink ports support 8x10G SFP/SFP+ modules and 2x40G
QSFP+ modules.
Supports standard 32x100G or 32x40G QSFP28 modules; all ports
are 100G/40G capable.
Supports standard 16x100G or 32x40G QSFP28 modules; only the
ports in the top row are 100G capable.
Supports standard 24x25G or 24x10G SFP28 modules; all ports are
25G/10G/1G capable.
The uplink ports support 4x100G or 4x40G QSFP+ modules.
Supports standard 48x25G or 48x10G SFP28 modules; all ports are
25G/10G/1G capable.
The uplink ports support 4x100G or 4x40G QSFP28 modules.
Supports 28x100G/40G QSFP28 and 8x400G/200G/100G/40G
QSFP-DD modules. The switch also supports 10G with QSA on
QSFP28 and QSFP-DD ports.
Network Modules, on page
Cisco Catalyst 9500 Series Switches Hardware Installation Guide
20.
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Troubleshooting
