- Welcome to the Cisco Nexus 3550F Fusion Documentation
-
- Command Line Interface
- Configuration Management
- User Management
- Diagnostics
- Statistics Logging
- Configuring Ports
- Packet Capture
- Patches and Taps
- FPGA Module
- Switch Objects
- Mux Objects
- MAC Address Table
- IGMP and Multicast
- VLAN Support
- Mirror and Timestamping Fusion
- Mirror and Timestamping Fusion HPT
- Virtual Ports
- LLDP
- SNMP
- TACACS+
- Access Control
- Latency Statistics
- BGP
- Bash Shell
- Automatic Configuration
- Known Issues
Statistics
The Cisco Nexus 3550-F Fusion (formerly ExaLINK Fusion) collects data traffic statistics when a FPGA module with mux
, switch
or fastmux
firmware is installed.
Sent and received packet counters can be viewed using the show port
command. Please refer to the port page for more information.
Latency Statistics
Note: This feature is for the mux
firmware only.
The Nexus 3550-F records aggregated statistics on the time it takes for packets to traverse the device when using switch or mux objects. The latency statistics can be viewed using the show latency
command:
admin@N3550-F> port B1 show latency
Total packets : 5858442
Percentile Latency
---------- -------
maximum 107 ns
99.99 107 ns
99.90 107 ns
99.00 101 ns
95.00 101 ns
90.00 101 ns
75.00 101 ns
50.00 95 ns
25.00 95 ns
minimum 95 ns
The latency number is the time it takes from the packet entering the ingress port at the front panel, to the time it leaves the egress port at the front panel.
By default, the show latency
command shows latency statistics for the last minute. To show the latency statistics for a different length of time, the last
argument can be used to specify the number of minutes of statistics to show. For example, to show the latency statistics for the last 10 minutes:
admin@N3550-F> port B1 show latency last 10
Because of memory limitations, older latency data is aggregated, so the statistics shown using this command may include more than the requested length of time.