Cisco Nexus 9000 9k debug and diagnostic commands complete
Display real-time stats on peering keepalives: last send/receive time, IP of the peer, port and protocol used, vrf for communicaiton.
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Debugging Independent Switch LPO
Linear Drive Pluggable Optics
Linear Drive Pluggable Optics (LPOs) have gained tremendous attention during 2023 and this document attempts to de-mystify the terminology. The focus is on 400G and 800G LPOs using 56GBd lanes.
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SONiC/doc/smart-switch/pmon/smartswitch-pmon.md at master
Introduction SmartSwitch offloads the Packet Processors (NPUs) and the host CPUs, freeing up resources for application performance, thereby performing layer four to layer seven functions in a
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LPO webinar note
Man Jiangwei, Director of the Advanced Opto-Electronics Laboratory at HiSilicon, shared their test data for LPO modules and suggested that the switch ASIC should include additional functionality to
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Troubleshooting Switch Discovery
The ACI-mode switch software includes a comprehensive leaf and spine switch discovery validation program. The validation program is launched with a switch CLI command when a switch is stuck in
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Debug logging
You can enable LLDP debug logging to a configured debug destination (Syslog server, a terminal device, or both) by executing the debug lldp command. (For more information on Debug and Syslog,
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Understanding the MSPM0 Debug Subsystem
By having the debug subsystem separate from the M0+ core, it provides the debugger or programmer a method of regaining access to the device in scenarios of misconfiguration or low-power state.
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Interface and Hardware Commands
When you enable debugging on a switch stack, it is enabled only on the active switch. To enable debugging on a stack member, you can start a session from the active switch by using the session
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Link Diagnostic Per Port
1—Port is close by command PAOS down command, also used form port shutsdown, for example. Check who sent the command to close the port and reopen it. 2—AN failure Both sides did not agree
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800G Linear Direct Drive Network System Design & Implementation
To thoroughly assess whether the core switch has the capability to fully support LPO optical modules on all ports, this paper establishes a test environment as shown in Figure 4-1.
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Solved: Debugs to see power negotiation
Solved: Can someone let me know the debugs which can be used to see cdp and lldp power negotiation of cisco poe switches with phones etc.I have some phones which take abt 15w
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Link Diagnostics in LPO Applications
LPO-based hosts and modules support a variety of diagnostic capabilities for monitoring of both optical and electrical interfaces. Registers used for transmit and receive diagnostics in CMIS can be
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SmartDebug User Guide
This provides a lean installation that includes all the programming and debug tools to be installed in a lab environment for debug. In this mode, SmartDebug is launched outside of the Libero Design Flow.
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Linear pluggable optics for data centers
Customers have often singled out link accountability as a key impediment to adoption of LPO, and for good reasons
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