CISCO NXOS (GRPC)
CISCO NXOS support its own way to stream telemetry data using GRPC, we can enable GRPC and can get offered metrics from the device
Enable GRPC
switch-1# configure terminal
switch-1(config)#
switch-1# feature grpc
switch-1(config)#
switch(config)# grpc use-vrf defaultGRPC Verification
Show run GRPC
switch# show run grpc
!Command: show running-config grpc
!Running configuration last done at: Mon Jan 29 13:59:36 2024
!Time: Mon Jan 29 14:06:27 2024
version 9.3(9) Bios:version 04.18
feature grpc
grpc use-vrf defaultGRPC Service Statistics
switch# show grpc gnmi service statistics
=============
gRPC Endpoint
=============
Vrf : management
Server address : [::]:50051
Status : Running - certificate expired
Cert notBefore : Jan 10 07:07:03 2024 GMT
Cert notAfter : Jan 11 07:07:03 2024 GMT
Max concurrent calls : 8
Listen calls : 1
Active calls : 0
Number of created calls : 32
Number of bad calls : 29
Subscription stream/once/poll : 15/0/0
Max gNMI::Get concurrent : 5
Max grpc message size : 8388608
gNMI Synchronous calls : 20496
gNMI Synchronous errors : 0
gNMI Adapter errors : 0
gNMI Dtx errors : 0
=============
gRPC Endpoint
=============
Vrf : default
Server address : [::]:50051
Status : Running - certificate expired
Cert notBefore : Jan 10 07:07:03 2024 GMT
Cert notAfter : Jan 11 07:07:03 2024 GMT
Max concurrent calls : 8
Listen calls : 1
Active calls : 0
Number of created calls : 1
Number of bad calls : 0
Subscription stream/once/poll : 0/0/0
Max gNMI::Get concurrent : 5
Max grpc message size : 8388608
gNMI Synchronous calls : 0
gNMI Synchronous errors : 0
gNMI Adapter errors : 0
gNMI Dtx errors : 0
GRPC Summary
switch# show grpc gnmi rpc summary
=============
gRPC Endpoint
=============
Vrf : management
Server address : [::]:50051
Status : Running - certificate expired
Cert notBefore : Jan 10 07:07:03 2024 GMT
Cert notAfter : Jan 11 07:07:03 2024 GMT
Capability rpcs : 20474
Capability errors : 0
Get rpcs : 22
Get errors : 0
Set rpcs : 0
Set errors : 0
Resource Exhausted : 0
Option Unsupported : 0
Invalid Argument : 0
Operation Aborted : 0
Internal Error : 0
Unknown Error : 0
RPC Type State Last Activity Cnt Req Cnt Resp Client
--------------- ---------- -------------- ---------- ---------- ----------------------------------------
Subscribe Listen 01/29 08:42:41 0 0
=============
gRPC Endpoint
=============
Vrf : default
Server address : [::]:50051
Status : Running - certificate expired
Cert notBefore : Jan 10 07:07:03 2024 GMT
Cert notAfter : Jan 11 07:07:03 2024 GMT
Capability rpcs : 0
Capability errors : 0
Get rpcs : 0
Get errors : 0
Set rpcs : 0
Set errors : 0
Resource Exhausted : 0
Option Unsupported : 0
Invalid Argument : 0
Operation Aborted : 0
Internal Error : 0
Unknown Error : 0
RPC Type State Last Activity Cnt Req Cnt Resp Client
--------------- ---------- -------------- ---------- ---------- ----------------------------------------
Subscribe Listen 01/10 08:12:32 0 0
switch#
switch# show grpc gnmi transactions
=============
gRPC Endpoint
=============
Vrf : management
Server address : [::]:50051
Status : Running - certificate expired
Cert notBefore : Jan 10 07:07:03 2024 GMT
Cert notAfter : Jan 11 07:07:03 2024 GMT
RPC DataType Session Time In Duration(ms) Status
------------ ---------- --------------- -------------------- ------------ ------
Capabilities - 0 01/29 12:04:07 0 0
Capabilities - 0 01/29 12:03:47 0 0
Capabilities - 0 01/29 12:03:35 0 0
Get ALL 3698131864 01/29 08:43:34 1186 0
...
...
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Supported Telemetry
switch# show telemetry yang direct-path cisco-nxos-device
1) Cisco-NX-OS-device:System/lldp-items
2) Cisco-NX-OS-device:System/mac-items
3) Cisco-NX-OS-device:System/intf-items
4) Cisco-NX-OS-device:System/procsys-items
5) Cisco-NX-OS-device:System/ipqos-items/queuing-items/policy-items/out-items
6) Cisco-NX-OS-device:System/ch-items