Installation Prerequisites
Things to be enabled on the switch for discovery - Enable NX-API - Configure a User with read-only permission to access NX-API
Steps to enable telemetry and NXAPI feature in Cisco switch
Login as admin and issue below commands
switch# configure terminal
switch(config)# feature nxapi
To enable telemetry
switch(config)# feature telemetry
Enter below command to validate whether telemetry is enabled or not
Switch# show feature | grep telemetry
hardware-telemetry 1 enabled
telemetry 1 enabled
Note : The port should be enabled & accessible to VW
User needs to enter below commands to make Switch Configurations changesUser needs to enter below commands to make Switch Configurations changes
Login as admin user
switch# configure terminal
switch(config)# telemetry
switch(config-telemetry)# destination-group 1
Add Appliance IP under Destination group using below command
switch(conf-tm-dest)# ip address 10.10.27.162 port 5997 protocol gRPC encoding GPB
switch(conf-tm-dest)# sensor-group 1
switch(conf-tm-sensor# data-source NX-API
User should have added below paths in telemetry config.
switch(conf-tm-sensor)# path "show cdp neighbors detail" depth 0
path "show environment" depth 0
path "show hardware" depth 0
path "show hostname" depth 0
path "show interface" depth 0
path "show interface switchport" depth 0
path "show inventory module" depth 0
path "show module" depth 0
path "show nve interface" depth 0
path "show nve vni" depth 0
path "show nve vrf" depth 0
path "show port-channel summary" depth 0
path "show sprom backplane" depth 0
path "show system resources" depth 0
path "show vdc detail" depth 0
path "show version" depth 0
path "show vlan" depth 0
path "show vlan counters" depth 0
switch(conf-tm-sensor)# subscription
switch(conf-tm-sub)# dst-grp 1
switch(conf-tm-dest)# snsr-grp 1 sample-interval 60000
Command to save the Telemetry config
switch(config)# copy running-config startup-config
Command to check the specified Telemetry config
switch(config)# show running-config telemetry
Configure Flow Table related paths reference document :