Modifying the SNMP Engine ID

Netvisor OS allows you to modify the SNMP Engine ID and retrieve previous SNMP agent information for a switch no longer in use. If you have to remove a switch from the network, you can modify the SNMP Engine ID to use the old SNMP Engine ID so Netvisor can query and maintain the same history records for the new switch.

snmp-engineid-modify

engineid string

Specify the 28 character unique ID for the SNMP engine.

snmp-engineid-modify engineid 0x80001f8880077f7820da49395a00000000

Warning: All SNMP users will be erased.

 

Please confirm y/n (Default: n):y

Modified snmp engineID, Deleted all SNMP users.Please re-create SNMP users.

 

Supported MIBs

Netvisor customized MIBs:

Additional commands that support SNMPv1, SNMPv2, and SNMPv3:

SNMP Traps (MIBs) for Link Congestion

SNMP MIBs send traps when a link is congested and when a node state in the fabric changes are now supported by Netvisor OS.

Link congestion can be detected when there are ingress or egress packets are dropped due to link congestion. Netvisor OS logs this information into the system logs and you can enable Netvisor OS to send “Link Congestion detected” SNMP traps.

When a fabric node is detected as dead or keepalives are detected, the previous state of the node is checked and determined if the previous state was online or offline. Traps are then sent out as “Node status changed.”

To enable the traps, use the snmp-trap-enable-modify command:

CLI (network-admin@Spine1)snmp-trap-enable-modify

   one or more of the following options:

link-up-down|no-link-up-down

Specify if you want to enable a link up|down trap.

default-monitors|no-default-monitors

Specify if you want to enable a default monitoring trap.

physical-sensors|no-physical-sensors

Specify if you want to enable a physical sensor trap.

low-disk-space|no-low-disk-space
low-disk-space-threshold-string

Specify if you want to enable a low disk space trap.

system-usage|no-system-usage

Specify if you want to enable a system usage trap.

high-system-usage-threshold high-system-usage-threshold-string

Specify if you want to enable a low disk space trap.

login-failure|no-login-failure

Specify if you want to enable login failure trap.

lacp-status|no-lacp-status

Specify if you want to enable a LACP trap.

vport-modified|no-vport-modified 

Specify if you want a enable a trap when a vPort is modified.

mirror-to-cpu|no-mirror-to-cpu

Specify if you want a mirror to CPU trap.

stp-port-state-failed|
no-stp-port-state-failed

Specify if you want to enable a trap when the STP port state is failed.

link-congestion-detected|
no-link-congestion-detected

Specify if you want to enable a trap when a link congestion state is detected.

fabric-node-state-changed|no-fabric-node-state-changed

Specify if you want a trap send when a fabric node state changes.

   

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