Disabling Link Notifications On An Interface; Enabling One-Time Authentication For Snmp Over Tcp - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

Disabling Link Notifications on an Interface

• IEFT extended—Cisco NX-OS sends only the IETF-defined notifications (linkUp, linkDown defined
• IEFT Cisco—Cisco NX-OS sends the notifications (linkUp, linkDown) defined in IF-MIB and
• IEFT extended Cisco—Cisco NX-OS sends the notifications (linkUp, linkDown) defined in IF-MIB
Procedure
Step 1
Step 2
Disabling Link Notifications on an Interface
You can disable linkUp and linkDown notifications on an individual interface. You can use this limit
notifications on flapping interface (an interface that transitions between up and down repeatedly).
Procedure
Step 1
Step 2
Step 3

Enabling One-Time Authentication for SNMP over TCP

You can enable a one-time authentication for SNMP over a TCP session.
Command
switch(config)# snmp-server tcp-session [auth]
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
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in IF-MIB), if ifLinkUpDownTrapEnable (defined in IF-MIB) is enabled for that interface. Cisco NX-OS
adds additional varbinds specific to Cisco Systems in addition to the varbinds defined in the IF-MIB.
This is the default setting.
notifications (cieLinkUp, cieLinkDown) defined in CISCO-IF-EXTENSION-MIB.my , if
ifLinkUpDownTrapEnable (defined in IF-MIB) is enabled for that interface. Cisco NX-OS sends only
the varbinds defined in the linkUp and linkDown notifications.
and notifications (cieLinkUp, cieLinkDown) defined in CISCO-IF-EXTENSION-MIB.my, if
ifLinkUpDownTrapEnable (defined in IF-MIB) is enabled for that interface. Cisco NX-OS adds additional
varbinds specific to Cisco Systems in addition to the varbinds defined in the IF-MIB for the linkUp and
linkDown notifications.
Command or Action
switch# configure terminal
switch(config)# snmp-server enable traps link
[cisco] [ietf | ietf-extended]
Command or Action
switch# configure terminal
switch(config)# interface type slot/port
switch(config -if)# no snmp trap
link-status
Purpose
Enters configuration mode.
Enables the link SNMP notifications.
Purpose
Enters configuration mode.
Specifies the interface to be changed.
Disables SNMP link-state traps for the
interface. Enabled by default.
Purpose
Enables a one-time authentication for SNMP over a
TCP session. Default is disabled.
Configuring SNMP
OL-16597-01