Aruba R9G23A User guide

AOS-CX 10.12 SNMP/MIB

Guide

All AOS-CX Series Switches

Published: August 2023

Edition: 2

|2

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Contents

Contents 3

About this document 5

Applicable products 5

Latest version available online 5

Command syntax notation conventions 5

About the examples 6

Identifying switch ports and interfaces 7

Identifying modular switch components 8

SNMP 9

SNMP write: PoE write capabilities 9

SNMP write: VLAN write capabilities 9

SNMP write: Configurations 10

SNMP MIB view 12

Configuring SNMP MIBview 12

SNMP MIB view limitations 13

SNMP traps 13

Configuring SNMP 14

SNMP commands 17

event-trap-enable 17

lldp trap enable 17

mac-notify traps 20

rmon alarm 21

rmon alarm {enable | disable} {index | all} 22

show configuration-changes trap 23

show mac-notify 24

show mac-notify port 24

show rmon alarm 25

show snmp agent-port 27

show snmp community 27

show snmp system 28

show snmp trap 29

show snmp views 29

show snmp vrf 31

show snmpv3 context 31

show snmpv3 engine-id 32

show snmpv3 security-level 33

show snmpv3 users 33

snmp-server agent-port 34

snmp-server community 35

snmp-server community view 37

snmp-server historical-counters-monitor 38

snmp-server host 39

snmp-server response-source 41

snmp-server snmpv3-only 42

snmp-server system-contact 42

snmp-server system-description 43

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 3

Contents |4

snmp-server system-location 44

snmp-server trap 45

snmp-server trap aaa-server-reachability-status 46

snmp-server trap configuration-changes 47

snmp-server trap mac-notify 48

snmp-server trap module 48

snmp-server trap port-security 49

snmp-server trap snmp 50

snmp-server trap-source interface vrf 51

snmp-server trap vsx 52

snmp-server view 53

snmp-server vrf 54

snmpv3 context 55

snmpv3 engine-id 56

snmpv3 security-level 57

snmpv3 user 58

snmpv3 user view 60

Entity MIB support 61

Location of the MIB files on the web 62

Updated MIBs and Traps for AOS-CX 10.12 62

NETWORKING OID 62

LLDP 62

Power Supply 62

System Information 63

OIDs that support SNMP read-write 63

OIDs that support SNMP read-create 64

Support and Other Resources 65

Accessing Aruba Support 65

Accessing Updates 66

Aruba Support Portal 66

My Networking 66

Warranty Information 66

Regulatory Information 66

Documentation Feedback 67

Chapter 1

About this document

This document describes features of the AOS-CX network operating system. It is intended for

administrators responsible for installing, configuring, and managing Aruba switches on a network.

Applicable products

This document applies to the following products:

nAruba 4100i Switch Series (JL817A, JL818A)

nAruba 6000 Switch Series (R8N85A, R8N86A, R8N87A, R8N88A, R8N89A, R9Y03A)

nAruba 6100 Switch Series (JL675A, JL676A, JL677A, JL678A, JL679A)

nAruba 6200 Switch Series (JL724A, JL725A, JL726A, JL727A, JL728A, R8Q67A, R8Q68A, R8Q69A, R8Q70A,

R8Q71A, R8V08A, R8V09A, R8V10A, R8V11A, R8V12A, R8Q72A)

nAruba 6300 Switch Series (JL658A, JL659A, JL660A, JL661A, JL662A, JL663A, JL664A, JL665A, JL666A,

JL667A, JL668A, JL762A, R8S89A, R8S90A, R8S91A, R8S92A)

nAruba 6400 Switch Series (R0X31A, R0X38B, R0X38C, R0X39B, R0X39C, R0X40B, R0X40C, R0X41A,

R0X41C, R0X42A, R0X42C, R0X43A, R0X43C, R0X44A, R0X44C, R0X45A, R0X45C, R0X26A, R0X27A,

JL741A)

nAruba 8100 Switch Series (R9W94A, R9W95A, R9W96A, R9W97A)

nAruba 8320 Switch Series (JL479A, JL579A, JL581A)

nAruba 8325 Switch Series (JL624A, JL625A, JL626A, JL627A)

nAruba 8360 Switch Series (JL700A, JL701A, JL702A, JL703A, JL706A, JL707A, JL708A, JL709A, JL710A,

JL711A, JL700C, JL701C, JL702C, JL703C, JL706C, JL707C, JL708C, JL709C, JL710C, JL711C, JL704C, JL705C,

JL719C, JL718C, JL717C, JL720C, JL722C, JL721C )

nAruba 8400 Switch Series (JL366A, JL363A, JL687A)

nAruba 9300 Switch Series (R9A29A, R9A30A, R8Z96A)

nAruba 10000 Switch Series (R8P13A, R8P14A)

Latest version available online

Updates to this document can occur after initial publication. For the latest versions of product

documentation, see the links provided in Support and Other Resources.

Command syntax notation conventions

Convention Usage

example-text Identifies commands and their options and operands, code examples,

filenames, pathnames, and output displayed in a command window. Items

that appear like the example text in the previous column are to be entered

exactly as shown and are required unless enclosed in brackets ([ ]).

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 5

About this document |6

Convention Usage

example-text In code and screen examples, indicates text entered by a user.

Any of the following:

n<example-text>

nexample-text

Identifies a placeholder—such as a parameter or a variable—that you must

substitute with an actual value in a command or in code:

nFor output formats where italic text cannot be displayed, variables

are enclosed in angle brackets (< >). Substitute the text—including

the enclosing angle brackets—with an actual value.

nFor output formats where italic text can be displayed, variables

might or might not be enclosed in angle brackets. Substitute the

text including the enclosing angle brackets, if any, with an actual

value.

|Vertical bar. A logical OR that separates multiple items from which you can

choose only one.

Any spaces that are on either side of the vertical bar are included for

readability and are not a required part of the command syntax.

{ } Braces. Indicates that at least one of the enclosed items is required.

[ ] Brackets. Indicates that the enclosed item or items are optional.

…or

...

Ellipsis:

nIn code and screen examples, a vertical or horizontal ellipsis indicates an

omission of information.

nIn syntax using brackets and braces, an ellipsis indicates items that can be

repeated. When an item followed by ellipses is enclosed in brackets, zero

or more items can be specified.

About the examples

Examples in this document are representative and might not match your particular switch or

environment.

The slot and port numbers in this document are for illustration only and might be unavailable on your

switch.

Understanding the CLI prompts

When illustrating the prompts in the command line interface (CLI), this document uses the generic term

switch, instead of the host name of the switch. For example:

switch>

The CLI prompt indicates the current command context. For example:

switch>

Indicates the operator command context.

switch#

Indicates the manager command context.

switch(CONTEXT-NAME)#

Indicates the configuration context for a feature. For example:

switch(config-if)#

Identifies the interface context.

Variable information in CLI prompts

In certain configuration contexts, the prompt may include variable information. For example, when in

the VLAN configuration context, a VLAN number appears in the prompt:

switch(config-vlan-100)#

When referring to this context, this document uses the syntax:

switch(config-vlan-<VLAN-ID>)#

Where <VLAN-ID> is a variable representing the VLAN number.

Identifying switch ports and interfaces

Physical ports on the switch and their corresponding logical software interfaces are identified using the

format:

member/slot/port

On the 4100i Switch Series

nmember: Always 1. VSF is not supported on this switch.

nslot: Always 1. This is not a modular switch, so there are no slots.

nport: Physical number of a port on the switch.

For example, the logical interface 1/1/4 in software is associated with physical port 4 on the switch.

On the 6000 and 6100 Switch Series

nmember: Always 1. VSF is not supported on this switch.

nslot: Always 1. This is not a modular switch, so there are no slots.

nport: Physical number of a port on the switch.

For example, the logical interface 1/1/4 in software is associated with physical port 4 on the switch.

On the 6200 Switch Series

nmember: Member number of the switch in a Virtual Switching Framework (VSF) stack. Range: 1 to 8.

The primary switch is always member 1. If the switch is not a member of a VSF stack, then member is

1.

nslot: Always 1. This is not a modular switch, so there are no slots.

nport: Physical number of a port on the switch.

For example, the logical interface 1/1/4 in software is associated with physical port 4 in slot 1 on

member 1.

On the 6300 Switch Series

nmember: Member number of the switch in a Virtual Switching Framework (VSF) stack. Range: 1 to 10.

The primary switch is always member 1. If the switch is not a member of a VSF stack, then member is

1.

nslot: Always 1. This is not a modular switch, so there are no slots.

nport: Physical number of a port on the switch.

For example, the logical interface 1/1/4 in software is associated with physical port 4 on member 1.

On the 6400 Switch Series

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 7

About this document |8

nmember: Always 1. VSF is not supported on this switch.

nslot: Specifies physical location of a module in the switch chassis.

oManagement modules are on the front of the switch in slots 1/1 and 1/2.

oLine modules are on the front of the switch starting in slot 1/3.

nport: Physical number of a port on a line module.

For example, the logical interface 1/3/4 in software is associated with physical port 4 in slot 3 on

member 1.

On the 83xx, 9300, and 10000 Switch Series

nmember: Always 1. VSF is not supported on this switch.

nslot: Always 1. This is not a modular switch, so there are no slots.

nport: Physical number of a port on the switch.

For example, the logical interface 1/1/4 in software is associated with physical port 4 on the switch.

If using breakout cables, the port designation changes to x:y, where x is the physical port and y is the lane when

split to 4 x 10G or 4 x 25G. For example, the logical interface 1/1/4:2 in software is associated with lane 2 on

physical port 4 in slot 1 on member 1.

On the 8400 Switch Series

nmember: Always 1. VSF is not supported on this switch.

nslot: Specifies physical location of a module in the switch chassis.

oManagement modules are on the front of the switch in slots 1/5 and 1/6.

oLine modules are on the front of the switch in slots 1/1 through 1/4, and 1/7 through 1/10.

nport: Physical number of a port on a line module

For example, the logical interface 1/1/4 in software is associated with physical port 4 in slot 1 on

member 1.

Identifying modular switch components

nPower supplies are on the front of the switch behind the bezel above the management modules.

Power supplies are labeled in software in the format: member/power supply:

omember: 1.

opower supply: 1 to 4.

nFans are on the rear of the switch and are labeled in software as: member/tray/fan:

omember: 1.

otray: 1 to 4.

ofan: 1 to 4.

nFabric modules are not labeled on the switch but are labeled in software in the format:

member/module:

omember: 1.

omember: 1 or 2.

nThe display module on the rear of the switch is not labeled with a member or slot number.

Chapter 2

SNMP

Simple Network Management Protocol (SNMP) is an Internet-standard protocol used for managing and

monitoring the devices connected to a network by collecting, organizing, and modifying information

about managed devices on IP networks.

SNMP write: PoE write capabilities

PoE enable

The PoE enable is requested through SNMP to enable the PoE interface. The admin_disable SNMP value

is updated to enable the PoE interface.

PoE disable

The PoE disable is requested through SNMP to disable the PoE interface. The admin_disable SNMP

value is updated to disable the PoE interface.

PoE cycle

The PoE cycle is a feature where you can request a PoE port reset with a timeout ranging from 1 to 60

seconds. The PoE cycle is requested through the SNMP server to disable and enable a PoE interface with

an input timeout of 1 to 60 seconds. The PoE handles the PoE disable and enable events when the SNMP

value is updated for admin_disable correspondingly. It is a one-time operation.

PoE priority

PoE priority handles the power priority to decide the number of ports to be powered up according to the

set priority. This SNMP request sets the PoE interface PoE priority to one of these three values:

ncritical

nhigh

nlow (The default priority is low)

SNMP write: VLAN write capabilities

VLAN Add or Delete

The index for the ieee8021QBridgeVlanStaticTable and dot1qVlanStaticTable is VLAN. To create or delete

a VLAN, either configure:

nieee8021QBridgeVlanStaticRowStatus Mib object in ieee8021QBridgeVlanStaticTable

or

ndot1QBridgeVlanStaticRowStatus Mib object in dot1qVlanStaticTable

Set the value to 4 to create a new VLAN, and set the value to 6 to delete an existing VLAN.

Add or Delete Tagged Port(s) to a VLAN

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 9

SNMP |10

The index for the ieee8021QBridgeVlanStaticTable and dot1qVlanStaticTable is VLAN. To set or clear

port(s) as tagged members for the VLAN, either configure:

nieee8021QBridgeVlanStaticEgressPorts Mib object in ieee8021QBridgeVlanStaticTable

or

ndot1QBridgeVlanStaticEgressPorts Mib object in dot1qVlanStaticTable

Changes to a bit in this object affect per-port and per-VLAN registrar control.

Add or Delete Untagged Port(s) to a VLAN

The index for the ieee8021QBridgeVlanStaticTable and dot1qVlanStaticTable is VLAN. To set or clear

port(s) as untagged members for the VLAN, either configure:

nieee8021QBridgeVlanStaticUntaggedPorts Mib object in ieee8021QBridgeVlanStaticTable

or

ndot1QBridgeVlanStaticEgressPorts Mib object in dot1qVlanStaticTable

Changes to a bit in this object affect the per-port, per-VLAN Registrar control.

Enable or Disable MVRP to Port

The index for the ieee8021QBridgePortVlanTable and dot1qPortVlanTable is port. To enable or disable

port level MVRP status, either configure:

nieee8021QBridgeMvrpEnabledStatus Mib object in ieee8021QBridgePortVlanTable

or

ndot1QBridgeMvrpEnabledStatus Mib object in dot1qPortVlanTable

The value true(1) indicates that MVRP is enabled on the device and false(2) indicates that MVRP is

disabled for all ports on the device.

Add untagged VLAN to a Port

The index for the ieee8021QBridgePortVlanTable and dot1qPortVlanTable is port. To set untagged vlan

for the port, either configure:

nieee8021QBridgePvid Mib object in ieee8021QBridgePortVlanTable

or

ndot1QBridgePvids Mib object in dot1qPortVlanTable

SNMP write: Configurations

Prerequisites

The switch must be configured for external access (such as management interface and IP addressing)

and SNMP enabled (such as SNMPv2 and SNMPv3).

switch(config)# interface mgmt

switch(config-if-mgmt)# no shutdown

switch(config-if-mgmt)# ip static 10.10.10.4/24

switch(config)# snmp-server vrf mgmt

switch(config)# no snmpv3 security-level auth-privacy

switch(config)# snmpv3 user test auth md5 auth-pass plaintext password priv aes

priv-pass plaintext password access-level rw

SNMP set examples

The following examples are executed from an external client communicating through SNMP to the

switch. They describes both command syntax and OID interpretations:

ncopy running-config startup-config

snmpset -v3 -t100 -u test -l authPriv -a md5 -A password -x aes -X password

10.10.10.4 1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 3

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 2

OID Description

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4 Create operation.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 3 Set source type to RunningConfig.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 2 Set destination type to StartupConfig.

ncopy startup-config running-config

snmpset -v3 -t100 -u test -l authPriv -a md5 -A password -x aes -X password

10.10.10.4 1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 2

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 3

OID Description

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4 Create operation.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 2 Set source type to StartupConfig.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 3 Set destination type to RunningConfig.

ncopy REMOTE-URL running-config

snmpset -v3 -t100 -u test -l authPriv -a md5 -A password -x aes -X password

10.10.10.4 1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 1

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 3

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.4.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.6.5 i 1

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.7.5 s "file"

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.9.5 s "10.10.10.1"

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.12.5 s "mgmt"

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.10.5 s "user"

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.11.5 s "password"

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SNMP |12

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.13.5 i 1

OID Description

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4 Create operation.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 1 Set source type to external file.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 3 Set destination type to RunningConfig.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.4.5 i 4 Set protocol to SFTP.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.6.5 i 1 Set file format to CLI.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.7.5 s "file" Set file name.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.9.5 s "10.10.10.1" Set IP from server.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.12.5 s "mgmt" Set VRF.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.10.5 s "user" Set username to authenticate, if applicable.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.11.5 s "password" Set password to authenticate, if applicable.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.13.5 i 1 Enable Notification on completion, if required.

ncopy running-config checkpoint ckpt1

snmpset -v3 -t100 -u test -l authPriv -a md5 -A password -x aes -X password

10.10.10.4 1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 3

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 4

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.5.5 s "ckp1"

OID Description

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.18.5 i 4 Create operation.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.2.5 i 3 Set source type to RunningConfig.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.3.5 i 4 Set destination type to Checkpoint.

1.3.6.1.4.1.47196.4.1.1.3.20.1.0.1.1.5.5 s "ckp1" Set checkpoint name to ckp1.

SNMP MIB view

SNMP MIB view is a group of view subtrees in the MIB hierarchy. A view subtree is identified by the

pairing of an Object Identifier (OID) subtree value with a bit string mask value. Each MIB view is defined

by the view subtrees that is included or excluded from the MIB view. You can use the MIB views to

control the OID range that SNMPv3 users or SNMP v1/v2 community can access.

Configuring SNMP MIBview

The following parameters are required to configure the SNMP MIB view:

nView name - Specifies the name of the SNMP MIB view. View names can support up to a maximum of

32 alphanumeric characters.

nType - Whether to include or exclude the view subtree or group of subtrees from the SNMP MIB view.

nOID - An OID string for the subtree to include or exclude from the SNMP MIB view.

For example, the system subtree is specified by the OID string .1.3.6.1.2.1.1.

nMask - It is an OID mask. The mask is 47 characters in length.

oThe format is xx:xx.... (:). Each OID mask is 16 octets in length.

oAn octet is two hexadecimal characters separated by : (colon). Only hexadecimal characters are

accepted in this field.

For example, OID mask FF:A0 is 11111111:10100000.

SNMP MIB view limitations

An snmpwalk with a community or v3 user attached to context takes precedence over SNMP MIB view. If

the context is attached to the user or community, the SNMP MIB view configured to the v3 user or

community will not take effect.

Example:

snmp view admin system ff included

snmp-server community admin view admin

snmpv3 context new vrf default community admin

snmpv3 user nw_user context new

snmpv3 user nw_user view admin

Aruba proprietary MIB names without :: (double colon) seperated root MIB names are not supported for

SNMP MIB view.

nThe following examples are supported for SNMP MIB view:

snmp-server view user_view .1.3.6.1.4.1.47196.4.1.1.3.11.6.1.1.4 FF included

snmp-server view admin_1 ARUBAWIRED-MODULE-MIB::arubaWiredModuleName FF included

nThe following example is not supported for SNMP MIB view:

snmp-server view new_view arubaWiredModuleName included

SNMP traps

Event log traps

When SNMP is configured, interface daemons event log messages for link-up and link-down events will

be sent as traps.

Event log trap OID: 1.3.6.1.4.1.47196.4.1.1.3.4.1.1

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 13

SNMP |14

Parameter OID Description

sysUpTimeInstance 1.3.6.1.2.1.1.3.0 Contains the uptime for the system in

centiseconds

snmpTrapOID 1.3.6.1.6.3.1.1.4.1 Contains the OID for the event log trap

eventIndex 1.3.6.1.2.1.16.9.1.1.1 Contains an index that uniquely identifies

an event

eventDescription 1.3.6.1.2.1.16.9.1.1.2 Contains the event log message

Link-up and link-down traps

Standard IF-MIB link-up and link-down traps will be sent on link-state change when an interface is

configured using trap link-status or when user_config:link_state_snmp_trap is set to true. The

trap sends the current information for ifindex, admin status, operational status, and interface name.

Link up trap OID: 1.3.6.1.6.3.1.1.5.4

Link down trap OID: 1.3.6.1.6.3.1.1.5.3

Parameter OID Description

sysUpTimeInstance 1.3.6.1.2.1.1.3.0 Contains the uptime for the system in

centiseconds

snmpTrapOID 1.3.6.1.6.3.1.1.4.1 Contains the OID for the link up or

linkdown trap

ifIndex 1.3.6.1.2.1.2.2.1.1.X Contains the ifindex for the interface

ifAdminStatus 1.3.6.1.2.1.2.2.1.7.X Contains the admin status for the interface

ifOperStatus 1.3.6.1.2.1.2.2.1.8.X Contains the operational status for the

interface

ifDescr 1.3.6.1.2.1.2.2.1.2.X Contains the name for the interface

Configuring SNMP

SNMP agent provides read-write access for specific OIDs. Refer OIDs that support SNMP read-write for

the list of OIDs that supports read-write operations.

Best practices is to use a 5-second (-t5) timeout in a scaled environment, when the network traffic is high or

when there is significant load on the switch.

Procedure

1. SNMP is not enabled on the switch by default, unless the user enables it over any available VRF or

with the default/mgmt VRF using the command snmp-server vrf <NAME>. For example, use the

command snmp-server vrf mgmt to enable SNMP on the management interface. Use the

command snmp-server vrf default to enable SNMP on the default VRF. Use the command

snmp-server vrf <USERDEFINED_VRF_NAME> to enable SNMP on the user created VRF.

2. Set the system contact, location, and description for the switch with the following commands:

nsnmp-server system-contact

nsnmp-server system-location

nsnmp-server system-description

You can also set the system location and system contact values using SNMP.

3. If required, change the default SNMP port on which the agent listens for requests with the

command snmp-server agent-port.

4. By default, the agent uses the community string public to protect access through SNMPv1/v2c.

Set a new community string with the command snmp-server community.

5. Configure the trap receivers to which the SNMP agent will send trap notifications with the

command snmp-server host.

6. Create an SNMPv3 context and associate it with any available SNMPv3 user to perform context

specific v3 MIB polling using the command snmpv3 user <V3_USERNAME> context <CONTEXT_

NAME>.

7. Create an SNMPv3 context and associate it with an available SNMPv1/v2c community string to

perform context specific v1/v2c MIB polling using the command snmpv3 context <CONTEXT_

NAME> vrf <VRF_NAME> community <COMMUNITY_NAME>.

8. Review your SNMP configuration settings with the following commands:

nshow snmp agent-port

nshow snmp community

nshow snmp system

nshow snmpv3 context

nshow snmp trap

nshow snmp vrf

nshow snmpv3 users

nshow tech snmp

Example 1

This example creates the following configuration:

nEnables SNMP on the out-of-band management interface (VRF mgmt).

nSets the contact, location, and description for the switch to: JaniceM,Building2,LabSwitch.

nSets the community string to Lab8899X.

switch(config)# snmp-server vrf mgmt

switch(config)# snmp-server system-contact JaniceM

switch(config)# snmp-server system-location Building2

switch(config)# snmp-server system-description LabSwitch

switch(config)# snmp-server community Lab8899X

Example 2

This example creates the following configuration:

nCreates an SNMPv3 user named Admin using sha authentication with the plaintext password

mypassword and using des security with the plaintext password myprivpass.

nAssociates the SNMPv3 user Admin with a context named newContext.

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 15

SNMP |16

switch(config)# snmpv3 user Admin auth sha auth-pass plaintext mypassword priv des

priv-pass plaintext myprivpass

switch(config)# snmpv3 user Admin context newContext

Chapter 3

SNMP commands

event-trap-enable

no event-trap-enable

Description

Enables the notification of events to be sent as traps to the SNMP management stations. It is enabled by

default.

The no form of this command disables the event traps.

Examples

Enabling the event traps:

switch(config)# event-trap-enable

Disabling the event traps:

switch(config)# no event-trap-enable

Command History

Release Modification

10.07 or earlier --

Command Information

Platforms Command context Authority

All platforms config Administrators or local user group members with execution rights

for this command.

lldp trap enable

no lldp trap enable

Description

Enables sending SNMP traps for LLDP related events from a particular interface. LLDP trap generation is

enabled by default on all the interfaces and has to be disabled for interfaces on which traps are not

required to be generated.

The no form of this command disables the LLDP trap generation.

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 17

|18

LLDP trap generation is disabled by default at the global level and must be enabled before any LLDP traps are

sent.

Examples

Enabling LLDP trap generation on global level:

switch(config)# lldp trap enable

Enabling LLDP trap generation on interface level:

switch(config-if)# lldp trap enable

Disabling LLDP trap generation on global level:

switch(config)# no lldp trap enable

Disabling LLDP trap generation on interface level:

switch(config-if)# no lldp trap enable

Displaying LLDP global configuration:

switch# show lldp configuration

LLDP Global Configuration

=========================

LLDP Enabled : No

LLDP Transmit Interval : 30

LLDP Hold Time Multiplier : 4

LLDP Transmit Delay Interval : 2

LLDP Reinit Timer Interval : 2

LLDP Trap Enabled : No

TLVs Advertised

===============

Management Address

Port Description

Port VLAN-ID

System Description

System Name

LLDP Port Configuration

=======================

PORT TX-ENABLED RX-ENABLED INTF-TRAP-ENABLED

--------------------------------------------------------------------------

1/1/1 Yes Yes Yes

1/1/2 Yes Yes Yes

1/1/3 Yes Yes Yes

1/1/4 Yes Yes Yes

1/1/5 Yes Yes Yes

1/1/6 Yes Yes Yes

...........

mgmt Yes Yes Yes

Displaying LLDP Configuration for the interface:

switch# show lldp configuration 1/1/1

LLDP Global Configuration

=========================

LLDP Enabled : Yes

LLDP Transmit Interval : 30

LLDP Hold Time Multiplier : 4

LLDP Transmit Delay Interval : 2

LLDP Reinit Timer Interval : 2

LLDP Trap Enabled : No

LLDP Port Configuration

=======================

PORT TX-ENABLED RX-ENABLED INTF-TRAP-ENABLED

--------------------------------------------------------------------------

1/1/1 Yes Yes Yes

Displaying LLDP Configuration for the management interface:

switch# show lldp configuration mgmt

LLDP Global Configuration

=========================

LLDP Enabled : Yes

LLDP Transmit Interval : 30

LLDP Hold Time Multiplier : 4

LLDP Transmit Delay Interval : 2

LLDP Reinit Timer Interval : 2

LLDP Trap Enabled : Yes

LLDP Port Configuration

=======================

PORT TX-ENABLED RX-ENABLED INTF-TRAP-ENABLED

--------------------------------------------------------------------------

mgmt Yes Yes Yes

Command History

Release Modification

10.07 or earlier --

Command Information

AOS-CX 10.12 SNMP/MIB Guide | (All AOS-CX Series Switches) 19

|20

Platforms Command context Authority

All platforms config and config-if Administrators or local user group members with execution rights

for this command.

mac-notify traps

mac-notify traps {aged | learned | moved | removed}

no mac-notify traps {aged | learned | moved | removed}

Description

Configures a Layer 2 interface to generate SNMP trap notifications for up to four different types of

dynamic MAC address related events on the trunk or access in physical or lag interfaces.

The no form of this command removes the traps from the interface.

Parameter Description

aged Notifies when a MAC address aged out on the interface.

learned Notifies when a MAC address is learned on the interface.

moved Notifies when a MAC address moved from the interface.

removed Notifies when a MAC address is removed from the interface.

MAC notification trap addition to or removal from an interface can be in any combination, quantity, or order. The

addition of existing configured traps or removal of non-configured traps will be accepted and ignored.

The mac-notify feature must be enabled globally for any interface configurations to generate SNMP traps.

MAC notification cannot be configured on a Layer 3 (routing) interface. A Layer 2 interface that is changed to a

Layer 3 interface through the routing command will discard any existing MAC notification configurations.

In cases of MACs learned on port-access port-security enabled ports, the move scenario is handled by the

port-access feature through the deletion of the MAC from the old part and installation on the new port. In this

scenario, MAC trap notifications, if enabled, will reflect that by producing removed and learned notifications.

Usage

The following are the limitation for SNMP MAC notify traps:

nSNMP MAC change notification trap is not supported for VxLAN – Overlay hosts.

nMac notify trap will not generate for Static MACs.

nvsx-sync is not supported for this feature. Hence, you must enable the MAC notify traps explicitly on

secondary to ensure the traps are generated.

Examples

MAC notification types and the associated events only apply to Layer 2 interfaces, hence routing might need to

be disabled on the relevant interfaces.

Enabling the traps on an L2 interface:

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