1) Set up MAC Notification traps directly on the Cisco device through the device CLI. 2) Remove the linkUp and linkDown traps. 3) Test the set up. Setting Traps on the Cisco Switch 1) Log into the Cisco switch. 2) Enter 'enable' mode. 3) Run the following global commands: configure terminal mac-address-table notification snmp-server enable. I work at a company where we use WhatsUp Gold v16 to monitor devices and network status and now I need to monitor MAC OS X devices memory usage in real time through this tool. I need to enable SNMP on my MAC OS X Device. But how can I enable it on an iMAC that the Operating System is MAC OS X Yosemite 10.10?
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The MAC Address Count feature provides a way to notify the switch management system when the number of MAC addresses learned on a switch port exceeds the permitted configurable number.
To enable the mac-count-notify option, enter this command in global config context.
Syntax
Sends a trap when the number of MAC addresses learned on the specified ports exceeds the configured
<learned-count>
value.To configure the mac-count-notify option on a port or ports, enter this command. When the configured number of MAC addresses is exceeded (the learned-count), a trap is sent.
Syntax
[no]
mac-count-notify traps <PORT-LIST> [<learned-count>]
Hangaroo 2.Memory cleaner 1 3 1 – ram cleaner degreaser. Configures
mac-count-notify traps
on the specified ports (or all) for the entire switch.The
[no]
form of the command disables mac-count-notify traps
.[<learned-count>]
: The number of MAC addresses learned before sending a trap. Values range between 1-128.Default: 32
Example configuring mac-count notify traps on ports 5–7
When enabled, this feature allows the generation of SNMP traps for each MAC address table change. Notifications can be generated for each device that connects to a port and for devices that are connected through another device (daisy-chained.)
The
snmp-server enable traps mac-notify
command globally enables the generation of SNMP trap notifications upon MAC address table changes.Syntax
[no]
snmp-server enable traps mac-notify [mac-move | trap-interval <0- 120>]
Globally enables or disables generation of SNMP trap notifications.
trap-interval | The time interval (in seconds) that trap notifications are sent. A value of zero disables the interval and traps are sent as events occur. If the switch is busy, notifications can be sent prior to the configured interval. Notifications may be dropped in extreme instances and a system warning is logged.The range is 0-120 seconds. Default: 30 seconds. |
mac-move | Configures the switch to capture data for MAC addresses that are moved from one port to another port. The snmp-server enable traps mac-notify command must have been enabled in order for this information to be sent as an SNMP notification. |
Example of trap-interval option
Example of mac-move option
Configuring the mac-notify option at the interface context level
You can also execute the
mac-notify traps
command from the interface context.Example of the interface context for MAC-notify traps command
Use the following command to configure SNMP traps for learned or removed MAC addresses on a per-port basis.
NOTE: The switch will capture learned or removed events on the selected ports, but will not send an SNMP trap unless mac-notify has been enabled with the snmp-server enable traps mac-notify command. |
Syntax
[no]
mac-notify traps <PORT-LIST>[learned | removed]
Gitahead 1 2 – the easiest way to use git.When this command is executed without the learned or removed option, it enables or disables the capture of both learned and removed MAC address table changes for the selected ports in
<PORT-LIST>
.<PORT-LIST> | Configures MAC address table changes capture on the specified ports. Use all to capture changes for all ports on the switch. |
learned | Enables the capture of learned MAC address table changes on the selected ports. |
removed | Enables the capture of removed MAC address table changes table on the selected ports. |
Example of configuring traps on a per-port basis for learned MAC addresses
Example of configuring traps on a port-bases for removed MAC addresses
Use the show mac-count-notify traps [<PORT-LIST>] command to display information about the configured value for sending a trap, the current count, and if a trap has been sent.
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Example of information displayed for show mac-count-notify traps
command
The interface context can be used to configure the value for sending a trap.
Example of configuring mac-count-notify traps from the interface context
![Snmp Trap Tool For Mac Os X Snmp Trap Tool For Mac Os X](https://www.cisco.com/c/dam/en/us/support/docs/switches/nexus-7000-series-switches/211527-SNMP-Trap-to-monitor-EIGRP-Adjacency-cha-01.png)
The
show snmp-server traps
command displays whether the MAC Address Count feature is enabled or disabled.Snmp Trap Version
Example of information about SNMP traps, including MAC address count being Enabled/Disabled
Use the
show mac-notify traps
command to display information about SNMP trap configuration for MAC Address Table changes.Syntax
![Tool Tool](https://www.dnsstuff.com/wp-content/uploads/2019/11/observium-811x1024.jpg)
Example of information for SNMP trap configuration
Displays SNMP trap information for all ports, or each port in the
<PORT-LIST>
.The configured
mac-notify
commands are displayed in the show running-configuration
output.Example of running config file with mac-notify parameters configured
Snmp Trap Tool For Mac Os X Download
What I am attempting to do is to activate SNMP on my Mac OS X.4 clients in our organization. I have a Windows audit application that uses SNMP. I need to get this SNMP to work on my Mac's.
I am unable to get SNMP to work on my Mac OS X.4 client. I edited the /etc/hostconfig file with the line SNMPSERVER=-YES-.
I have logged on as root and used the perl script - snmpconf -g basic_setup. Went through the questions and answered them. Then I restarted.
I then took a look at var/log/snmpd.log but there are 8 errors. This is what it said:
nlist err: neither icmpstat nor _icmpstat found.
/usr/share/snmp/snmpd.conf: line 21: Error: Blank line following rouser token.
/usr/share/snmp/snmpd.conf: line 26: Error: Blank line following rocommunity token.
/usr/share/snmp/snmpd.conf: line 31: Error: Blank line following rwcommunity token.
/usr/share/snmp/snmpd.conf: line 55: Error: Blank line following proc token.
/usr/share/snmp/snmpd.conf: line 70: Error: Blank line following disk token.
/usr/share/snmp/snmpd.conf: line 91: Error: Blank line following syslocation token.
/usr/share/snmp/snmpd.conf: line 102: Error: Blank line following syscontact token.
/usr/share/snmp/snmpd.conf: line 124: Error: Blank line following trapcommunity token.
net-snmp: 8 error(s) in config file(s)
/usr/share/snmp/snmpd.conf: line 21: Error: Blank line following rouser token.
/usr/share/snmp/snmpd.conf: line 26: Error: Blank line following rocommunity token.
/usr/share/snmp/snmpd.conf: line 31: Error: Blank line following rwcommunity token.
/usr/share/snmp/snmpd.conf: line 55: Error: Blank line following proc token.
/usr/share/snmp/snmpd.conf: line 70: Error: Blank line following disk token.
/usr/share/snmp/snmpd.conf: line 91: Error: Blank line following syslocation token.
/usr/share/snmp/snmpd.conf: line 102: Error: Blank line following syscontact token.
/usr/share/snmp/snmpd.conf: line 124: Error: Blank line following trapcommunity token.
net-snmp: 8 error(s) in config file(s)
Error opening specified endpoint 'udp:161'
Server Exiting with code 1
Then I went back and took a look at the snmpd.conf file and this is what is said:
###########################################################################
#
# snmpd.conf
#
# - created by the snmpconf configuration program
#
###########################################################################
# SECTION: Access Control Setup
#
# This section defines who is allowed to talk to your running
# snmp agent.
# rwuser: a SNMPv3 read-write user
# arguments: user [noauth|auth|priv] [restriction_oid]
rwuser solson auth
rwuser root auth public
# rouser: a SNMPv3 read-only user
# arguments: user [noauth|auth|priv] [restriction_oid]
rouser
rouser solson auth public
# rocommunity: a SNMPv1/SNMPv2c read-only access community name
# arguments: community [default|hostname|network/bits] [oid]
rocommunity
rocommunity public
# rwcommunity: a SNMPv1/SNMPv2c read-write access community name
# arguments: community [default|hostname|network/bits] [oid]
rwcommunity
rwcommunity public public
###########################################################################
# SECTION: Monitor Various Aspects of the Running Host
#
# The following check up on various aspects of a host.
# proc: Check for processes that should be running.
# proc NAME [MAX=0] [MIN=0]
#
# NAME: the name of the process to check for. It must match
# exactly (ie, http will not find httpd processes).
# MAX: the maximum number allowed to be running. Defaults to 0.
# MIN: the minimum number to be running. Defaults to 0.
#
# The results are reported in the prTable section of the UCD-SNMP-MIB tree
# Special Case: When the min and max numbers are both 0, it assumes
# you want a max of infinity and a min of 1.
proc
# disk: Check for disk space usage of a partition.
# The agent can check the amount of available disk space, and make
# sure it is above a set limit.
#
# disk PATH [MIN=100000]
#
# PATH: mount path to the disk in question.
# MIN: Disks with space below this value will have the Mib's errorFlag set.
# Can be a raw byte value or a percentage followed by the %
# symbol. Default value = 100000.
#
# The results are reported in the dskTable section of the UCD-SNMP-MIB tree
disk
###########################################################################
# SECTION: System Information Setup
#
# This section defines some of the information reported in
# the 'system' mib group in the mibII tree.
# syslocation: The [typically physical] location of the system.
# Note that setting this value here means that when trying to
# perform an snmp SET operation to the sysLocation.0 variable will make
# the agent return the 'notWritable' error code. IE, including
# this token in the snmpd.conf file will disable write access to
# the variable.
# arguments: location_string
syslocation
syslocation server_room
syslocation IT_Room
# syscontact: The contact information for the administrator
# Note that setting this value here means that when trying to
# perform an snmp SET operation to the sysContact.0 variable will make
# the agent return the 'notWritable' error code. IE, including
# this token in the snmpd.conf file will disable write access to
# the variable.
# arguments: contact_string
syscontact
syscontact solson
# sysservices: The proper value for the sysServices object.
# arguments: sysservices_number
sysservices 8
sysservices 0
###########################################################################
# SECTION: Trap Destinations
#
# Here we define who the agent will send traps to.
# informsink: A SNMPv2c inform (acknowledged trap) receiver
# arguments: host [community] [portnum]
informsink A001869
# trapcommunity: Default trap sink community to use
# arguments: community-string
trapcommunity
# authtrapenable: Should we send traps when authentication failures occur
# arguments: 1 | 2 (1 = yes, 2 = no)
authtrapenable 1
Comparing this snmpd.conf file to EXAMPLE.conf just doesn't look right. Looks like a lot of things missing.
I downloaded net-snmp-5.2.4.pre1 but upon opening it I don't have clue as how to install this.
Steve
I am unable to get SNMP to work on my Mac OS X.4 client. I edited the /etc/hostconfig file with the line SNMPSERVER=-YES-.
I have logged on as root and used the perl script - snmpconf -g basic_setup. Went through the questions and answered them. Then I restarted.
I then took a look at var/log/snmpd.log but there are 8 errors. This is what it said:
nlist err: neither icmpstat nor _icmpstat found.
/usr/share/snmp/snmpd.conf: line 21: Error: Blank line following rouser token.
/usr/share/snmp/snmpd.conf: line 26: Error: Blank line following rocommunity token.
/usr/share/snmp/snmpd.conf: line 31: Error: Blank line following rwcommunity token.
/usr/share/snmp/snmpd.conf: line 55: Error: Blank line following proc token.
/usr/share/snmp/snmpd.conf: line 70: Error: Blank line following disk token.
/usr/share/snmp/snmpd.conf: line 91: Error: Blank line following syslocation token.
/usr/share/snmp/snmpd.conf: line 102: Error: Blank line following syscontact token.
/usr/share/snmp/snmpd.conf: line 124: Error: Blank line following trapcommunity token.
net-snmp: 8 error(s) in config file(s)
/usr/share/snmp/snmpd.conf: line 21: Error: Blank line following rouser token.
/usr/share/snmp/snmpd.conf: line 26: Error: Blank line following rocommunity token.
/usr/share/snmp/snmpd.conf: line 31: Error: Blank line following rwcommunity token.
/usr/share/snmp/snmpd.conf: line 55: Error: Blank line following proc token.
/usr/share/snmp/snmpd.conf: line 70: Error: Blank line following disk token.
/usr/share/snmp/snmpd.conf: line 91: Error: Blank line following syslocation token.
/usr/share/snmp/snmpd.conf: line 102: Error: Blank line following syscontact token.
/usr/share/snmp/snmpd.conf: line 124: Error: Blank line following trapcommunity token.
net-snmp: 8 error(s) in config file(s)
Error opening specified endpoint 'udp:161'
Server Exiting with code 1
Then I went back and took a look at the snmpd.conf file and this is what is said:
###########################################################################
#
# snmpd.conf
#
# - created by the snmpconf configuration program
#
###########################################################################
# SECTION: Access Control Setup
#
# This section defines who is allowed to talk to your running
# snmp agent.
# rwuser: a SNMPv3 read-write user
# arguments: user [noauth|auth|priv] [restriction_oid]
rwuser solson auth
rwuser root auth public
# rouser: a SNMPv3 read-only user
# arguments: user [noauth|auth|priv] [restriction_oid]
rouser
rouser solson auth public
# rocommunity: a SNMPv1/SNMPv2c read-only access community name
# arguments: community [default|hostname|network/bits] [oid]
rocommunity
rocommunity public
# rwcommunity: a SNMPv1/SNMPv2c read-write access community name
# arguments: community [default|hostname|network/bits] [oid]
rwcommunity
rwcommunity public public
###########################################################################
# SECTION: Monitor Various Aspects of the Running Host
#
# The following check up on various aspects of a host.
# proc: Check for processes that should be running.
# proc NAME [MAX=0] [MIN=0]
#
# NAME: the name of the process to check for. It must match
# exactly (ie, http will not find httpd processes).
# MAX: the maximum number allowed to be running. Defaults to 0.
# MIN: the minimum number to be running. Defaults to 0.
#
# The results are reported in the prTable section of the UCD-SNMP-MIB tree
# Special Case: When the min and max numbers are both 0, it assumes
# you want a max of infinity and a min of 1.
proc
# disk: Check for disk space usage of a partition.
# The agent can check the amount of available disk space, and make
# sure it is above a set limit.
#
# disk PATH [MIN=100000]
#
# PATH: mount path to the disk in question.
# MIN: Disks with space below this value will have the Mib's errorFlag set.
# Can be a raw byte value or a percentage followed by the %
# symbol. Default value = 100000.
#
# The results are reported in the dskTable section of the UCD-SNMP-MIB tree
disk
###########################################################################
# SECTION: System Information Setup
#
# This section defines some of the information reported in
# the 'system' mib group in the mibII tree.
# syslocation: The [typically physical] location of the system.
# Note that setting this value here means that when trying to
# perform an snmp SET operation to the sysLocation.0 variable will make
# the agent return the 'notWritable' error code. IE, including
# this token in the snmpd.conf file will disable write access to
# the variable.
# arguments: location_string
syslocation
syslocation server_room
syslocation IT_Room
# syscontact: The contact information for the administrator
# Note that setting this value here means that when trying to
# perform an snmp SET operation to the sysContact.0 variable will make
# the agent return the 'notWritable' error code. IE, including
# this token in the snmpd.conf file will disable write access to
# the variable.
# arguments: contact_string
syscontact
syscontact solson
# sysservices: The proper value for the sysServices object.
# arguments: sysservices_number
sysservices 8
sysservices 0
###########################################################################
# SECTION: Trap Destinations
#
# Here we define who the agent will send traps to.
# informsink: A SNMPv2c inform (acknowledged trap) receiver
# arguments: host [community] [portnum]
informsink A001869
# trapcommunity: Default trap sink community to use
# arguments: community-string
trapcommunity
# authtrapenable: Should we send traps when authentication failures occur
# arguments: 1 | 2 (1 = yes, 2 = no)
authtrapenable 1
Comparing this snmpd.conf file to EXAMPLE.conf just doesn't look right. Looks like a lot of things missing.
I downloaded net-snmp-5.2.4.pre1 but upon opening it I don't have clue as how to install this.
Steve