Questions tagged [snmp]
Simple Network Management Protocol (SNMP) is used for managing devices on IP networks. It is most often used to query statistics for network equipment.
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What exact does MIB represent in SNMP? How is it different from OID?
In SNMP, we represent each entity of information using object and to identify each object uniquely, we use OID (Object Identifier).
Now there is another terminology - MIB. I know it stands for "...
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What's the difference between dot1dTpFdbPort and dot1qTpFdbPort, and what are the octets before the last 6 (
So ... I kinda struggle to understand the difference between
dot1dTpFdbPort
Either the value '0', or the port number of the port on
which a frame having a source address equal to the value
of the ...
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How to: Setting up SNMP on various Cisco platforms & Can you recover or configure a switch using SNMP?
How do you setup SNMP on different Cisco switches or routers?
Is it possible to limit the IP addresses/subnets, that can access the SNMP communities via access lists?
How do you recover or configure ...
user36472
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Network Bandwidth Utilization with SNMP
I have configured the bandwidth Utilization with the below formula, data i am getting after snmpwalk.
Utilization = ( ifinOctect * 8 * 100 ) /( ifspeed * delta_time )
now i want to know if what is ...
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Juniper EX4300 / MAC limiting SNMP trap
I have the following device and configuration:
Model: ex4300-32f
Junos: 17.3R3-S3.3
show configuration groups
GLOBAL-SNMP {
snmp {
client-list MANAGERS {
10.8.9.0/28;
}
community TEST-COMMUNITY ...
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SNMPv3 traps on Catalyst 9500
with our new Catalyst 9500 switches we want to use snmpv3 to send traps.
Thats what I configured:
snmp-server engineID local 1234567890ABCEDF
snmp-server group SG_SERVERFARM v3 priv
snmp-server trap-...
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Abstract service primitive
In SNMP RFC documents, often the concept of abstract service primitive (ASP) is used. What is ASP in fact ? I think it is also used in ISO OSI.
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Is there a test/example/dummy SNMP trap OID?
I want to send a test trap from a router, just to make sure SNMP is set up correctly, the server is receiving traps, etc. I could use some innocuous or irrelevant trap, but is there a specific trap ...
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How to recognize port type of cisco switch via SNMP?
I would like to filter just copper ports with snmp walks from a Cisco 2960 L2 switch.
I already searched the Cisco SNMP Mibs but I did not found anything if the port is a copper or SFP port.
ifType (...
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SNMP traps for RF systems: where to start?
I've been given the task of taking various status bits from an embedded RF device and asked to turn them into SNMP Traps. I have the SNMP library but I lack the knowledge on where to get or create the ...
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How to get per-process memory use from Cisco switches via SNMP
I'm trying to get per-process memory use from Cisco switches via SNMP.
I've found an article suggesting you can subtract CISCO-PROCESS-MIB.cpmProcExtMemAllocatedRev and CISCO-PROCESS-MIB....
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SNMPv3 Failed authentification warnings (traps)
Is't someshow possible to enable SNMPv3 failed/wrong authentification events to be sent to some logging server or just the log message to be triggered on device itself ?
I talking about IOSXR/IOS/IOS-...
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SNMP returns strange "bits sent/received" values on a particular port, why?
I have a HP V1910 Switch in my office. I have set up monitoring via SNMP on my local Zabbix server, and everything looks really good on almost all ports (for example, when I use iperf to test ...
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LAN side 1Gb link showing WAN 4Mbps throughput in SNMP
I am a-bit confused here.
I have a FW connected to L2 switch then to an ISP router.
My ISP link has a 4Mb capped on the egress.
[My FW] <-1Gb link-> [p0 L2 Switch p1] <-1Gb link-> [ISP ...
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Can I get what filters are applied to an interface via SNMP?
I have some firewall filters on juniper devices- ex3300s make up the majority of them. I've been looking for an oid that will let me associate an IFL with the filters that are on it, and I've yet to ...
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Cisco Switch triggers config trap on reboot
We have a cisco switch in our network that is configured to send config change traps on a specific host. But when the device reboots due to some physical issue, the device triggers the config traps. ...
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How to get Adtran TA5000 23 firmware information with an SNMP request?
I'm looking for any SNMP request that I could use through a Linux terminal to get the firmware information of all our ADTRAN DSLAMs that we currently have in the field(there are close to 18,000).
I ...
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Cisco iOS SNMP OID for Vlan on Port
I am working on setting up SNMP monitoring for our internal switched network in Zabbix.
I have everything working now, but the template I am using discovers all ports on the switch, and I really only ...
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In an agentless SNMP device, at what level does the SNMP agent run? In the Hardware? In the Operating system? Or somewhere else?
I know that there are devices that now support agentless SNMP configuration. However I believe that the SNMP agent application has to run somewhere. It has to be some code running somewhere stored on ...
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SNMP Get routes on Checkpoint returns integer value for IPADDRESS field
I'm trying to execute SNMP-Get request on Checkpoint to get IP address of a route with OID .1.3.6.1.4.1.2620.1.6.51.1.2. Here we can see that syntax of this field is SYNTAX IpAddress. However, when I ...
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Search for IP addresses in SNMP data field using Wireshark
TLDR: How can I find IP addresses that is communicated via SNMP in the data =>variable-bindings field ?
I am using wireshark to view my pcap and I use the snmp filter. But I would like to go ...
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net-snmp Creating my own MIB: No Such Instance currently exists at this OID [closed]
First thing first. I want to create my own MIB.
Please pardon me if I'm asking a simple question as I'm a newbie to SNMP and I'm struggling on this from couple of weeks. I have already been through ...
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Access list with SNMP v3 Cisco
I was wondering if someone could help me with something. I am trying to set up SNMP v3 but with access control. Now, I have made the user and group. That's all fine, but I can't seem to get the access ...
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How to send a snmpget request to a remote router? [closed]
I need to get the IP routing table from a remote router which is not situated on my network, got this from http://www.sharontools.com/online-lab/device/?q=cisco-r2 i have enabled snmp and created snmp ...
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How to copy Running Config from a switch using SNMP commands on Cisco ASR1002?
I trying to copy a running config from a cisco switch using the snmp commands on a Cisco ASR1002.
On the Cisco ASR I enabled snmp-server manager by using this command:
conf t
snmp-server ...
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SNMP agent on embedded device, No such object available on this agent at this OID
SNMP agent on an embedded device. When I query SNMP device for the particular private enterprise OID object, it says "No such object available on this agent at this OID".
snmpget -v2c -c public 10.x....
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snmpv3 authentication with sha and md5
I am facing this issue in my snmpv3 deployment. In some of catalyst cisco switches I am using snmpv3 with authpriv as sha and aes256. The porblem is that when I run an snmpwalk for v3 credentials it ...
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Monitor Vyatta router VPN through SNMP
I would like to monitor/manage VPN /Tunnel for Vyatta router 5600 through SNMP . Can't find mib or specific OID for the Vyatta router 5600. ?
Please answer with Mib or SNMP OID .
Thanks in advance
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SNMP OID to detect network equipment vendor
Is there a SNMP OID to detect network equipment vendor name? For Cisco and Juniper equipment I have used sysDescr.0(.1.3.6.1.2.1.1.1.0), which among other data includes the vendor name. However, this ...
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Differences between SNMP on NX-OS and IOS
When I configure SNMP on IOS I use this syntax:
snmp-server group [group] v3 priv
snmp-server user [user] [group] v3 auth sha [blah] priv aes 128 [blah] access [ACL]
ip access-list standard [ACL]
...
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Is it possible to send syslog and SNMP traps to two different addresses concurrently?
I am migrating our NMS and I need to assign a new different IP address to the server I am migrating to. One concern I have is that I want to make sure that all nodes I am monitoring are set up to send ...
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SNMP protocol MIBs & OIDs
I am trying to understand SNMP protocol. I have clear understanding how SNMP works on network level.
We can send UDP request to device, but on this device snmpd should listen for incoming requests.
...
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return physical port speed of Cisco switch over SNMP
If I set a bandwidth parameter to Cisco Catalyst family switch port like this:
s1#sh run int Fa0/4 | i band
bandwidth 15000
s1#
..then ifHighSpeed no longer returns the physical port speed, but ...
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Looking to confirm correct OID to poll for Nexus power module operational status and the meaning of results
The OID I am polling at the moment is cefcModuleOperStatus 1.3.6.1.4.1.9.9.117.1.2.1.1.2. When I poll a Nexus 7k switch I am getting a result: 2,2. I am guessing this means OK and OK. The thing is I ...
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Edge port continuously switching between Port-offline and blocked by STP
I have a computer1 connected to ip phone which is connected to an HP J9625A switch like this:
switch <-> ip_phone <-> computer1
l have been continuously receiving snmp traps close to 10000 ...
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Extract QoS Buffer Drops via SNMP
I am in the process of rolling out solarwinds for visibility of QoS performance using netflow and CBQOS to show QoS class usage. One thing I am unsure of is what type of monitoring is available on L2 ...
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SNMP on Juniper SRX Chassis Cluster does not show node1
I am trying to monitor an SRX (345) chassis cluster, via SNMP. The JUNOS documentation suggests that doing snmpwalk over jnxContentsDescr on the primary node should return details about all nodes. In ...
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Cisco CPU utilization threshold violation traps
I enabled SNMP and Traps on a cisco router and I used snmp-server enable traps cpu threshold command in configuration mode.
I configured LinkUp-Down Traps with snmp-server enable traps snmp linkup ...
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how can i monitor traffic on particular port in 3650 L3 switch?
I have cisco WS-C3650-48TS SW version 03.03.05SE as L3, i need to monitor the traffic on a trunk port?
How much bandwidth its consuming?
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Cisco Show Privilege via SNMP
How to get Cisco privilege level via SNMP?
R1#show privilege
Current privilege level is 15
Which MIB or OID?
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snmp - definition of a MIB
In SNMP, is the management information base (MIB):
A tree of information handled by an agent.
A set of objects definitions stored in a file
If the correct answer is the second one, how do you call ...
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What network topology should I use to monitor traffic?
A client I am working with has a 48-port switch with various wired devices connected to it throughout the building they are in. I am trying to determine what method I should use to monitor network ...
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SNMP configuration on dell S5000 switch
I am setting up some monitoring tools for my works network and there are two core switches that I need to be monitoring all the time. I have snmp configured on the switch but when I try to add it as ...
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how centreon monitor switch traffic
I have a program about to monitor the traffic of our company's switches.And we choose the centreon to make a solution.But there have less reference about the centreon program.And I only find blow link ...
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Cisco MIB Locator
Cisco has a MIB Locator which gives you a list of supported MIBs for a specific Cisco IOS Release. I have a MIB and need information on wich IOS version this MIB is supported. Does Cisco provide a ...
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Cisco IOS code copy from tftp or scp server to device using snmp
I would like to push IOS code to Cisco devices via snmp to bulk devices.
I have linux box as ftp server with ftp, scp protocol enabled.
it would help me a lot, please tell me the procedure.
Thanks ...
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How to receive snmp v3 traps without specific enginedID?
I'm using snmptrapd on linux from net-snmp package. I'm trying to make some perl script to handle snmp traps. I'm already have such script and it works with snmp v1, v2c traps and with snmpv3 traps ...
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Where to find MIBS for HP Series Router A-MSR20-20
I currently have an HP MSR20-20 router and am trying to make heads and tails of the snmpbulkwalk output. The majority of it is what i'd expect such as
ifIndex.1 = INTEGER:1
ifDescr.1 = STRING: ...
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Juniper EX4200 How to read SNMP traffic counters for specific VLAN id from trunk interface?
I have multiple q-in-q S-VLANs assigned to the trunk port ge-0/0/0.
How can I read SNMP traffic counters for a specific VLAN id (S-VLAN) on that trunk port?
Hardware is Juniper EX4200-24F.
For ...
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Does snmp have a standard MIB for crc errors or is it HW dependent?
I am looking for a common MIB that supports checking of crc errors, does this depend on hardware vendor and a custom MIB like CISCO?
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