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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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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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30 views

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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1answer
180 views

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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1answer
40 views

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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1answer
140 views

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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118 views

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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PRTG reading a Incorrect data traffic for service instance(EVC)

i have cisco ASR 903 With ios xe 3.18s i have enable SNMP on my router when i add sensor ( TRAFFIC MONITOR ) on PRTG FOR physical Interface like ten 0/0/1 The sensor is reading a correct data and ...
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39 views

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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1answer
44 views

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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HP Comware VRF aware SNMP pulling

Is there any way to pull routing information from a specific VRF(VPN-instance) of HP Comware using tools like snmpwalk?
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1answer
92 views

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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76 views

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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76 views

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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1k views

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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1answer
41 views

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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348 views

How to monitor Rogue MAC address on a LAN

I was given the task to set up some monitoring for any Rogue MAC Addresses that appear on the network so that we will get alerted on it and investigate. I have not bought any monitoring tools yet. I ...
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1answer
109 views

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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281 views

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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1answer
2k views

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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1answer
1k views

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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250 views

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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1answer
678 views

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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407 views

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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1answer
627 views

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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1k views

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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1answer
1k views

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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1answer
1k views

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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1answer
55 views

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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1answer
262 views

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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3answers
2k views

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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1answer
457 views

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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2answers
5k views

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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2answers
656 views

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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1answer
512 views

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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212 views

retrieve information with snmpset snmpget

Goal :: Get the running config via snmpv3, or send commands within a file that displays the running config. I now that i can send requests like below snmpset 1.2.3.4 -v 3 -n "" -u SecRectUserName -...
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1answer
586 views

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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2answers
792 views

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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43 views

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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1answer
126 views

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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1answer
128 views

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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1answer
279 views

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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0answers
1k views

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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1answer
229 views

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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186 views

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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1answer
2k views

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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1answer
320 views

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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1answer
817 views

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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1answer
544 views

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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2answers
4k views

No Response SNMP

I am trying to monitor network devices in our company using SCOM. So far the devices are not responding to SNMP request. These devices support SNMP. Firewall is not an issue since the monitoring ...