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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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MPLS monitoring [on hold]

the question is that there is a network using Cisco, HPE, Mikrotik devices with MPLS L3VPN backbone (OSPF, LDP, MBGP). I can not understand how to monitor LSP paths, as well as client VPNs (to ...
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take oid of interface on router via snmpwalk for monitoring

Could someone explain how to get oid value of an interface via an snmpwalk ? I have some value like : iso.3.6.1.2.1.2.2.1.2.15729260 = STRING: "vlan 110" Thanks in advance for help
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45 views

Cisco IOS Version changes for SNMPv3 server-group context

I'm trying to understand switch mapping using SNMPv3. It's come to my attention that the group(user) who is authenticating needs access to thecontext for mapping out VLANs. I've figures out this can ...
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In a reboot/Shutdown event, would SNMP trap be sent before the event occurrence or after that?

When a device is getting ready to shut down or reboot, Would the SNMP agent send the trap notification to the destination host before the shutdown/reboot event, or after that? What's the general rule ...
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73 views

Palo Alto monitor bandwidth usage using SNMP

I'm trying to monitor bandwidth usage on my Palo Alto firewall using SNMP. However only the ifInOctets & ifOutOctets counters of VLAN interfaces are updated. The counters for real interfaces are ...
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764 views

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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31 views

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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66 views

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 ...
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1answer
55 views

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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39 views

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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35 views

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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1answer
36 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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260 views

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
310 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
44 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
207 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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158 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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55 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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1answer
99 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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108 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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81 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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1answer
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
42 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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1answer
153 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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335 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
3k 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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271 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
770 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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428 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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697 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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3answers
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
2k 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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2k 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
56 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
288 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
604 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
746 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
561 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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1answer
648 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
867 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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1answer
45 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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127 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
133 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
304 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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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
241 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 ...