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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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Getting Arista drop counts via snmp

My group's R&D lab has an Arista 10G switch, DCS-7020SR-24C2. My admin (who is not a switch expert) enabled SNMP access. I want to see per-port drop counters. I tried this: snmpwalk -v 2c -c ...
Streve Ford's user avatar
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158 views

Zabbix with Fortimanager

I am seeking assistance with configuring Zabbix to monitor FortiGates that are managed by FortiManager. Despite configuring FortiManager with SNMP and adding a host for it in Zabbix, I am not seeing ...
Xoryy's user avatar
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What is the difference between these OIDs on a Aruba Wlan Controller?

For my bachelors thesis, I have to monitor the WLAN Access Points of the university campus. For example, number of connected Clients and how many Clients are connected to each Access Point. Therefore ...
Schmida's user avatar
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Is there a way to gather data of Optical Module Status and the CPU Utilization through SNMP protocol?

When using the snmpwalk command to query a Cisco SF302-08PP switch with the -c public community string, am not able to find data related to Optical Module Status and CPU Utilization. I am trying to ...
mema's user avatar
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1 vote
1 answer
521 views

Cisco port channel identification through SNMP

on a cisco switch is there any way to identify, through SNMP queries, which interfaces are involved and configured in a port channel? I did some experiment with commons MIB, without result. Any idea? ...
Gianluca's user avatar
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99 views

Can I get ip-sla's destination IP address via snmp?

(Excuse my lack of networking knowledge as I am mainly a developer) Is it possible to snmpalk to get a list of all ip-sla's destination ip address via snmp? ( Router: Cisco IOS XR Software (ASR9K), ...
pencilCake's user avatar
0 votes
2 answers
886 views

snmpwalk returns hex-string for interfaces without a description

nterfaces with an actual description are returned as a string, for example the interface with Device1ILO However the interfaces without a description configured, are returned as Hex-STRING 00. How can ...
Adam Nimour's user avatar
1 vote
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189 views

Can I check the security policies hit-count in juniper routers via SNMP?

Am trying to see if there is a way to get the output of "show security policies hit-count descending" via SNMP, it has the following o/p like so, show security policies hit-count descending ...
user3425403's user avatar
1 vote
1 answer
187 views

I upgraded a Cisco switch to a newer model with different SNMP OIDs. Can I have the new switch receive the old OID and report values from the new OID?

I upgraded from a Cisco SG300-10MP to a Cisco SG350-10MP. A piece of software is looking for the value from 1.3.6.1.2.2.1.8.50, but the OID on the new switch is 1.3.6.1.2.2.1.8.2. The final number ...
Jake Nixon's user avatar
2 votes
0 answers
672 views

Cisco Access Switches: Monitoring AAA server dead via SNMP?

This is a new setup of Cisco access switches (2960S, 2960X IOS with 15.2(2)E9, but mostly C1000 with IOS 15.2(7)E*), with a Cisco ISE 3.0 as authentication server for 802.1X, config style is to be ...
Marc 'netztier' Luethi's user avatar
1 vote
1 answer
252 views

Explanation about SNMPv3 USM

Context I am having trouble understanding the USM model in SNMPv3. I base my research and understanding on RFC 3414. My problem is that authentication is not enforced in some implementations of SNMP, ...
Manticore's user avatar
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4 votes
1 answer
372 views

what are the difficulties of configuring switches through SNMP?

I have a cisco switch that supports CLI, SNMP, and NETCONF for management issues. I should develop an application for managing the switch which should include monitoring and also configuring ...
hamed's user avatar
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1 answer
420 views

SNMPv2 to v3 conversion

Can I use a Cisco router to convert SNMPv2 from an end device in one network to SNMPv3 and the C&M software in another network? The end device can only handle SNMPv2, but the C&M community is ...
user10021657's user avatar
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53 views

snmp mib for monitoring service instance counters

in career ethernet switches like ME3600, we can configure EVC as defined in MEF. evc counters(service instance counters) are as follow: rx_green_frames; rx_green_bytes; rx_yellow_frames; ...
Elnaz 's user avatar
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1 answer
589 views

How can I monitor BFD flaps?

We need to monitor BFD flaps on our Cisco Nexus devices but the problem is that Zabbix do SNMP polling every 1 minute, and we can't detect, for example, 5 sec BFD flaps. We detect only if BFD down for ...
Vladimir Fomin's user avatar
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3k views

How can I obtain SNMP OID from Arista in right way?

What is right way for obtain Oid from Arista? I need obtain temperature from the switch. From this I find out that CPU sensor OID is .1.3.6.1.2.1.1.1.100006001: switch#show snmp mib walk .1 | grep &...
Vladimir Fomin's user avatar
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0 answers
226 views

h3c switch - get which trunk group that a port belongs to via SNMP

Switch: HP FF 12900 with JG857A, JG626A and JG623A modules I want to get which trunk group a port is belongs to via SNMP on my h3c core switch. Which MIB and OID can I use to get that data via SNMP? A ...
Markus Rexhepi-Lindberg's user avatar
0 votes
1 answer
159 views

snmpget for HP switch - ifType not found

I'm learning about fetching information via SNMP towards our HP switches. I'm trying to query a switch using the OID BRIDGE-MIB::dot1dTpFdbPort included with a known MAC address 50:65:f3:2e:c5:5c, as ...
Markus Rexhepi-Lindberg's user avatar
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1 answer
100 views

Why I am Getting %100+ Network Usage From SNMP? [closed]

I am using SNMP in Ubuntu 20.04 to get the network usage info and I am using this formula to calculate the network usage: InOctets : The difference between two poll cycles of collecting the snmp which ...
TarabydaVllasıCafcaflıAtArabsı's user avatar
1 vote
0 answers
79 views

Should snmpIfHCInUcastPkts include packets bigger than 1522 bytes? [closed]

Packets bigger than 1522 bytes (as counted by Spirent Test Center) are being forwarded (bridged) but not counted in the following hardware counters on an Open Network Linux device: ifHCInUcastPkts ...
Jeff Learman's user avatar
1 vote
2 answers
170 views

Prime Infrastructure IOS-XE device type recognition

Catalyst switches usually form a stack on boot up, even if they are not stacked. They just form a stack with themselves. So Prime Infrastructure reads out the model of the switch, that says it is a ...
Mario Jost's user avatar
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0 votes
1 answer
258 views

Community String vs password - what’s the rationale behind the term name? [closed]

I’m just starting my learning of networking. The term “community string” refers to a type of password, Especially when it comes to sending/receiving configuration settings to/from a snmp server, ...
nicotinefull's user avatar
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1 answer
48 views

Policy based network management - operation modes

Can someone explain to me what PBNM operation modes(i.e, initialization, provisioning and outsourcing) are? If not can anyone give me a reference to some textbook etc.Thank you very much in advance.
sliit_is_the_best's user avatar
2 votes
1 answer
371 views

SNMPv3 context on IOS-XE does not seem to work with Prime

We recently switched to SNMPV3 and experience the issue, that there is no client data available within prime anymore. So we quickly read about the SNMP context we need to add to our devices ...
Mario Jost's user avatar
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1 vote
3 answers
663 views

Why is in all arp table snmp oids an interface index before the ip number?

When I want to get arp information about a single ip number or subnet, I have to snmpwalk the whole arp table, as some oid architects had the "great" idea to always insert an interface index ...
Franz Muell's user avatar
0 votes
2 answers
2k views

How to monitor vlan using SNMP?

I am a newbie to building a monitor system using Prometheus and SNMP exporter, I have succeeded get metric from the physical interface, but I want to monitor VLAN on a trunk port, is that possible ? ...
Jimmy Nguyen's user avatar
2 votes
1 answer
267 views

Can IOS-XE handle multiple snmp-trap source?

we have multiple VRF on an ASR and the snmp traps should be sent on different VRFs. All VRF has a dedicated Loopback interface which should be used as snmp trap source. The snmp-server trap-source ...
human374's user avatar
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1 answer
309 views

Enable snmp read-only on Cumulus HW

What is the right way to add SNMP READ-only on a Cumulus switch and restrict access by multiple source IP addresses blocks?
Mike Pennington's user avatar
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37 views

can't find cbQosCMPostPolicyBitRate64 oid for cisco

i have use snmpwalk go get police Bit Rate Traffic policy-map(QOS) for my cisco ASR1006 but i need a 64bit barbecue my traffic is more of 5000Mbps so 32bit can't handle it . ~# snmpwalk -v2c -c aaa ...
Anas Programmer's user avatar
0 votes
0 answers
181 views

read traffic/bandwidth usage by protocol

I need to analyze the traffic of a Fortigate Firewall in my program. Currently, I can read the overall traffic using SNMP. The problem is that I need to analyze the type of traffic (HTTP, video ...
dan1st's user avatar
  • 101
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0 answers
59 views

uncorrected snmp Qos value from cisco

hello i have a router cisco 1006 and i create a policy-map with to class policy-map CheckBand-BandPerUsr class BandPerUsr police cir 10000000000 class class-default police cir 10000000000 ...
Anas Programmer's user avatar
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1 answer
41 views

"ospfNbrIpAddr" parameter in RFC 4750 page 53

in RFC 4750 page 53, there is a parameter called "ospfNbrIpAddr", I am not sure exactly what it means. Suppose I have two router, they are connected through physical ethernet port1, router A port1: ...
gx16's user avatar
  • 13
0 votes
2 answers
370 views

Multiple SNMP servers on single agent

I am trying to test a new SNMP server (Nagios Core) along side the current one (Check MK) which has already been running for quite some time now. Will this cause any problems on an agent device (Cisco ...
mangibr's user avatar
2 votes
1 answer
79 views

Cisco snmp-server single user for multiple snmp versions

Attempting to maintain SNMP v2c compatibility while implementing SNMP v3 on cisco switch 5506cx. Would a user that was previously used for v2c see issues with v2c if it is added to a v3 group? For ...
Bryan's user avatar
  • 25
1 vote
1 answer
263 views

Why got no response from xx.xx.xx.xx when adding @vlan to snmp command?

I want to retrieve host's mac addressed which connected to cisco switch. And I see a lot of people say that "snmpbulkwalk -v2c -cpublic@vlan hostname BRIDGE-MIB::dot1dTpFdbTable" can get the host's ...
user65135's user avatar
3 votes
1 answer
576 views

Why can't get host's mac address on l2 switch through snmp? But can get it on l3 router

I am trying to get computer's mac address through snmp. I have an envirmont in GNS3: l3 R1's image is vios-adventerprisek9-m.SPA.157-3.M3 l2 SW1's image is viosl2-adventerprisek9-m.SSA....
user65135's user avatar
2 votes
2 answers
3k views

IfInDiscards and IfOutDiscards counters

Could someone tell me what do ifinDiscards (.1.3.6.1.2.1.2.2.1.13) and ifOutDiscards (.1.3.6.1.2.1.2.2.1.14) exactly mean? Thanks.
guidev's user avatar
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0 votes
1 answer
209 views

Cisco 3750: SNMP

On my Cisco 3750G, i have SNMPV3 enabled, this is working perfectly with Zabbix. I would like to separate production flows from supervision flows, Do you know if it's possible to enable SNMP ...
Max's user avatar
  • 1
1 vote
1 answer
310 views

Unable to see packet drops on tunnels

I have the following topology set on AWS where there are 4 CSR 1000v Routers deployed and Segment Routing enabled in which the Segment Routing Headend is R1 and the destination is R3. I aim to send ...
Khalil Mebarkia's user avatar
0 votes
1 answer
516 views

How to filter the physical port of the switch through snmp?

I tried using snmp to get ifdescr, I think the interface name containing Ethernet might be a physical port, but I am not sure. In addition, the interface in dot3StatsIndex is also like a physical ...
trgbishi's user avatar
1 vote
1 answer
135 views

Why I cannot see packet loss on GRE over capacity tunnels?

I have the following topology set on AWS where there are 4 CSR 1000v Routers deployed and Segment Routing enabled in which the Segment Routing Headend is R1 and the destination is R3. I aim to send ...
Khalil Mebarkia's user avatar
0 votes
1 answer
2k views

Why using Telnet with SNMP? [closed]

Recently I got a question asking what is the reason to use SNMP in combination with telnet since using 2 protocols is not a good practice. I did a research on the topic but could not find reasonable ...
Vanina Yordanova's user avatar
2 votes
1 answer
141 views

Dell N-Series SNMP, resolve mac adress from interface list

I can easily pull the interface list status, by doing a OID walk. This is how I can tell whether a port is online or offline. To physically resolve the location I then walk. (1.3.6.1.2.1.2.2.1.2) ...
Merl's user avatar
  • 21
1 vote
1 answer
296 views

Is it possible to differentiate cisco ports on monitoring system via snmp?

I am managing some cisco switches in my monitoring software (zabbix), and it provides useful insights that I would like to monitor: Warning on link up / down Warning when ports are on half duplex ...
aseques's user avatar
  • 117
-2 votes
2 answers
85 views

snmp server and/or switch, help [closed]

i own and have configured a c2950-24 L2 switch. upon starting it up it asked if i wanted to configure snmp. i followed threw some steps but i have no clue how to actually use snmp. my switch logs when ...
Pie Pie's user avatar
1 vote
1 answer
378 views

Understanding Throughput of interfaces problem on Cisco Routers

I have the following topology set on AWS where there are 4 CSR 1000v Routers deployed and Segment Routing enabled in which the Segment Routing Headend is R1 and the destination is R3. I aim to send ...
Khalil Mebarkia's user avatar
2 votes
1 answer
1k views

Collect UDP packets lost during iPerf test

I'm testing my network infrastructure where I'm using iPerf and UDP protocol. I'm using the following: On the server side: ubuntu@ip-172-0-1-11:~$ iperf -s -u and the client side: ubuntu@ip-172-2-...
Khalil Mebarkia's user avatar
1 vote
1 answer
155 views

SNMP object not in the MIB

i'm working on an SNMP app that needs the ptopo MIB object with the object ID of 1.3.6.1.2.1.79 after enabling SNMP v3 on 2 layer 3 switches dell z9100-on brocade slx 9140 and creating a view on ...
Mheni's user avatar
  • 113
0 votes
0 answers
290 views

Unable to get NetFlow flow in Cisco CSR1000v on AWS

I'm trying to use NetFlow Traffic Analyzer of SolarWinds or any NetFlow Monitor in my Cisco CSR1000v routers which are deployed on AWS. I am unable to see any NetFlow flows in the NetFlow Traffic ...
Khalil Mebarkia's user avatar
1 vote
0 answers
101 views

The SNMP do not up the 161 port

I have a HUAWEI S5720 Switch(manage IP: 10.10.11.118), and I opened the snmp service of it: the configuration is: # ...
244boy's user avatar
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