Questions tagged [management]

For questions about network device management or network management in general. For instance how you configure and manage your network device or what you can do to secure it.

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33 views

Configuration of a Dell managed switch clashes with my network understanding

I got the opportunity to play around with a Dell managed switch from the 2000 series with OS10. I tried to configure a management IP adress 10.10.12.141 (/24) according to the manual but somehow ...
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2answers
48 views

What is the easiest way to regain access to the Sonicwall configuration management after I have locked myself out by deactivating https management

I am a newb and misconfigures my Sonicwall Soho 250; it has two Interfaces configured: Fritzbox without any management activated, and WAN, where only ping and https management was activated. I ...
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18 views

Rate limiting xFTP traffic originating from a Cisco IOS router

We have some routers on marginal cell links that we need to pull files from using TFTP or FTP. During file transfers connections to the router become so slow as to be unusable. Is there a way to rate-...
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1answer
1k views

what do em0, em1, em2 and em3 interfaces refer to on Juniper routers

Can someone explain what these interfaces are for? I know em0 is used as a management interface on the router to connect via ssh but why are the other two there? I have also noticed, sometimes they ...
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2answers
79 views

switch died after slow to rapid failure now DHCP will not function across network even with new switch

ok so i'm running out of ideas here. we have/had 3 managed switches in our server rack and one in a closet; one hp procurve 3500yl 48 port with poe for 2 APs and 2 catalyst 2960s in the bottom of the ...
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2answers
53 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 ...
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1answer
70 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 ...
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1answer
292 views

How to Reset AlliedTelesis GS950 Websmart hardware

The switch described above had a management IP address configured. Unfortunately, the IP address of the switch was lost and the management cannot be accessed anymore. Is there a hardware reset on this ...
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2answers
921 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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1answer
477 views

Restrict VTY SSH access to only MGMT VLAN and loopback

For the sake of the fact that i'm not allowed to share actual configuration, every posted config below is made up or altered. We have more than 250 locations spread over our country. All locations ...
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2answers
317 views

Mgmt Vlan vs other SVI s

Think of a layer 3 switch. Assume that we have a management vlan and a mgmt vlan interface. And we have other svi's on the switch. The question is this. I know that mgmt vlan is for telnet/ssh, simply ...
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53 views

Joining OOB for network and server equipment [closed]

Say I have some network equipment with management interfaces on a VLAN X. Now say I also have servers with double interfaces: one for production and one for management. Is it considered a good or bad ...
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1answer
879 views

Management Plane protection (MPP)

I'm new to networking. I was trying to understand What MPP is ? What kind of attacks is it preventing? How is it securing router from those attacks?
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1answer
632 views

Cannot ping or SSH into new Catalyst 2960-CX switch from the server VLAN (1)

I recently setup a Cisco Catalyst 2960-CX switch at work (I'm a SysAdmin at a SMB). Our workstations use VLAN 3, but our servers use VLAN 1. The management IP of the new switch (in VLAN 3) is 192.168....
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1answer
141 views

Pinging/ssh-ing into just trunk interface. How is it done? [closed]

I'm a junior network technician and I was tasked at work to do a switch upgrade. The most important part of this task is to set up SSH so we can at least get into the switch remotely configure once ...
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1answer
339 views

Nagios to monitor network in Cisco packet tracer

I would like to do a network management tool. I need to know how we can use Nagios XI to monitor the network devices that present in the Cisco packet tracer?? Thanks in advance
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1answer
44 views

How can different views onto same data model be defined in YANG?

RFC6020 contains the following statement "A NETCONF server may implement a number of modules, allowing multiple views of the same data" (my emphasis). I want to do exactly that, so that my NETCONF ...
4
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1answer
573 views

Architecture for management network in large data center?

I've read about data center network architectures - Fat-tree, Clos (or spine-leaf), DCell, BCube... None of these make any specific mention of the management network, which I expect would be out-of-...
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1answer
289 views

Does Network Device Management VLAN Need To be On An Access Port Or Can It Travel In A Trunk?

SO I am building a network of 6 switches. 1 primary switch would feed a trunk of 4 VLANs to 5 other switches directly (i.e. all coming from the primary switch). To keep the switches secure I want to ...
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3answers
1k views

Switches Can't Ping Each Other but PCs Can

I have an HP ProCurve 2910al running pretty much factory defaults on it at 192.168.1.50. There are 2 VLANS on it. Ports 1-12 are VLAN 1 (untagged) Ports 13-21 are VLAN 2 (Untagged) Port 22 is a ...
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3answers
977 views

Configure Out of Band management on MLNX-OS

I'm trying to setup Out Of Band management on a MLNX-OS based Mellanox switch It seems by default the mgmt0-1 interfaces are in the same VRF as all other interfaces, and I assume I have to create a ...
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1answer
74 views

Is there a point to have VLANs if each PC client can access them all?

At work we have a config where VLAN 1 is the main network and VLAN 2 is the phone system. The workstations connect automatically to VLAN 1 but can also access the control panels of each phone through ...
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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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2answers
1k views

Can a switch that does NOT support VLAN capability be considered a managed switch if it has other features?

So the question is in the title. If a switch does not support Virtual Local Area Network capabilities can it still be considered a managed switch? What other features should it have to be considered ...
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1answer
38 views

Regarding Console and management connectivity basics

When we talk of console connection, i understand the following: Someone has a physical access to the device(say, a router)and has inserted a cable into the console port of the router/switch.The other ...
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1answer
615 views

Configuration recovery on Extreme Networks Summit 200

I need to upgrade a small network I know nothing about. The only manageable switch in an Extreme Networks Summit 200, running ExtremeWare 7.3 (from 2005!). Of course, the default admin password has ...
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6answers
76k views

Difference between control plane, data plane and management plane?

I think I understand these concepts, but I'm a little rusty. Can someone give a concise, easy-to-understand explanation of these concepts? The planes are logical concepts, aren't they? Is this a Cisco ...
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1answer
35 views

Switch Configuration Security — Signed Configurations

Assume a scenario where a network technician in an organization may remotely access network devices for routine maintenance, but should only be able to set up network configurations (e.g. VLAN ...
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2answers
292 views

Why management interface is always vlan interface and not just physical interface?

In Cisco switches/routers or any other vendor, why the management interface is always a vlan IP interface and why not just fa 0/1 or fa 0/2 ip interface. What's the reason behind vlan ip interface for ...
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3answers
106 views

Value of Terminal Server in a Data Center

I am working with a customer with atleast 2 private data centers. They have no terminal servers providing console access to their networking gear (switches and routers and firewalls). They have ...
2
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1answer
220 views

Regarding NETCONF

I am trying for basic operations on IOS-XR (Cisco) using Netconf.This includes initially setting up a netconf connection as below: ssh [hostname] -p 830 -s netconf As soon as, the connection is ...
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1answer
1k views

Manage access point in a different subnet

I am trying to setup a separate private network for a rented office in our building. I think i have succeeded in setting up two private LAN networks using port based VLAN's (192.168.10.0/24 and 192....
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1answer
3k views

Serial to RJ45 connection to Brocade FWS 648S 48port Switch

this is going to sound really dumb, but I've forgotten how to connect and manage a switch if the console interface is serial and the other end is an RJ45. The switch I'm working on is a Brocade FWS ...
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1answer
33 views

vlan management without assigning an interface to the vlan

I am using VLAN 40 to manage switches, but you have to assign a port to a VLAN for it to come up, is there a way to do this without wasting a port on the switch?
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2answers
546 views

Switch bandwidth management

How is bandwidth managed in an unmanaged network switch? Suppose that port 1 is connected to a a very busy server. If suddenly machines connected to ports 2, 3 and 4 decide to send a massive amount ...
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2answers
488 views

Cisco 2960-X IP Address

I want to access my 2960-X on my "server-network". I have configured a network 10.0.0.0/24 (VLAN60) on the Router, which is connected to the switch over a trunkport. Also VLAN 40, 80, 90 is ...
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3answers
109 views

Can I run an application on a managed switch?

If a layer 2 managed switch supports management functions and entails a "management plan" it must require an OS. If it is a typical network operating system, *nix based, does is have a full file ...
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1answer
87 views

sniffing through my company's lan [closed]

I'm in charge of the network in my company and i have to check the visited websites.We have a edgeMAX router (firmware version 1.8) with DPI and enabling netflow exporting.DPI (as is it implemented in ...
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2answers
2k views

CISCO ASA5512-X no Console Output

Situation: We bought new ASA5512-X. It worked everything okay. I had access over SSH on the ManagementPort which was directly connected to my PC. Then I realised there is a configuration already on ...
2
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2answers
320 views

Accessing Meraki Device using CMX - MSE API

How do I access a Meraki Device? Similar to the way in this tutorial. Cisco DevNet: CMX Mobility Services - Tutorials - MSE API Introduction Here is snapshot of the Public IP of my Meraki device I ...
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1answer
5k views

Disable port Netgear GS728TP

I have some Netgear GS728TP smart switches with some CCTV camera that run over them. Occasionally these camera's freeze and require the network plug pulling on them to reset (They are PoE) Some of ...
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2answers
1k views

How to manage the Ethernet switch that is on WAN?

I never keep a managed switch outside the firewall. However, I have a situation where I have to do that. I am connecting two Sonicwall NSA220 in HA configuration. So I have to use a small Ethernet ...
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1answer
2k views

Dell PowerConnect 2848 MCLI Mode

I have the switch put in production already Dell Power Connect 2848. Now im trying to put some ip address and configurations. The problem is that when i connect it through the serial i have just the ...
2
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2answers
20k views

How do i factory reset a Allied Telesyn AT-9924t?

I have connected to the switch from my Win7 computer with the following equipment. (the blue cable isnt the exact one, but nearly the same) When i restart the switch while connected with Putty or ...
5
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4answers
7k views

DLink switch loses configuration on power off!

We just bought a DGS-1210-28P smart switch, it is my first experience with a business class switch, however I found a pretty weird behavior. The switch loses all of its configurations, even management ...
2
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2answers
486 views

Wrapping of high capacity (HC) counters

Am I correct that HC SNMP interface counters like ifHCInOctets/ifHCOutOctets or ifHCInUcastPkts/ifHCOutUcastPkts wrap after such a long period that applications using those counters do not need to ...
5
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1answer
14k views

How To Limit a VLAN to a Specific Bandwidth Quota

I have a Cisco Router 1900 series and I would like to limit the bandwidth used by a subnet/subinterface. This subnet/subinterface (192.168.10.*) uses most of the bandwidth making it useless for other ...
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5answers
758 views

What are the issues with having an unmanaged network? [closed]

I keep hearing that a network should be managed. What's an unmanaged network and what makes it risky?
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2answers
719 views

Best way to manage multiple Cisco Wireles Lan Controllers

What is the best way to manage multiple (~50) Cisco Wireless Lan Controllers (5508, 4402) from one application without having to loggin to each controller through the web browser? I know Cisco used to ...
5
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2answers
4k views

“transport input” for AUX port in Cisco routers

On physical layer AUX port works on asynchronous serial RS-232 protocol. However, one can specify various application layer protocols like telnet or SSH as allowed input protocols under AUX line ...