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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37
votes
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 ...
20
votes
10answers
5k views

Easily deploying new VLANs in a large environment

How do people handle the need to add VLANs to all switches on their network (or even a subset of devices)? We are adding around 6 new VLANs per week at the moment and as the network grows this is ...
12
votes
1answer
6k views

Translating SNMPWALK output into human-readable format

I am asking this question which is related to a question I previously asked and was comprehensively answered by @MikePennington. When I asked that question, I intended to know how to poll arp table ...
11
votes
11answers
4k views

Locate a host on Network

What is the best method of locating a particular workstation on a VLAN ? I sometimes need to do this, if a workstation IP address, shows up on an ACL Deny torrent use High bandwidth usage (Top ...
10
votes
6answers
12k views

Which Python modules are you using for network management and automation? [closed]

I was wondering if anyone has some favorite modules for doing things like SNMP, CLI screen scraping, netconf, etc...
10
votes
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 ...
10
votes
2answers
897 views

Transaction based CLI on Ethernet Switches

I am familiar with CLI on managed Ethernet switches. However, recently I came across a term 'transaction based CLI' on switches. I am not exactly sure what is that and purpose of having it in switches....
9
votes
3answers
8k views

Cisco Router config alternatives to Cisco SDM (i.e. no Java required)

We have an old Cisco 850 Series router hanging around here and happen to have a need for it temporarily until we get our new Palo-Alto into place. Now, after I reset it and try to pull up the ...
8
votes
2answers
6k views

Is there an SNMP MIB for Cisco Track Objects

My goal is to write a service check that pulls the status of a Cisco track list that is performing a Boolean OR. I have a screen scraper in place currently, but that is really not ideal in terms of ...
7
votes
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 "...
7
votes
1answer
11k views

Is there a better way to design a Out-of-Band Management Network?

I've been asked to assist in the design of a "OOB" management network, but I have a limited number of resources available. I have the following: 1 Cisco 3750-X stack pair w/ a C3KX-NM-1G network ...
7
votes
1answer
231 views

Sarbanes Oxley for Network Engineers / Architects

Our organization has recently restructured IT and has separated network engineers into new roles such as architect, implementation engineer, and operational support engineer. There are concerns ...
7
votes
1answer
1k views

Is there a good way to standardize on an RS232 over RJ45 pinout that is used for connecting to network device console ports?

These best practices espouse having a dedicated physical console connection to network equipment for management. Assuming your device is within RS232 range of your management workstation, this would ...
6
votes
6answers
3k views

Solution for network inventory?

I am trying to figure out a way to keep track of network equipment, including chassis and service modules/line cards. So when I need to find something, I know where I can find it. 1) telnet access ...
6
votes
2answers
309 views

Sending Cisco NCS/Prime Infrastructure reports without encapsulating them in a zip

Is it possible to configure Cisco NCS/Prime Infrastructure to send reports via email without encapsulating them in a zip?
6
votes
1answer
3k views

What is the difference between ipNetToMediaPhysAddress and dot1qTpFdbPort?

I see the object description of ipNetToMediaPhysAddress from ipNetToMediaTable as the "The media-dependent `physical' address". Putting it simple, does it mean it returns the MAC addresses of all the ...
6
votes
1answer
428 views

Do we have an SNMP MIB for URIB

As we know that URIB (Unicast RIB) holds various route entries that have been added by routing protocols running on the box (like BGP, EIGRP, etc). Typically, "show ip route" woudl display all entries ...
5
votes
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 ...
5
votes
2answers
4k views

Management VLAN Configuration

how u doing? Just got a Cisco SF300-24 for studying switch configuration and I'm in doubt about the Management VLAN. In my conf, I made this VLANs: Vlan Name Ports ...
5
votes
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 ...
5
votes
1answer
2k views

SNMP IF-MIB stats export interval in Cisco IOS

I'm developing a SNMP Monitor for my company. I've done it before, and that is why I'm not sure why I have the behavior, and because I'm not a network engineer, I'm not a 100% sure where to go and ...
5
votes
1answer
2k views

Measurement of Traffic Parameters using SNMP

First, do 'Octets' in ifInOctets and ifOutOctets actually refer to packets? Can someone explain in detail? Also, if I want to measure the traffic flowing between certain set of nodes, how do I ...
5
votes
1answer
5k views

Catalyst4500 Sup7E “mgmtVrf” vs “Mgmt-vrf”

Background I recently upgraded a pair of Catalyst4500s from Sup6E to Sup7E. Before the upgrade, I pre-loaded IOS-XE 3.4.1SG on the Sup7Es, and loaded the migration configurations into bootflash: on ...
5
votes
1answer
2k views

Running XML agent on IOS XR

I'm trying to configure the dedicated XML agent on IOS XR 4.2.3 (ASR9K) . The API guide says to do the xml agent aaa authorization exec default local which I did, and I can connect to the router ...
5
votes
2answers
7k views

SSH to Access Switch Management Console from other VLANs

The infrastructure I currently work on has 3 switches: One 3560X which is acting as a core switch and as a VTP Server with below characteristics: no aaa new-model system mtu routing 1500 ip routing ...
5
votes
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 ...
4
votes
2answers
1k views

Brocade 'management-vrf' feature

Say you have used the management-vrf <vrf-name> configuration command on your Brocade device and setup a loopback in that VRF with a IP address from your management network for that remote site. ...
4
votes
3answers
3k views

Static IP's vs DHCP from management standpoint

I was recently graced with a new job opportunity in a large higher ed NE department. This is my first job working with a large network of several thousand users. Throughout my education, I followed ...
4
votes
1answer
985 views

NX-OS: Importing already mirrored config into a switch-profile

I'm running NX-OS version 5.2(1)N1(5) on a pair of Nexus 5020s that are mirrors of each other for all intents and purposes. After OS upgrades some of the configuration that was inside the switch-...
4
votes
3answers
276 views

Router neighbour config discovery

I am new to the whole networking world and I apologize if this is a re-post of a question. What I want to know is that is there a mechanism for routers to discover its environment. NOT what a ...
4
votes
2answers
38k views

What do I need to do in order to enable remote HTTPS management of a SonicWall NSA3500

I am trying to make a few changes on a firewall by connecting remotely to a desktop at work. I need to do a change that I think may reset and change the LAN interface.... I am worried about being ...
4
votes
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-...
4
votes
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 ...
4
votes
0answers
5k views

Change IP address in Cisco Prime infrastructure

Is it possible to change the Cisco Prime Infrastructure platform's IP address after PI has been installed ? This reference in the docs seems to indicate that you can. ncs/admin(config)# interface ...
3
votes
2answers
3k views

When is TFTP used? [closed]

It seems like a strange idea to transfer files using a connectionless protocol - so in what situation would you not care about if the entire file is delivered or not? I read somewhere that TFTP is ...
3
votes
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 ...
3
votes
2answers
441 views

Trunking MGMT Vlan Cisco x Dell

@edit: SOLVED!!! - See my answer below! how's going? Scenario: Trunk two Switches (Dell 6224 and Cisco SF300) for accessing them from the MGMT VLAN. Cisco ge2 -------TRUNK-------> Dell 1/g22 ...
3
votes
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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
3answers
748 views

What is IP address management ? Why its needed ? How does the vendors like Bluecat Networks and Infoblox solves the IPAM problem? [closed]

Recently I heard a term IPAM i.e IP Address management. Theoretically I got the definition from Wikipedia, but couldn't understand its actual need. Since for that we have DHCP then What is the need ...
2
votes
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 ...
2
votes
1answer
947 views

HP Procurve 5412zl Management unresponsive via IP when cpu high

I've got at least one problem of consistently high CPU on an HP 5412. It works fine while the management interface is unavailable, but i'm unable to login to SSH or the web. It seems to happen at ...
2
votes
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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
1answer
64 views

What could cause a previously working point to point to be accessible from only one side? [closed]

I have two sites that are connected using a pair of Motorola Canopy 5.7 Ghz backhaul units. They have been working for years without a problem but this morning we had a power outage for a few hours ...
2
votes
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 ...
1
vote
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 ...