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Questions tagged [network-management]

17 questions
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2 answers

maximum number of connections Squid

I have a Squid proxy server that controls all internet traffic for my network. I need a way to stop users from downloading big files (say >50MB) in my network. I banned some famous ports (e.g. torrent) but some downloads are possible by HTTP port.…
Isaac
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Letting users make their own dns changes? Any software available to manage this tricky situation?

I currently waste a lot of time making dns changes for my organization. DDNS of course helps for workstations, but we still have a few thousand unique servers with still more applications needing cname records that DHCP/DDNS alone will not support,…
Jaredk
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6 answers

Which network performance management software do you use?

I am looking at the various options available for network performance management software, some of the solutions I've found so far are: Proprietary: HP - ProCurve Universal: SolarWinds - Orion Open Source: OpenNMS I am trying to discover the…
Jamie Keeling
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5 answers

How to manage Infrastructure projects vs Helpdesk

In pretty much any IT dept that manages a network, you have to find a way to balance time between Helpdesk calls (frequent, simple things like 'I cant print') and longer term infrastructure projects (re-organising mailboxes, upgrading software and…
codeulike
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How to manage group of Linksys SRW224G4 switches?

I have 18 Linksys SRW224G4 switches. As far as I know, they can be managed only one by one via web-interface that works only in IE. Is there any way to automate this process? More specifically, now I need to enable portfast on all 100Mbit interfaces…
gelraen
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use of nmap clogged my network

I was using nmap to scan the mac addresses of my network.What I found was internet connections and rest of network services badly clogged the users were not able to connect to internet.After messing with different things some times later we noticed…
Registered User
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Software for network hardware asset management, quite big problem!

Not an issue for a small network, but becomes a pain when it grows. How can I track what ever happens to my network's hardware (repairs, upgrades, whatever) if I don't want to dig into loads of Excel and Access files? UPDATE: Looks like it's called…
Parsa
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4 answers

Tips for moving an established network environment to a more streamlined setup

Greetings, for a little bit of background the network we are dealing with is moving into it's 3rd generation of administration. That being said there are still devices/configuration's that are left over from the 1st. Documentation is slim but…
Blake Arnold
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3 answers

Central configuration for DHCP, DNS and Firewall

What software do you use for central network management ? What I mean is, you record a machine's name, mac address, open ports and other info, and the program generates DHCP, DNS and Firewall configuration snippets, to be included from main config…
hayalci
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Squid delay pools and multiple ACLs evaluation

I am testing squid 3.0 on a ubuntu amd64 box. I am facing a problem with the delay pool classes when I set the delay_access parameters with multiple ACLs. Have been going through the squid wiki and nothing conclusive. Perhaps someone or a squid guru…
Muhammad
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How do I set OpenNMS to have two types of Node Down events with different severities?

For example, I have laptops in one subnet which keep turning on and off so if a node on that subnet went down I'd class that as an intermediate incident. However, on another subnet there are critical servers which if one went down I'd class as a…
Louis
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HP 2530: multiple management IP Addresses possible?

I have two HP 2530 switches in our hosting center. Because of some VPN problems between our office and the HC, i need to change their management IP Addresses to a different IP network. Currently they have a 192/24 address configured in a tagged…
Christoph Gösgens
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1 answer

Polycom VOIP phone seems to mask the secondary device's MAC address from a Cisco switch

When I have a Polycom VOIP phone plugged into a Cisco switch and a laptop plugged into the Polycom phone I get the following. 1) The phone goes into the voice VLAN as expected. 2) The laptop goes into the data VLAN as expected. 3) When I run show…
Boris Epstein
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Community string indexing error in non-cisco switches

I am trying to retrieve CAM table information from non-cisco switches. I am using D-Link DES 3526 and Brocade fastiron sx 800 switches and installed net-snmp. When I execute the cmd: $snmpwalk -v 2c -c public@[vlanid] [ip-address]…
iHamVic
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Policy routing script for linux

I am looking for some policy routing script for linux that isn't a part of a firewall, there are tools like shorewall and others but I prefer something more simple. I only need a script that can set a per-service preference on one of my two upstream…
aseques
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