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2answers
81 views

Infrastructure advice - appliaction and network servers

I'd like to ask for server infrastructure advice. We'll be upgrading our network infrastructure (built on MS ecosystem) and so far we have two servers (not counting ISA server): one machine serves ...
2
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2answers
354 views

Does 5-4-3 rule apply to stackable managed switches?

We have 7 Dlink DGS-3120 48 ports Gig switches stacking together and all ports are being used. Each switch represents a single segment of our working area. it is working well without any issue. My ...
0
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0answers
45 views

For a typical broadband ISP, are nodes on the same subnet routed together or are they bridged?

For a typical broadband ISP, are nodes on the same subnet routed together or are they bridged? In other words, what kind of path will a packet take when going from one node on a subnet to another for ...
2
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1answer
75 views

Trace /8 address space with nmap

I'm trying to sketch out a network topology map using the following command nmap -sP -PE -PS22,25,80 -PA21,23,80,3389 -PU -PO -oX topology.xml --traceroute 10.0.0.0/8 (10.0.0.0/8 because no one ...
0
votes
1answer
584 views

How to connect two HP 1910-48G switches

My company have two HP 1910-48G Switches. One of them is on my flat and the other one is two flat above. I'm not a network guy but my manager wants me to connect these switches and he doesn't want to ...
0
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1answer
60 views

failure discovery using LLDP

I have a array of switches connected to an Openflow controller.I want to understand the topology of the switches.I am thinking of using LLDP for this.Now in this architecture if a link goes down or a ...
0
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1answer
233 views

Creating separated networks over WiFi and LAN

I run a small business where we currently have a single network running between WiFi and Ethernet over an AirPort Extreme. Most devices are using WiFi with only my main machine running via LAN. I am ...
0
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1answer
157 views

Are star, ring, bus, and tree network topologies still relevant?

I'm in charge of some of the technical training at our programming company. That includes getting some of the project managers up to speed with basic information technology. I bought a university ...
5
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3answers
648 views

Layer 2 topology discovery [closed]

I have been given a network (it is a LAN) comprised of switches and I need to discover the topology of that. (There may be Link Aggregation Groups (LAGs) in the network as well.) I have done a lot ...
1
vote
2answers
808 views

What is the network topology symbol for a KVM switch?

I've been tasked with putting together some network diagrams in Visio and we have some IP-based KVM switches that need to be captured. I've been relying on the Cisco Network Topology Icons for the ...
1
vote
2answers
321 views

Digital phone system with dual star topology (over Cat5e)

Scenario: 2 office spaces within the same building (approx 50m apart), 8 workstations in office 1 and 6 workstations in office 2. Every workstation will have 2 network connections (1 for data, 1 for ...
2
votes
1answer
100 views

Guessing how switches are wired together with minimal information

Given a switch S1, I’d like to guess the target port of a switch S2 to which it is wired. I can get their updated Mac Address Table (some say Address Forwarding Table) and that’s all. I can’t enable ...
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6answers
2k views

What software is available to keep track of hundreds of servers?

What good software is available (free or not free) to help me keep track of information relating to hundreds of servers, their relationships to each other (parent/child, category, type), and ...
1
vote
2answers
115 views

256k speed connection to host multiple users

I've been given a 256k modem for a 2 day event to allow users access to the internet. There will be multiple connections (I anticipate 30+). How can I set this up so that it can support that many ...
2
votes
2answers
7k views

How to connect multiple switches together?

I have 4 "NETGEAR ProSafe GS724T Gigabit Smart Switch" that will need connecting to each other. I am not sure of the best way to go about this. Normally, I would just daisy chain them or hook all ...
1
vote
3answers
159 views

10Gbe connection to 3 sites using Single Mode fibre. Require High Availability

An industrial site needs to link 3 seperate areas in a building in such a way that all the switches are on the same network and sharing the same wan link. The wan link will only be coming in from one ...
0
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2answers
95 views

Network topology

I am writing a network application that has several machines that serve separate clients, but machine themselves need to communicate with each other frequently. Let's say multiple chat servers for ...
3
votes
2answers
206 views

ip level network topology discovery

that's it, is there a way to discover a network topology at level 3 or IP level, i mean, i want to build a program that maps the different networks that are reachable from mine and where the routers ...
2
votes
3answers
206 views

What software exists to map a network?

We have an internal network that can be -- at best -- described as a bit baroque. More and more of it is known, but the structure is not clear and not well documented. What I'd like is a graphical ...
2
votes
2answers
158 views

Network topology for both direct and routed traffic between two nodes

Despite it's small size, this is the most difficult network design problem I've faced. There are three nodes in this network: PC running Windows XP with an internal WiFi adapter.Base station with ...
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2answers
199 views

Network topology question

We currently have three networks, X.X.163.1, X.X.93.1 and 192.168.1.1. Today's setup is like this: http://i.stack.imgur.com/tkKWy.jpg We now have PPT VPN from internet to the X.X.163.1-network, but ...
0
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2answers
636 views

Basic questions about network topologies

I have just started learning about network topologies, but there are a lot of confusion about different types of network topologies i have learnt so far. First of all, BUS topology. If i have like ...
0
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2answers
2k views

What is the best network topology for a small sized school network?

We've already implemented an extended star network with a central server but we were wondering how we can improve it.
2
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2answers
2k views

Best way to split LAN computers on two WANs (not load balancing)

What is the best way to split the computers of a LAN (about 50 computers) to go on two WANs, depending on the computers' IP address or computers' configuration (gateway). I'm not looking for ...