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2
votes
1answer
56 views

Can not add static route in my Ubuntu, SIOCADDRT: Network is unreachable

I'm trying to add a static route in my VPS to a client that is on the other side of the VPN tunnel to my VPS and forwards it's traffic through the tunnel. This is the setup of my destination that I'm ...
0
votes
0answers
20 views

Force routing to a gateway when pinging self IP

I will try to explain my problem the best I can, and maybe there is a better solution. I got a topology that includes a host and a gateway. Also I got an application with both client side and server ...
1
vote
2answers
99 views

Best practice for using multiple links between switches when link aggregation is not supported?

I have a half-dozen servers and workstations in an office. The systems are connected to a Cisco SG200 gigabit switch in the room. The room has two gigabit wall-port ethernet outlets. I have the switch ...
3
votes
0answers
81 views

How to get the topology of a layer-2 switch network with the switches' forwarding tables?

Suppose I have a list of layer-2 switches that do not support LLDP (Link Layer Discovery Protocol) but support SNMP. I have the management IP addresses of these switches, but I don't know how they are ...
1
vote
0answers
128 views

Is there a way to setup alerts for a failed DFS topology connection?

I have a large DFS structure setup between multiple remote sites and multiple hub servers in a full mesh topology. Each remote site has its own namespace or namespaces and replication group. I have an ...
2
votes
3answers
117 views

Does using a peer topology mitigate the risk of server failure?

My client manufactures a medical device that takes various measurements of a given sample and writes the results to a database. The amount of data generated is relatively small. In the current ...
2
votes
1answer
271 views

What servers do I need to set up the following simple scenario? [duplicate]

I've founded a start-up recently and am about to add a little structure to it, regarding management, communication and data. I am a software developer and do not know any details about server ...
0
votes
3answers
835 views

Websphere ND Dmgr - Application Server collocation advantages and disadvantages

In a Websphere Network Deployment Architecture, what would be the drawbacks of collocating a deployment manager server with one or more managed application servers on the same host? In other words, ...
1
vote
3answers
301 views

Several border firewalls in the same network [closed]

I'm currently analyzing the consequences of multipath connections for the firewalls. In that context, I'm wondering if it's really uncommon to have several firewalls at the borders of a network to ...
2
votes
1answer
171 views

Windows 2008 Domain Multiple Sites/Subnets What Should Be Considered

I am currently setting up a remote office that will be connected to our HQ via a P2P connection. We leverage a Windows AD Domain, and I wanted to know what would motivate someone to migrate from a ...
0
votes
1answer
175 views

Revealing neighbors via SNMP on cisco switches

Is there a common way to obtain information about neighboring devices from a cisco switch, provided that we're using SNMP, and CDP is completely off? I may be on a totally wrong track here, so I ...
0
votes
1answer
241 views

Network structure and topology advice

As per a few prior questions - I am in the process of splitting a server with a variety of role into individual servers with one role per server. I have now got the following servers/roles setup: ...
1
vote
3answers
3k views

MySQL in star topology

I have one central database with all the data in MySQL 5.1-lastest-stable. I want to hook up multiple clients in a master-master relationship. Question How do I setup a star topology with 1 central ...
6
votes
1answer
1k views

Looking for a tool to plan network/vlan topologies [closed]

I'm looking for a tool (desktop or web-based) that we can use to plan our network topologies using VLAN's. Something capable of defining switches, and mapping VLAN's to the ports and allowing use to ...
5
votes
4answers
15k views

What is the best network design for a new multi-floor building?

Specifics: 4 floors. Floors consist of central cubicle area and exterior offices pre-wired to wiring closet on each floor. IT data center will be located on 1st floor Conduit exists in building ...
2
votes
3answers
273 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 ...
0
votes
1answer
188 views

Design of a hosting network

I am sketching a network design for a KVM hosting site, preparing for hundreds of virtual guests. In our current design, every customer (no matter if physical or virtual) reside on their own VLAN to ...
2
votes
3answers
263 views

network topology including many services

I know this is yet another question on how to setup network but I hope you are not bored of such questions yet. The site is also an office, so it includes windows dc, windows ad, exchange, sql, file ...
2
votes
3answers
543 views

Ethernet: network topology

Consider a standard GigE network switch. In order to do the switching, presumably it needs to maintain a map of MAC addresses of all things that exist on the network to its (switch's) port numbers. ...
8
votes
1answer
958 views

Best practice for Exchange 2010 HA topology considering 6 x Exchange licenses and TMG 2010

What would be best topology considering that: 6 x Exchange 2010 Standard Licenses 2 x Separate locations that are supposed to support redundancy in case of link problems 4 x Forefront TMG 2010 with ...
-1
votes
2answers
6k 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
votes
1answer
221 views

Consumer board for 4* commodity cluster in tetrahedral back-to-back GB-lan topology

I'm not very sure what consumer board to choose for such a configuration. Im planning to build one or more "Beowulf-like cluster" (starting with one for testing), one such cluster consists of four ...
0
votes
3answers
94 views

Does it makes sense to use a single physical box in both DMZ and Secured Zone

I was sitting in a presentation where I was told it is ok to have a physical box (virtualized into two) where one resides in the DMZ zone and the other resides in the secured zone. I found that such ...
0
votes
2answers
93 views

How Packets are absorbed in a ring connection?

In a bus topology you have a terminator which absorbs unused packet(noise).What happens in the case of a ring topology?
0
votes
1answer
139 views

Microsoft Forefront Management Gateway 2010 - Which topology to choose for monitoring only server?

I've installed Forefront and wanted to use it as monitoring traffic solution until we decide to put it as a router. I've 2 nic's assigned to this virtual machine. One NIC has connected port which is ...
0
votes
2answers
1k views

How do ring and bus network connect to router?

Sorry this is probably a very silly question, but for some reason i am confused. How does a LAN with bus or ring topology connect to a router and other LANs? For example in a star network they all ...
1
vote
2answers
3k views

how to request/acquire all records from a DNS?

I want to see what nodes exist under a certain domain from within the domain. Short of querying every valid ip address within that domain, is there a way to get all records/map the network?
2
votes
1answer
557 views

MySql Replication with a star topology

My company currently operates in 3 separate locations connected by slow vpn links. Each site hosts a dedicated MySql server. I need to aggregate the data from all three of them onto a single server ...
1
vote
0answers
601 views

Setup MSSQL replication with peer to peer topology: problem setting up Conflict Detection

I'm setting up a SQL Replication strategy, using MSSQL2008 with peer-to-peer publications (2 servers, each one subscribes to the other). I followed this HOWTO from MSDN, and the setup seems to be ...
3
votes
2answers
208 views

Programmer configuring a new network [closed]

I'm in the process of expanding my home network from a couple of laptops on a wireless Verizon FiOS router to include: Linksys 24-port switch Cisco Pix 515 Cisco 3640 router One new development ...
1
vote
1answer
42 views

Challenges w.r.t. proximity between application hosted outside Amazon and Amazon persistence services (SimpleDB & S3)

This is about hosting a web portal. Earlier my topology was entirely based on Amazon AWS but the price factor (especially for EC2) now makes me re-think. I'll now quickly come to what I have ...
2
votes
5answers
1k views

Are token-ring networks still in use? What products are available?

I'm looking for some materials on current usage of token-ring network? Is there any token-ring device in the market? If there is, what are the names?
4
votes
2answers
463 views

Tool or IconSet to visualize network topology

I'm looking for a tool or IconSet do create a picture of a network topology. The network doesn't exist, so I don't need a tool that scans a network and creates a picture of that network. It would be ...