WAN refers to Wide Area Network

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49 views

Unix to execute program on WAN IP update

How do I access the current IP address? Is there a way to execute a program every time it changes? I want to make a program that whenever my IP changes, it will use the Amazon Route 53 API and update ...
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1answer
112 views

Diagnosing WAN performance & peering issues without a second ISP uplink as a comparison?

Background: I am able to access Twitter & Serverfault from work (using Level3) with no problems. However when I use RCN I get crummy service and am not able to load the page. Page reloads ...
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0answers
265 views

Forward Error Correction for WAN optimization

Anyone know of user-space tools providing forward error correction with/for tunnelling a stream over UDP on Linux? I found Trafficsqueezer, utunnel and toutunnel which implement TCP over UDP, but ...
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0answers
74 views

WAN Woes Between Satellite Offices

Having a baffling time trying to troubleshoot an issue between 3 sites on a WAN set up via site-to-site VPN. The sites are: NY: 10.30.1.0 (HQ) OH: 10.30.6.0 CT: 10.30.7.0 When I first ...
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3answers
4k views

Multiple WAN interfaces on SonicWall TZ 100?

I'm using a SonicWall TZ 100 with a basic configuration of X0 for the LAN and X1 for the WAN. The WAN uses DHCP to obtain its routable IP address. I want to obtain a second routable IP from my ISP. ...
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1answer
96 views

how to block access from bridge mode vpn nodes to my wan gateway

We have a tap bridge between 2 local networks. It work great except that clients from the 'other' network can use dhcp server and most important can use wan gateway of the second network which is bad. ...
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1answer
397 views

Two Cisco 2901 Back-to-Back using X.21 (HWIC-2T) - Am I missing some config?

I have two Cisco 2901 GWs, each has an HWIC-2T interface module. I want to set them up back-to-back to send network traffic between PCs and Phones connected to my GWs over this link. I have ...
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0answers
434 views

IPcop Multiple WAN Subnets

We have an IPcop firewall and have had no issues with it. We've had a block of 10 IP addresses from our colocation provider and have been able port forward from those to internal servers as needed. ...
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1answer
230 views

Latency and bandwidth limitation(WAN Emulation)

I have a requirement to emulate the impact of a new application on the WAN. The WAN bottleneck is a 65MB dedicated pipe between Australia and the UK. I have a setup to generate the traffic, but to ...
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2answers
851 views

Bind WAN IP to LAN (under router) IIS

I am hosting my own website on my local machine and set up a virtual server on my router and everything works like a charm. In IIS, i cannot bind the WAN IP, as it doesn't show up, and if I type it ...
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1answer
82 views

Network-wide domain?

Is there a way to, on my wireless network, have a domain assigned to a network page? For example, could I have "media.com" link to "192.168.0.101/sharedmedia.html"? It would also be good if I could ...
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1answer
399 views

What causes a network adapter to have a high output queue length when maxing out a WAN link?

Why do I see a high output queue length in perfmon when the network adapter is saturating a WAN link? If a file is transferred across the 10Mbps link, the server will max out the connection and all ...
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2answers
1k views

How do I simulate a WAN inside a LAN for remote office server setup?

I need to send 3 vmWare ESXi servers (hosts) to thee locations around the world. Each host will have 3-5 guest VMs performing various tasks. Each host will live behind a firewall configured with a ...
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2answers
193 views

How to reliably synchronise file servers between London and Shanghai?

We have two offices, one in London and one in Shanghai, each needing to be able to access the same set of files. This means we need a solid, speedy means of synchronising a set of folders between ...
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2answers
105 views

would a dynamic wan disrupt a static lan? [closed]

So I found out that the cable company use the DHCP to assign the public ip address dynamically. So a subscriber's public facing ip address can change during the length of their subscription. Now what ...
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2answers
1k views

On a router, how do I block wan access for a particular machine without blocking its access to the local network?

On my tp-link TL-WR1043ND router I want to prevent a particular machine from having access to the WAN while still allowing that machine to access other machines on the LAN. My assumption is that I ...
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1answer
395 views

postgres server works on LAN but not WAN (connection refused)

I'm trying to set up a postgres server, but I cannot access it through the Internet. It works fine on my LAN. Server is just a desktop computer using Ubuntu 12.04 desktop. disclaimer: I am not ...
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2answers
3k views

(Zywall USG 300) NAT bypassed when accessing in-house-server From LAN Via domain name

My situations is like this; i host a number of websites from within our joint network solution. On the network is basically 3 categories: the known public, registered via mac, given static dhcp ...
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3answers
2k views

Troubleshooting Network Speeds — The Age Old Inquiry

I'm looking for help with what I'm sure is an age old question. I've found myself in a situation of yearning to understand network throughput more clearly, but I can't seem to find information that ...
16
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4answers
484 views

Starting a branch office on the other side of the world

Going to cut right to the point on this question, as I'm after as diverse range of solutions as possible so don't want to effect any opinions with the question too much. Client is a UK based ...
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2answers
381 views

MDB database file moved off-site

A large client that uses my MDB based application has moved the MDB file off-site so that my application connects to it over a WAN. How can I convince them to put the MDB file back on-site on to the ...
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1answer
508 views

Can SQL Server run over WAN?

Will SQL Server be able to serve workstations over a WAN? I'm talking about the kind of WANs that a very large organisation (such as a large company or government department) would utilise to create ...
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3answers
184 views

Cisco ASA and Cisco Switches, how do I determine top senders / receivers?

I'm dealing with a high bandwidth situation and need to determine what host is sending / receiving the most data. How can I get the logs necessary that will contain this information? I'm OK with ...
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2answers
4k views

Multiple WAN interfaces in same subnet on Sonicwall NSA220?

(eta salutation, which keeps getting eaten.) Hi, all. I see a bunch of related questions, so I'm hesitant to ask, but: I have a situation where I have a Sonicwall NSA220 serving as firewall/router ...
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1answer
341 views

Equipment Needed to setup up a WAN?

What equipment is needed to set up a WAN, besides routers? What aspects of setting it up and maintaining it make it so much more expensive than a LAN?
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1answer
253 views

Need to configure Nortel SR1004 router for new Internet Connection

I'm trying to prep for a new fiber circuit that is being installed in our office and I'm having difficulty finding much documentation on the Nortel SR1004 router. The router currently is used for 3 ...
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2answers
275 views

How to forward static IP to the server computer in the LAN

We want to have an office server, we already have static IP. But the thing is that we need to have following structure: ISP Modem Router Server Wireless router Also I'v tried ...
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3answers
1k views

Linux WAN failover simple solution needed

I'm banging my head against the wall to come up with a clever and simple solution to WAN failover. This is for a SOHO installation with two different external IPs. Only outbound connection failover ...
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2answers
213 views

Secure tunnelling networks with linux

I would like to build some kind of "virtual network" between two companies located in two different countries. This way, an LAN machine (192.168.x.x) located in the A company could ping directly a LAN ...
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2answers
278 views

A good topology for my network

I have this topology in my network at the company where I work: Where the only router is the 'main router' (is here where we receive the internet signal from our provider) the others networks ...
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1answer
220 views

Remote Desktop to WAN address from inside LAN doesn't work

I have a router opened up to allow Remote Desktop to one of the machines. It works if I try to connect from outside the network. If I however am inside the LAN and try to connect using the WAN IP ...
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1answer
431 views

Cannot remotely connect to server while it's connected to WAN port

It may appear like a really dumb question but why can't I remotely connect to my server when it's connected to the WAN port of the router? It was working when the server was connected through any ...
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2answers
375 views

Need help choosing main cisco WAN/firewall unit ($20kish budget) [closed]

Our IT director has left for greener pastures, and I'm acting as the interim director while we find someone new (I manage the Helpdesk). He budgeted about 20k for a new front end to our internet ...
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2answers
597 views

Radius over WAN

I have a couple of small-business routers (Cisco RV120W) that I use at some of our smaller offices configured with a site-to-site VPN to allow connectivity for devices & such between my main ...
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1answer
8k views

Enable ping to pass through pfSense

I have a pfSense v1.2.3 running and want to allow ping from the WAN through to my LAN and allow the response to get through. Web traffic goes through just fine, but not pings. As suggested elsewhere I ...
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3answers
314 views

“Tunnel” from one network to another

I'm sure the answer to this would be available on Google but I don't really know what I'm Google-ing for. Situation; We have two networks; our own internal network (192.168.0.[0-255]) and our ...
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3answers
163 views

Accessing the servers via their WAN IPs from the internal network - connect them to LAN too?

Currently we have a few servers behind a router/gateway, which is in bridge mode, so the servers have directly assigned WAN IPs with no NATting performed. This works as expected. There is, however a ...
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1answer
285 views

More than 8 WAN aliases on routers?

We have a Draytek Vigor 2820 in our office and we have a few servers running websites and email applications. These servers each have their own public ip using WAN aliases that are mapped to their ...
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1answer
435 views

Using Cisco VLANs, is it possible to connect two separate WANs connections?

I've got two separate WAN connections with DHCP on both of them; can I connect these to two different VLANs using Cisco gear (so VLAN 0 gets one WAN and VLAN 1 gets the other?) Apologies I'm ...
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4answers
2k views

Find the ip address of my modem from outside my network [closed]

I am out of town, and dyndns droped my account and deleted my ip address. I set up a new dyndns account, but I really need the ip address of my home modem. Is there any way for me to retrieve it? ...
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2answers
146 views

Linux as a router for public networks

My ISP had given me a /30 network. Later, when I wanted more public ips, I requested for a /29 network. I was told to keep using my earlier /30 network on the interface which is facing ISP, and the ...
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1answer
1k views

Very poor optimization: Riverbed-Test-Appliance and NetApp SnapMirror replication

We are actually testing Riverbed Steelheads in order to accelerate replication using SnapMirror between two sites. The distance ist 100km between the sites. Connection: 150Mbit MPLS Network Systems: ...
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3answers
523 views

Persistent Issues on small business network using Cisco 871W and Catalyst Express 500

Being the most qualified (read: still not qualified) to solve our persistent network issues, I've turned to serverfault for guidance. I've done some searching, reading related documentation on ...
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2answers
455 views

Multiple WAN loadbalancing?

What's the best way to load balance multiple DSL LAN connections in a small office (circa 30 people). If there is a Cisco product that can do this, please recommend, as it will help comply with a ...
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1answer
2k views

Ethernet interface errors

My Ubuntu servers ethernet interface that connectes to ISP's multiplexer shows errors. Here is the snapshot: RX packets:204564288 errors:3193970 dropped:0 overruns:0 frame:3138402 ...
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2answers
298 views

WAN Link Balancing - Best Way To Approach

First some of the details. We are a SME (80 office users 30 remote) with 2, soon to be 3 WAN connections. Our WAN connections are a T1, Cable (25/5), and soon to be DSL (10,2). We are looking to to ...
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3answers
275 views

Alternatives to the Cisco “Windows Server on WAAS appliance” for satellite office usage [closed]

We need to deploy RODCs to many small satellite offices where we may want additional lightweight infrastructure there too (file, print, dhcp) Are there any networking devices that include RODC ...
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5answers
708 views

Will a router allow network traffic from a static IP?

We have some servers in a data center but the data center does not offer a DHCP service. We want to have some computers setup with DHCP and others that have static IP's. Currently our WAN cable going ...
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2answers
1k views

DNS resolution failing over to secondary DNS - why?

We have large number of branch offices connected via VPN, but without any kind of server infrastructure. The client machines in each office get their network configuration from an ASA 5505, which is ...
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1answer
104 views

Router for 100Mb Ethernet Circuit [closed]

Can anyone recommend an affordable (for a few hundred £ or less) router for use with a 100Mb ethernet circuit? I think I've scared myself with Cisco prices and searches only seem to yield internet, ...