WAN refers to Wide Area Network

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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 ...
-2
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1answer
105 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, ...
0
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2answers
375 views

Using FreeBSD to tunnel IPv6 over IPv4 WAN

On a WAN I have 5 different locations connected by point to point T1s via Cisco 2801s, with one central location routing each location to all the others, sort of a star configuration. The routers' ...
2
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0answers
199 views

Two separate WAN uplinks for two different NAT networks

I have a server running ubuntu 10.04 with four interfaces. eth0 and eth1 have static WAN ip's, and eth2 and eth3 are connected to two separate NAT networks 192.168.0.0/24 and 192.168.1.0/24 ...
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0answers
193 views

network mount across WAN [closed]

I have 2 networks separated by a WAN (25/25 fiber optic VPN). I would like to provide some files to both servers on networks via NFS (and Samba for the desktops, but that's on a per-site basis). some ...
3
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2answers
148 views

Increasing speed between buildings above 1Gbps

I am looking for options to increase the speed between buildings, ideally without having to replace existing fiber. Current situation: Multi-building campus, with Gbps fiber links between ...
5
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1answer
1k views

Draytek Vigor 2820 static IP's

I have a Draytek Vigor 2820 router which is connected to our ADSL provider (British Telecom, BT). We currently have one static IP address which is accessible from anywhere outside of our network and ...
0
votes
1answer
369 views

Microsoft BranchCache vs. 3rd part WAN Accelerators?

My client needs to improve the performance of their WAN. They have three sites spread som 600 km apart with roughly 400 users per site. It's mainly a Microsoft environment. Today they are using ...
0
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1answer
54 views

IP compatible with localhost and external

Im working on an online game, but I'm having an annoying issue with me and my friend testing. The thing is, I set the client to connect to my WAN IP so he can connect, but then I cannot connect as it ...
1
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2answers
749 views

Can I use pfsense or m0n0wall to simulate packet loss and jitter?

Can I use pfsense or m0n0wall to simulate WAN-like packet loss, jitter, duplication, and reordering? I see questions looking for dedicated solutions like: What tool(s) can I use to simulate a WAN for ...
2
votes
3answers
12k views

How to setup dual-wan trunking but keep one as main… (Weighted round robin, Least load first, spillover)

I'm working on setting up a zywall USG-100 firewall. I can get everything to work but now I'm trying to get the 2 wans to work correctly. They both work individually but I'm having trouble with the ...
0
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1answer
96 views

multi-wan setup vs larger single connection

Hey guys i am trying to decide whether or not a situation makes sense. I was thinking about going to a T1 or a E10 connection but am now trying to weight the costs vs what i actually need. This ...
1
vote
2answers
223 views

Linux as a router for a WAN subnet

Our ISP has given us a small subnet of WAN ips for the organisation where I work. If I assume the subnet is 11.22.33.40/29 and the ISP gateway is 11.22.33.122. I have a Linux box with two interfaces. ...
0
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1answer
408 views

Connecting via higher bandwidth WAN to Untangle VPN

I have 2 WANs on my gateway/firewall, set to load-balancing mode, in which one is a 20mbps (www.xxx.yyy.zzz) and the other 10mbps (aaa.bbb.ccc.ddd) line. I have an Untangle server sitting behind the ...
1
vote
1answer
470 views

iperf installation and use

I would like to use iperf to test my WAN bandwidth connection. However, I can't find a good method to install and administer it. I'm a Windows guy and don't know much about Linux, and googling iperf ...
2
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2answers
103 views

Simulate HPC application data to test WAN filesystem performance over a large link

So here is the setup: we've got temporary access to a very large TCP WAN connection and we want to use this pipe to do WAN filesystem testing. We would like to generate massive amounts of data on ...
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vote
2answers
129 views

Where should you do WAN optimization?

Interested in this technology - some vendors do WANop up at layer7, others down in the network layer. Those who are app-aware say that accelerating apps is the way to enhance their performance, the ...
5
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1answer
362 views

What kind of fiber is used in Intercontinental connections? Are repeaters used?

I'm curious about the underwater Internet infrastructure that interconnects continents to each other. Can anyone elaborate on how it works, or any other details (such as security) of these wires?
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1answer
97 views

Setting up a subnetted Cisco WAN - Serial connection doesn't work

I have two routers setup on subnetted on a network address of 192.168.25.0/29 and I can't seem to get the serial connection to work with RIP. Here are the running-config for the two routers: ...
0
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3answers
189 views

New Cisco Catalyst switches and ISL Trunks?

newer Catalysts do not offer the ISL trunk mode anymore. Now I fear VLAN-hopping/encapsulation attacks when using VLANs for WAN-isolation. What can I do to prevent such attacks? Can I mix ISL and ...
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5answers
3k views

For remote IT purposes, VPN or WAN?

I work for a small insurance company that only has 2 offices. Right now, if something goes wrong in another office, it's just a short road trip. But... This company is expanding, and will have 4-5 ...
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1answer
176 views

Small Business File Server With 5 Remote Offices

I have 5 offices 2 having 10 employees each and the other 3 having 2 each. Each of my offices will be connected to each other with fortinet products (within the month). I want files to be locked ...
2
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2answers
650 views

What is WAN IP relating to static IP leases?

When I asked my what is my static IP leases, I got the reply: ISP WAN : xxx.xxx.228.117 Customer WAN: xxx.xxx.228.118 Lan IP: xxx.xxx.194.112-127 May I ask What is the ISP WAN and Customer WAN? ...
6
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1answer
3k views

iptables - allow connections only from LAN

Is there a way to deny all external traffic (WAN) to SSH and allow only local traffic (192.168.0.1 to 192.168.0.255) and what would be the rule?
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1answer
2k views

Sharepoint 2010 replication between multiple offices

Does Sharepoint 2010 address geo replication? My searches kept coming up with a third party solution but I'd rather stick to a built in option if it's available. I have multiple offices over 4.5 and ...
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4answers
3k views

Remote desktop over 500ms latency: What is the best client to use?

We have a very slow RDP session from NYC to India (500ms) and we are looking for a client that will withstand this latency. What do you recommend in this circumstance? Is there a better remote ...
2
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2answers
326 views

Ethernet over copper thoughts

We currently have 2 DS1 lines in a multilink configuration delivering 3mbits. It works well, but we could certainly benefit from more bandwidth. As I was talking to our sales rep at XO communications, ...
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1answer
65 views

Hardware between my servers and the internet

I'm not sure how i'm going to do this but this is my situation, i have 4 DELL 1U rack servers, fourth will be for web, third will be for email, second will be for MySQL and i want the first to be the ...
0
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2answers
182 views

Few questions about rack servers SCSI and Server Routers

Today i have purchased some second hand Dell Poweredge servers, which i can't wait to get: Dell Poweredge 1850 server Xeon 3Ghz / 1GB RAM Dell PowerEdge 2650 Server Xeon 2.4GHz / 1GB RAM They use ...
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1answer
369 views

Cisco Router/Firewall Port Forwarding

We have 8x IP CCTV Cameras and 1x NAS for recording on a LAN (with an internal address range) and port forwarding from a single WAN address to connect to each. For instance, by connecting to port 8009 ...
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1answer
2k views

What does the “bypass” light on a Riverbed Steelhead 200 indicate?

The bypass light is on (green) The only other light that is on is the power light (green). I've connected the LAN port to our LAN but am not getting any link lights. Can anyone help? Thanks
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4answers
9k views

ZFS Sync over unreliable, slow WAN. ZFS replication, or rsync?

I've been tasked with making an off-site backup work over the WAN. Both storage boxes are FreeBSD based NAS boxes running ZFS. Once or twice a week, 15-60 gigs of photography data gets dumped to the ...
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3answers
650 views

Small TCP Window on WAN between 2 Locations

Site A: Denver datacenter. 60MBPS. Site B: Chicago. 100MBPS. ICMP pings: Packets: Sent = 176, Received = 176, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 74ms, ...
0
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1answer
183 views

Router disconnecting ssh sessions after approx. 5 minutes

If have a draytek 2820 series router that continues to disconnect my ssh sessions after approx. 5 minutes. I suspect it disconnects other stuff as well, because users have been complaining about ...
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4answers
788 views

Can we connect LAN (Ethernet) with a wide area network?

Suppose we want to connect a local area network (Ethernet) with a wide area network, the question arises is, can we connect a local area network with wide area network? If we directly connect the ...
2
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1answer
112 views

Utility that use the bits service to copy files

I would like to know if there is a utility that uses the bits service, to help me transfer some large files over a wacky wan connection. These files happen to be available via a UNC share. Any ...
2
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4answers
4k views

DFS-R or WAFS for Syncing 1TB Files between remote sites

We have 1TB of files that we wish to keep in sync between three locations. This data consists of around 1.5 Million files which grows/changes at an average of 100MB/day. The first location is a ...
0
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2answers
158 views

Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted?

Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted? Do ISPs change the WAN IP of an ADSL connection while in session (ie. prior to reboot) ?
0
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1answer
330 views

Direct wan ip behind router [duplicate]

Possible Duplicate: IP Address Alias I need to have a wan ip to be listen in ipconfig but computer is behind router.
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1answer
90 views

IP Address Alias

I have a computer behind router with IP 192.168.0.166. I would like to know if it possible to mask real WAN IP to it. So in the end it would be visible as WAN IP but actually not.
0
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2answers
1k views

Zyxel p-2602HW-1DA - LAN to WAN routing problems

Got a new router yesterday (due to new internet supplier) and now all my requests for my own server (local lan) is routed directly to the router instead of the server, when using dns. Ex. I have a ...
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4answers
5k views

Gauge network traffic for each Citrix session

We are currently reviewing the bandwidth of our WAN links. How much bandwidth does a "typical" Citrix session utilize over a WAN link? JFYI - we are using Citrix Program Neighborhood V10 and each ...
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2answers
126 views

How can I verify the integrity of a WAN connection?

We have two scanners in our branch office which upload images to the head office via FTP. In the last week, both scanners have started delivering a lot of corrupted images. I suspect that the problem ...
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3answers
3k views

Feasibility of Windows Server 2008 DFS replication over WAN link

We have just set up a WAN link that connects two buildings in our organisation. The link is provided by a 100-Mbps point to point line. We have a Windows Server 2008 R2 domain controller on each side ...
5
votes
4answers
304 views

Are there any statistics on the number of networks using Ethernet Jumbo frames?

I am often told by Sales Engineers and Product managers that a Layer 2 Ethernet service is not fit for purpose if the maximum supported frame size is in the 1518-1522 range (enough to support standard ...
2
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4answers
487 views

Best practice to share or allow access to trac and svn to wan internet users security?

What is considered best practice for sharing or allowing users from the internet that are not company related to have access to trac and svn? Should it be on a DMZ, should it be internal with some ...
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vote
3answers
205 views

Which is Better Firewall

I am doing a new WAN/LAN Design and wanted to know what would be a better in terms of value, reliability, support and performance. I need to connect 3 remote office to main HQ and multiple field staff ...
3
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5answers
349 views

Where to find information on the IPv4 crunch, why to worry, what to do?

Where do I get information on the IPv4 crunch (what will happen, transition to IPv6, etc.)? What should one do to prepare (if anything)? Ars Technica ran "A decade's worth of IPv4 addresses" and ...
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3answers
2k views

Multiple static WAN IP addresses to single LAN subnet

Below is my home network topology. I currently have 5 static IP addresses, 3 of which are in use by 3 routers. These routers in-turn subnet internal networks and port forward. I use my SSL VPN ...
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2answers
130 views

Can I terminate serial link into same router?

Can I terminate my serial link into the same Cisco router? I mean can I terminate both ends of serial (wan) link into the same router's two different serial ports? This is just for testing purposes. ...