Network monitoring
Someone is eating my internet bandwidth. Are there any tools I could use to see the culprit and what they are doing? Freeware if possible
View ArticleRouter dropping randomly to negotiate: Adtran 908E to Cisco 2960 Switch
We have a managed router (Adtran 908E) connected to a Cisco 2960 switch that for the last few days has been dropping the connection. This setup has not changed in over a year.I've been working with...
View ArticleBest Firewall/UTM for 100 user network
Hello,I am changing out our old Cisco ASA and need some recommendations on new appliance. Budget is about 4k and network consists of 100 users mostly all onsite. Prefer a nice GUI interface and easy...
View ArticleNetwork connection problem
I have a rather odd problem on a network where users cannot log into a Terminal server after normal business hours because authentication times out.The setup is as follows:Server 2012 Terminal...
View ArticleSyn Flood Attack
Has anyone else been affected by the Syn Flood Attack today reported by Griffen ISP ervice RequestTicket Number 00751065Ticket Priority IR - Information RequestCustomer Griffin Information Systems...
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SonicWall Sonicpoints across Trunks on VLAN's
This is probably related to how to properly setup trunk ports but is very specific to getting SonicPoints. to work across switch trunks. I currently have 3 Sonicpoints working and provisioned...
View ArticlePOE doesnt work on some ports
I have a 28 port Core switch that does not seem to provide power on some devices on certain ports. For example using a sf302-08p switch into port 16 of Core and works. But when plugged into say port 10...
View ArticleRDC connection problems
I can no long remote into the server and this is recently. I cant even telnet the 3389 port that is uses. I made sure they were no listening ports on 3389 and it is not a firewall issue. What are some...
View ArticleProblems with wireless
For starters, the only changes I've made to the network were to update and restart the domain controllers (2) and the virtual servers on them (1 each). That was earlier this week.It's been a helluva...
View ArticleClass B subnetting or CIDR
I have a wireless network that is on a class c subnet. It's running out of ip's. We have anywhere from 20-300 devices on the network at a given time. So we are trying to figure out a way to expand...
View ArticleNeed more IP's
We have a 2003 server that runs DHCP for us. We have two offices. The main office (which is where the DHCP server is located) uses 192.68.0.x and the other office uses 192.168.1.x. We have a PPTP VPN...
View ArticleISP DHCP server ideas
Hey everyone, I am looking for some ideas on making life easier, just a tad bit, here at a local Wireless ISP I work at. Our wireless network to our customers are set like this: We assign static...
View ArticleSFP-10G-SR vs. FET-10G
Hey everyone-I have had a puzzling time today with some optical transceivers. We have Cisco original SFP-10G-SR transceivers, and also Cisco original FET-10G transceivers. They are going into a Nexus...
View Articlenet use command
I don't know if times have changed or I have changed or what but in a users logon script if I wanted to delete a mapped drive (S drive in this case) I would use the thisnet use s: /deleteif I try that...
View ArticleStarting a ISP? I am ready for change!
Hello I am a young entrepreneur as well as a consultant and for many reasons I have decided to build the next great railroad of technology and create a ISP. My goal is to create a backbone on a fiber...
View ArticleDHCP clients drop packets frequently; static clients fine
I have a small customer with about 25 workstations and VoIP phones and an SBS 2011 DC and 2008R2 RD server. DHCP and DNS are served on the DC. Most workstations and VoIP phones share a single CAT5e...
View Articleintermittent Back Office connection
Hi everyone,I need some help.When normal browsing to normal website, there is not issue at all.However when comes to Back Office, some end users facing slow connection (As in after log into the main...
View ArticleOnline Client Interaction
So I'm working on developing a website for a start-up investment firm. They want to start simple, but eventually work into a system where they can easily communicate with clients securely via the...
View ArticleRecommended number of hosts per Broadcast Domain.
Hey everyone, I just wanted to post this discussion topic.I am just curious as to what people believe is a safe number of hosts on an IP network in regards to Broadcast domains. Conditions:Todays...
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