Routing And Switching

Why can't I connect to the Internet through my new GBIC module?

On the MDF Rack is a Linksys switch that has 24 ports with two mini gigabit interface converter (GBIC) modules: One GBIC module port states up to 12; the other port states up to 24. [o:p][/o:p] Also, there are two fiber patch panels with 12-pair wires connected to Ports 1-2 3-4 5-6 7-8 9-10 11-12...

How do you get the VLAN protocol to go 'up'?

I've forgotten some information on VLAN protocols. I am butting my head against the wall right now trying to get the VLANs on my Cisco 2811 router to change to up/up from up/down. Does anyone know how to get the protocol of a VLAN to go “up”?  I’m just plain forgetting it all right...

routing confusion

I am confusing about routing I know cisco routers are capable of routing different NWs if it is WAN or LAN .Also there are lot of other routers available in the market such as dlink 525 .netgear,astaro,pfsense,linksys sohorouters .What ai sthe differenet between the routing mechanism they use? Also...

Route map Cisco

I have a cisco router 1841. It has 2 outside adsl interfaces, and an inside interface connected to local lan. I want to use the 1st adsl interface for http, ftp and the 2nd adsl interface for the rest of the internet traffic. Below is a sample of my configuration: interface FastEthernet0/0  ip...

TWO DIFFERENT IP ADDRESS

 Port Forwarding Port Checker  give's me this ip address"192.168.0.184". But Open Port Check Tool return this ip address "24.247.163.127".      What I try to do is set up an COD4 server, but unable to open the correct port " 28960". I am using an D-link DGL 4500 router. Software/Hardware...

Cheap, Good and Easy way to rout and load balance a second Internet uplink

We would like to add a second Internet line into our school. I'm looking for an easy solution, because I have very limited knowledge of networking. It needs to be inexpensive, because we are on a show string budget (like everyone else right now except the banks). And it needs to do a good job of...

Can't connect D-Link media converter with Cisco switch 2950

I am using Cisco switch 2950 connected with a D-Link media converter. When power is reset, that switch is up but the port connected with the media converter is down. After I reset power of the media converter, the link comes up. What's going on here, and how can I fix this? Software/Hardware...

How to detect duplicate IP addresses

How is it possible to detect/locate/discover a duplicate IP address in a network? If this network has a router, does this method of discovery still work?

VLAN for Public Wifi

Hi, I was hoping someone could help me out with my HP ProCurve 4208vl switch.  It's in a mostly default configuration: switch (default vlan) ip: 10.1.1.95 default gateway: 10.0.0.1 / 255.0.0.0. I would like to create a second VLAN for a Public Access WiFi.  I have a DHCP server running on one...

Is there a way to edit my firewall rules in one place?

Can I configure my network to reroute traffic to one server, so I can edit my firewall rules in one place?

Can you be annonymous on a guest VLAN?

We have a network with multiple Vlans seperating departments etc. We have a guest Vlan for people to use that need access to the internet. We need to find a way of stopping the guest users from being able to 'see' each other within the guest Vlan. I can only think of seperating each user into...

Configuration for the OEC or Motorola Canopy router

I would like to know how to configure the OEC or Motorola Canopy router. Where can I find this information?

Layer 2 vs. Layer 3 generic routing encapsulation (GRE)

What is the difference between Layer 2 GRE and Layer 3 GRE?

Connecting data closet switches to the core with redundant links

I'm moving our flat network which covers a three-story building and about 450 users to a subnetted network. I would like to know about connecting data closet switches to the core with redundant links. Can I implement OSPF on the core and connecting switches and eliminate spanning tree? In this...

If my network's configured incorrectly, how are my computers communicating?

I have a question regarding communication within a local network. Please correct me If I am wrong: If there are two computers in a local network, Computer (A) and Computer(B), and if (A) wants to communicate with (B) or vice versa, then the request first strikes the router's LAN interface, right? ...

2 DSLs aggregated to a Cisco 5505 asa router

I am waiting for our FIOS connectivity and am presently using EMBARK DSL in its place. As an interim measure I want to add a second DSL to get more throughput. 1. Can this be done 2. Should both DSL modems ahve the same static ip from the provider Any help would be greatly appreciated Thx - Joe

multiple lans, subnets, dsl connections on the same cables

well this is my first post and its a doosie. At lewast for me. Looking for an all wise network guru!! =] we had an existing network consisting of 10pc's, a win2k server and a dsl connection. all was fine... dsl router:192.168.0.1 server: 192.168.0.10, 192.168.0.50 easy as pie... now we are...

Routing VLANs to public IPs from Intranet through Fortigate firewall

We have three virtual local area networks (VLANs) as follows: 1 data, 2 voice and 3 wireless. We have 6506e at the core, and interVLAN routing is working fine. The problem is implementing FortiGate firewall in transparent mode and terminating the ISP on the router with Ethernet output. I am not...

MAC address binding in Layer 2 and Layer 3 switches

How can we do MAC address binding in Layer 2 (L2) and Layer 3 (L3) switches?

How does ATM differ from existing network technology?

How does an ATM differ from existing network technology?