VLAN Questions


The whole steps and procedures to restrict internet access (http & https) for employees from a Cisco 3750 switch.
Hello there, How can I restrict internet access to my employees around (30) and what I mean by internet access are protocols http and https but allow them at the same time from connecting to the server and thus, being able to open their emial (I have an exchange server on another netowrk in another [...]

Answer Question   |  March 25, 2011  2:27 PM
Cisco, Cisco 3750 configuration, Cisco Catalyst 3750, Switch configuration, VLAN
asked by:
15 pts.

Merging Home Network With Cisco Lab
I currently have 3 Cisco routers, 2 L3 Switches and 4 L2 Switches. I ran a cable from my home Cisco wireless E3000 router to one of my L3 Switches. I converted the switch port that its plugged into as a routed port and to obtain an address using dhcp, which it did grab one. [...]

Answer Question   |  March 21, 2011  12:23 AM
Cisco Certified Network Professional, Cisco Routers, Cisco switches, VLAN, VLAN configuration
asked by:
75 pts.

Juniper Netscreen 25 & Cisco 2900 Vlan Trunk
I have Juniper Netscreen 25 and a Cisco 2900 switch with which I’m simply trying to set up a ‘router on a stick’ scenario and I can’t seem get the trunk working. On the Cisco 2900 I’ve done the following: Created 3 vlans: 10, 20 & 30, assigned 5 ports to each vlan, set fa0/20 [...]

Answer Question   |  February 16, 2011  8:28 AM
Juniper, Juniper Cisco trunk, Juniper Cisco Vlan, Juniper NetScreen-25, VLAN
asked by:
25 pts.

How can I configure a Cisco catalyst 1900series switch to perform a LAN and VLAN functions
I got a used cisco catalyst 1900 series. I have crimp the necessary cables(straigth-through, cross-over, Roll-over ether net cables). I need a help on how to configure it to serve a LAN and VLAN functions. Please the answer is needed urgently.

Answer Question   |  February 4, 2011  6:00 PM
Cisco, Cisco Catalyst, Cisco Catalyst 1900, Cisco Configuration, LAN, VLAN
asked by:
25 pts.

Cisco Catalyst and Juniper VLANs
i have two vlans configured into a juniper netscreen (a screenOS device). I have connected a catalyst to the nic i have configured the vlans on. I need an example configuration to shoot into the cisco to be able to ping both juniper vlan addresses from the cisco

Answer Question   |  February 16, 2011  12:25 PM
Cisco Catalyst, Cisco Catalyst 3550, Cisco VLAN, IOS Fundamentals, Juniper NetScreen-25, ScreenOS, VLAN
asked by:
10 pts.

Cisco switch configuration?
[strong]I have one distribution switch(Cisco) and linked to many access swtitches(d-link) what type of configuration should I do???[/strong] [strong]No VLAN in my network[/strong]

Answer Question   |  March 1, 2012  1:31 PM
Cisco switch configuration, Cisco switches, Cisco VLAN, Switch configuration, VLAN, VLAN configuration

Different Vlans can communicate
I have two PC connected on a single switch under different vlans ,,, now i want both to talk to each other how this is possible

Answer Question   |  September 13, 2011  7:59 AM
Catalyst Switches, Cisco, Cisco switches, VLAN, VLAN configuration
asked by:
5 pts.

Free IT Book: Network Security Technologies and Solutions
From the back of the book: “A comprehensive reference to the most cutting-edge security products and methodologies available to networking professionals today. Understand and implement current, state-of-the-art network security technologies to ensure secure communications through the network infrastructure.” Help out around IT Knowledge Exchange and learn how to effectively secure your network with this great [...]

Answer Question   |  December 19, 2010  6:35 PM
Cisco, Disaster Recovery, Giveaways, IT Books, Network security, Network Security Management, RAID 5, RAID Array, SMTP, VLAN, WAN
asked by:
6,315 pts.

How to extend VLANs across WAN link
How do I extend 2 vlans over a WAN link. I’m using 2 routers and simulated the WAN by connecting 2 paradyne modems back to back with a cross cable. both routers are seeing each other. switch-> router1->modem->modem->router2->workstations. I need to be able to see the vlans on router 2 and to run applications on [...]

Answer Question   |  February 28, 2011  8:25 PM
InterVLAN Routing, VLAN, VLAN configuration, WAN
asked by:
20 pts.

Can VLANs communicate with each other and still block broadcast traffic?
Can VLANs communicate with each other if necessary and still block broadcast traffic from the same machine because it’s on a different subnet?

Answer Question   |  February 25, 2011  6:04 PM
Network security, Network Security Management, VLAN, VLAN management, VLAN Setup
asked by:
755 pts.

Packet loss in a Cisco 3750 stack
I am seeing occasional packet loss in a Cisco 3750 switch stack. There are 5 switches in the stack. The client is on switch 5 and the server is on switch 4. The client is on a separate vlan from the server. I am not seeing any errors on the ports or VLANS or NIC’s. [...]

Answer Question   |  December 6, 2010  8:22 PM
Cisco, Cisco 3750, Cisco switches, Packet Loss, Packets, VLAN
asked by:
32,645 pts.

Addressing specific IPS from HP Pro Curve or only by port numbers?
Can we address specific IPS from our hp pro curve 4000m or only by port numbers? If only by port can we set a VLAN for a specific machine to always be in it and apply priority rules to the VLAN?

Answer Question   |  February 14, 2011  2:38 PM
HP ProCurve, IPS, Port numbers, VLAN, VLAN management, VLAN Setup
asked by:
755 pts.

VLAN implementation
Why do we need to implement VLAN in our Network and how to configure a switch to be part of a VLAN

Answer Question   |  February 8, 2011  2:28 PM
Networking, Switches, VLAN, VLAN configuration, VLAN management
asked by:
20 pts.

If we set up QOS without a VLAN is it good enough for VOIP traffic?
priority over all other network traffic or do we need to setup a VLAN as well?

Answer Question   |  February 11, 2011  5:07 PM
QoS, VLAN, VLAN configuration, VLAN management, VoIP
asked by:
9,815 pts.

Can you help with the differences between DSCP and TOSbit?
we use DSCP or TOSBit for 40 IP based voip phones on a segmented VLAN?

Answer Question   |  February 11, 2011  5:06 PM
DSCP, VLAN, VLAN configuration, VLAN protocols, VoIP
asked by:
9,815 pts.

Virtual Machine disconnects from network
Have a strange issue. A couple of VM’s(on the same host) get disconnected from the network. Rebooting the VM or checking/unchecking the “Connected” and “Connected at power ON” option may sometimes work or may not. When it does not, vmotion the VM’s to a different host and the moment the task completes 100% they are [...]

Answer Question   |  October 7, 2010  1:21 PM
Virtual machine management, Virtual Machine Performance Management, Virtualization, VLAN, VM, VM Connection
asked by:
45 pts.

Inter VLAN
i have 1 switch that i had install vlan 1 and vlan 2. i also have 1 router to connect to the switch through the server. how to make vlan 1 and vlan 2 can access each other? please help me. i’m still new in networking field..

Answer Question   |  February 16, 2011  3:26 PM
Networking, Switches, Switching, Virtual LAN, VLAN
asked by:
Skh
35 pts.

VLAN setup advice
We have a network with Windows Servers, Windows Clients, Mac servers and Mac Clients. We have HP Pro Curve’s 4000M and a ProCurve 6108 as our switches. Should we setup VLANs? Can it be beneficial?

Answer Question   |  February 14, 2011  3:38 PM
HP ProCurve, Mac, ProCurve Switch 4000, Virtual LAN, VLAN, VLAN Setup, Windows, Windows Server
asked by:
1,110 pts.

Organizing traffic with mixed wireless and wired clients
If I have a mixture of wireless and wired clients connecting to the same devices across my network do I need to separate the traffic into vlans? Will this help network speed? Or is it not necessary?

Answer Question   |  August 23, 2010  3:18 PM
Network speed, VLAN, VLAN Setup, Wireless, Wireless in 2010, Wireless Network, Wireless network management
asked by:
1,110 pts.

Can Linksys BEFSR81 router be used to facilitate inter-vlan communication
I am new to networking. I have created two vlans using a linksys SRW2016 switch. I assigned members to each valans. The member within a vlan can ping each other, but members between VLANs cannot ping. I was told that I need a router to get the inter-vlan communication working. I have a Linksys BEFSR81 [...]

Answer Question   |  November 17, 2011  6:24 PM
Linksys, LINKSYS BEFSR81, Linksys Routers, VLAN, VLAN configuration, VLAN management, VLAN Setup, Wireless in 2010, Wireless networking
asked by:
5 pts.