Group of hosts with a common set of requirements connected as if on the same broadcast domain despite physical location

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1
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2answers
63 views

VLAN sending data to ports it shouldnt have to

I noticed (based on activity lights) that VLAN traffic between two switch ports are being sent to many switch ports. Here's my scenario: Port 1 is a "mode access" switchport for VLAN 100 (untagged ...
1
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0answers
31 views

Configure Cisco QoS for VLAN

I have two VLANs (20 and 21) that are accessing the same resource on a switch. Clients on VLAN 20 access this resource only at schedule times, but when they do, they generate lots of traffic as they'...
0
votes
1answer
37 views

802.1Q and Network Security

I've recently purchased some TP-Link managed switches (two TL-SG1016DE and one TL-SG105E). I purchased the two first and set it up using 802.1Q VLANs to segregate my DMZ and my LAN, using tagged/...
1
vote
0answers
22 views

Auto Set VLAN ID Hyper-V 2012 R2 Cloud

I have a lab environment with multiple clouds configured in Hyper-V SCVMM. When a guest machine is created in the correct cloud say "Yellow" it is randomly given one of the 5 Vlans we use. If it is ...
-1
votes
1answer
31 views

disallow Samba WINS from making hostnames viewable across subnets

I have a samba server set up at work for simple things, such as printer and folder sharing. There is a "internal" subnet and VLAN and a "guest" subnet and VLAN. Samba runs on the same Debian machine ...
0
votes
1answer
109 views

ZyXel GS1920 Switch w/ VLAN

This may be a relatively easy question. However it's giving me a headache this morning. I have a ZyXel GS1920-48HP. Last week it lost its config. So I have to reconfigure. This switch had three vlans ...
1
vote
2answers
140 views

How to set VLAN PCP value?

I am using Intel 82599ES 10-Gigabit adapter on a Linux Machine.I have configured Vlan and the priorities on switch. I have read this http://open-lldp.org/dcb_overview. "When DCB is in operation on a ...
-1
votes
1answer
34 views

Cisco sg500-24p web-based configuration utility ip adress

How can i know what is the ip adress to the web-based control panel for my Cisco sg500 if it is not the default and if i don't want to rest the switch, i need to change vlan for a port ? The switch ...
1
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1answer
76 views

Configuring a private vlan for a test lab, but still access the internet

I have been looking around and trying to find ideas on how to isolate a test lab from our main network whilst still allowing the test lab access out to the internet. At the moment, our main network ...
0
votes
0answers
15 views

OpenStack SingleNode on existing Infrastructure

We currently have one server which isn't needed for anything else, so we wanted to install an openstack single node configuration to get some hands on time. Everything is finde except for the external ...
0
votes
2answers
77 views

Inter VLAN Routing Issue

Here's what I have setup 3 Networks across 3 switches (3x C3650) 10.7.64.x/24 (Vlan 7) 10.10.10.x/24 (Vlan 20) 192.168.1.x/24 (Vlan 15) The switches are all connected to each other, with Switch ...
1
vote
0answers
35 views

Router OpenVPN client connected, but remote VPN machines not visible

My goal is to connect my Asus RT-68 router to remote VPN network, so LAN computers can access remote ones. Remote OpenVPN server is run on Zentyal Linux distro. My LAN address range is 100.100.0.0/24 ...
0
votes
0answers
48 views

VLAN Cisco Packet Tracer

Im creating a VLAN and i have connected everything right but I need to use the classfull C network 192.168.0.1 and subnet it to 4 equal size network.. So far i know the first IP on PC0 & PC4 I ...
1
vote
1answer
93 views

Manage Windows Server 2012 and trunk the Hyper-V VM (same physical NIC)

I'm trying to use Hyper-V to deploy a pfSENSE box inside of it. But, the scenario is: 3 VLANs VID: 1000 VID: 2000 VID: 3000 On a physical switch port, I've tagged the Server physical port with ...
5
votes
2answers
256 views

Hyper-V Virtual Switches and DHCP

What is the best way to force VLAN segregation accross multiple Virtual switches? I have probably a rather complex setup going in the effort to get essentially 4 separate virtual switches. The ...
0
votes
0answers
34 views

Watchguard m400 limit bandwith per VLAN

is that possible to limit bandwith on Watchguard Firebox m400 per VLAN? I have few vlans on one physical interfaces and I need to limit the the bandwith. I know, I can limit it per policy or per ...
0
votes
2answers
88 views

DHCP in wireless router configuration when connected to VLAN

We are attempting to create a wireless network on top of a wired network. The wireless network is will enable clinicians to use wireless devices (tablets) when seeing patients. The wired network has a ...
0
votes
0answers
52 views

Configuration of VLAN for managing computers on the other side of a switch?

I have a modestly smart Cisco SG200 switch connected to our institute's Ethernet network. To this switch, I connected four Linux and Windows computers. (So, the configuration is: one network ...
1
vote
3answers
70 views

what happened when native vlan ( let's say vlan 10) arrived at access port vlan 20?

basic scenario: PC A connected to Switch 1 ------ Switch 2 ----- PC B switch 1 has an access port vlan 10 , and also has a trunk link between switch 1 and switch 2 with native vlan 10 configured to ...
0
votes
0answers
47 views

Netgear ProSAFE S3300 Inter Vlan Routing Jumbo Frames

If I have a vlan for all 1500 MTU devices and a separate VLAN for 9000 MTU devices, will the Netgear ProSAFE S3300 fragment packets from the 9000 MTU vlan to the 1500 MTU vlan automatically or will ...
2
votes
0answers
77 views

Creating additional VLANs on Cisco SG200

I would like to create 2 separate VLANs using a Cisco SG200-series smart switch (layer 2) where the devices would not see each other, while being able to connect to the internet. The setup is simple, ...
1
vote
2answers
62 views

Why is my provider asking me to use a VLAN

We are getting a fiber PTP circuit from Verizon, and have been having trouble going live with it. Finally, through a conference call with Verizon, they tell us to configure point A as VLAN 29 and ...
-3
votes
3answers
31 views

How am I able to let my 2 PC over internet see one another as if they are on the same network segment? [closed]

How am I able to let my 2 PC over internet see one another as if they are on the same network segment?
0
votes
1answer
369 views

%Invalid interface type and number

I am trying to apply a scenario from the Cisco CCENT book where a 2811 Router uses VLANs. I have applied the network as is in the book inside my Packet Tracer. Here is the section in the book and ...
1
vote
1answer
30 views

Cisco SG200-50, accessing a network printer from 2 VLANs

The requirement is to create an additional (guest) VLAN (a Cisco SG200-series smart switch is used) so that the devices on the guest VLAN could not see those on the internal network (the default VLAN),...
0
votes
1answer
69 views

Can not ping from specific vlan tagging interface

On my box I have following interfaces(vlan tagging): eth2.556: 172.16.1.17 eth2.201: 192.168.208.143 All default route via 172.16.1.1 I can ping all other IP using 192.168.208.x, but can not ping ...
0
votes
0answers
83 views

Problems with Switch DGS-3420-26SC

I have a new SWITCH DGS-3420-26SC. Look at situation: On the first SWITCH Dlink DGS-3100-24TG, i have three VLANS: VID 99,132,100 99 this is our SERVICE VLAN; 100 this is VLAN of the neighbours ...
1
vote
1answer
111 views

Best route for setting up VLAN tagging on CentOS

Lately, I have been working to configure a centos65 server to enable VLAN tagging, this server is going to act as VM Host (kvm). On the network-switch level, the ports were configured to enable ...
0
votes
0answers
99 views

ASA 5510 Inter-Vlan routing issues

and thank you in advance for your help. I am having an issue where we are migrating from an ASA 5505 to an ASA 5510 and the software versions are quite different as well so they handle VLANs ...
1
vote
1answer
32 views

Linux: NAT from lan to a bridge results in erroneous nat between bridge components. How to fix?

Consider a machine with 3 NIC's. Two bridges are active; from eth1 to a vlan on eth0 and from eth3 to another vlan on eth0. Interfaces: auto lo iface lo inet loopback auto eth0 allow-hotplug eth0 ...
0
votes
2answers
74 views

Can a VLAN traffic affect other VLANS?

Consider 2 vlans VLAN-1 VLAN-2 VLAN-1 gets an abnormally large traffic spike from outside world. Will this affect the other VLAN and will the applications in VLAN-2 have packet loss and high ...
0
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0answers
16 views

Vlan need to reach server from ouside with public ip

My primary goal is to have number on server in vshpere that are located in one vlan that is nor reachable for other vlans in my network. Finaly i must reach server from outside by public ip (winbox ...
3
votes
0answers
94 views

Xen networking - dom0 receives ARP requests but no reachability

Both dom0 and domU are Debian 8. Dom0 network configuration is: auto xenbr0 iface xenbr0 inet manual bridge_ports eth1 bridge_stp off bridge_waitport 0 bridge_fd 0 auto xenbr0.4 ...
1
vote
2answers
273 views

KVM: Need multiple Virtual Machines to share a VLAN'ed interface

I'm not sure how to configure my Linux server which has a single VLAN'ed interface to support a number of Virtual machines which I want to bridge to my network (so that all their services appear to ...
1
vote
1answer
47 views

Consolidate multiple physical network drops to a single server (multiple servers, but each needs to go to all)

I am not a network guy, but rather a general IT guru that knows just a small bit about networking in general (enough to get myself in trouble!). My business has been growing over the last several ...
-1
votes
1answer
27 views

IPFW interface with special character

I'm new using FreeBSD and IPFW, but in my work we need to change from GNU/Linux, using IPtables, to FreeBSD and IPFW to packege filter. We have some rules in IPtables script that we need to put on ...
3
votes
1answer
56 views

How to setup embedded Linux private vlan

I am trying to setup a vlan between 2 embedded Linux SOCs on wireless IPTV STB (set top box) using vconfig. The physical connection between the SOCs is a Marvell 88E60xx switch. The issue is that the ...
0
votes
0answers
47 views

IP Subnetting vs VLAN for VoIP Traffic

I have a fairly small network with scanners, printers, phones and workstations/servers all sharing the same subnet (10.0.0.0). I am having issues with our VoIP phones and sluggish response on the ...
0
votes
1answer
143 views

Configuring azure site-to-site VPN with another network

I have an Azure VM (resource manager) already existing in a VLAN and i would like to know how can i setup a site to site connection. I have read https://azure.microsoft.com/en-gb/documentation/...
3
votes
0answers
51 views

Multiple Subnet, Same Gateway

I have a nexus3000 switch that has a L3 connection with an uplink switch. (172.18.186.129-130/30) ... In downlink, I have multiple servers and VLANs and I have a range of IP-addresses (172.18.186.0/...
3
votes
1answer
45 views

vlan qemu: guest listening from other guests

I'm trying to simulate a little network of 3 machines using QEMU where a machine (deb1) is directly connected with the host and the other 2 machines (deb2, deb3): Host ...
0
votes
1answer
42 views

Debugging a VLAN configuration

I need help debugging a VLAN configuration with two servers I have in a datacenter. I have no access over the core switch that is used but the datacenter people told me that they've created a VLAN for ...
0
votes
0answers
38 views

KVM Guest in vlan + bridge not working

I'm trying to set up a few KVM Guest on a machine with bridged interfaces and vlans. The whole configuration is done in a host with Debian, to be more specific in Kali 2.0 and it has DHCP. Im doing ...
1
vote
1answer
370 views

Cisco SG200-26 - Can't change management VLAN

I've purchased a new SG200-26 switch and upgraded it to the newest possible version: I configured multiple VLANs - nothing special - however if I try now to change the management VLAN (as I did ...
0
votes
1answer
76 views

I FUBAR'd the IP, subnet, and VLAN settings. Now how to access managed switch?

I have a Dell powerconnect 2748. I think I have done messed it up though when setting it up because so far I have not been able to access the webconfig of the switch after I changed some settings I ...
0
votes
1answer
579 views

download vpn device script configuration on azure resource manager vlan

I am trying to get the VPN configurationa of a VLAN e.g Encryption Algorithm on the new azure resource manager VLAN (as opposed to the classic VLAN) I used to get these configuration from a classic ...
0
votes
0answers
97 views

Can only ping in one direction. What

I got problem with my network. One specific connected device cannot ping the default gateway (firewall), but it can ping other devices in the network. Here is my setup Firewall (also acting DHCP) ...
0
votes
0answers
51 views

Watchguard M400 Tagging VLAN

I have a problem with WatchGuard Firebox M400. I put interface 2 into VLAN mode. I created earlier few VLANs like: 10, 20, 30, 40, 110 and 199. When im puting those VLANs in that interface, i ...
-6
votes
2answers
53 views

What is a subnet? [closed]

My company has our printers provided by a contractor via a managed service. The contractor has software installed in our network which is supposed to detect the printers and then report back on the ...
0
votes
1answer
159 views

How to isolate and use multiple devices with same IP on same network?

At work we design dataloggers, by default the logger's IP address is 192.168.0.177, how can we go about having multiple dataloggers on the network without having to reconfigure the loggers? The ...