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

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2
votes
0answers
52 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
258 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
28 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 ...
0
votes
1answer
50 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
60 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
87 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
83 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
67 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
votes
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
70 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
207 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
40 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
25 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
46 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
46 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
118 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 ...
3
votes
0answers
50 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 ...
3
votes
1answer
38 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
36 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
37 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 ...
0
votes
1answer
220 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
74 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
416 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
76 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
41 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
48 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
107 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 ...
0
votes
0answers
46 views

Trying to create one ip subnet in two vlans bridged

The question is am i missing something while creating the bridge between two parts of the same ip subnet? What I am trying to do is to limit local services(by firewall) available to one of ssid's of ...
0
votes
2answers
135 views

Two IP address on one network adapter over macvlan

On Debian Linux dist I need two IP address with different mac address. On each of them one server will run on port 80. So i need something like this: ip: 192.168.2.1 mac: xx:xx:xx:10:xx:xx ip: ...
1
vote
1answer
58 views

Basic VLAN setup help needed, HPV1910 Switch->SonicWALL 3600

I'm struggling to get a basic VLAN working across my equipment an HP V1910 switch and a SonicWall 3600 router. Here is what I have: HP V1910 VLAN 1 - Mgmt 192.168.10.x VLAN 20 - Wireless ...
0
votes
1answer
36 views

Rapid VLAN assigment on huawei quidway s2300 switches

I'm newbie network enginner wondering is there a way to assign same vlan to multiple ports rapidly (not separately)? Somehow like this: "int eth 0/0/1 0/0/9 0/0/15 default vlan 101"
0
votes
0answers
38 views

Two virtual trunk ports on RHEL

Is the following setup doable on Linux? Given one physical interface eth0, I want two virtual interfaces: vnet0 - carries VLANs 1,2 vnet1 - carries VLANs 3,4 Both interfaces should receive the ...
0
votes
1answer
39 views

Using VLANs to simplify wiring setup

Our office is set in two different floors. Both floors have managed switches, with a single ethernet wire connecting them. Here are some bullets of what I have on each floor: 1st floor Firewall ...
0
votes
2answers
110 views

Assign VLAN to multiple ports in SonicWALL TZ300

I have a SonicWALL TZ300 with Cisco SG200-08 smart switches. My X1 interface is my WAN and my X0 interface is the default LAN. My X2 interface is 192.168.1.1 and is in a custom public zone (LAN2). I ...
1
vote
0answers
69 views

Adding multiple vlan interfaces into bridge (ovs)

I am adding multiple vlan interfaces (eth3.409, eth3.410, ...) to a bridge, furthermore I also add the eth2 interface (local network) to the bridge. eth3 is a trunk with 13 different vlans. The ...
1
vote
1answer
499 views

CentOS, KVM, VLANs and bridging

I need help designing networking for virtualized guests using KVM. My machine is running CentOS 7 and has 2 NICs. I'd like to achieve the following One physical interface (em1) shall be used for ...
0
votes
1answer
109 views

Tagged and Untagged Cisco vLAN port

I have a whole bunch of Dell switches I support and most of our users have a VOIP phone on vLAN 999 and a PC on a couple of vLANs. On the Dell switches I simply set the PC's vlan to untagged and then ...
2
votes
0answers
88 views

Multi vlan internet access via Watchguard

i'm pretty new to network and routing so i would appreciate some tips on this. I have a firewall(watchguard x1250e), connecting to a switch(Nortel Baystack 5510) with multiple vlans for internet ...
1
vote
0answers
155 views

Using KVM with macvtap and VLANs for VM

I want to use the optimizations given for the ASAv (Page 18) which should run with KVM. I am using Ubuntu 14.04 LTS and I should configure macvtap for an higher performance. It just says the ...
2
votes
0answers
67 views

802.1q VLAN echo replies do not include VLAN ID

I am running a SLES11, SP4 kernel on 2 systems. I have 2 NICs connected through a Netgear GS724T switch. I have configured VLAN 400 on the switch. On system 1, I create a VLAN 400 on eth0 called ...
0
votes
0answers
87 views

How to route traffic between tagged and untagged traffic on Juniper EX3300 switch?

I have 3 different subnets as below subnet1: 11.11.11.0/24 tagged with vid 1111 subnet2: 22.22.22.0/24 untagged subnet3: 33.33.33.0/24 tagged with vid 3333 now machines in subnet2 want to ...
1
vote
1answer
104 views

How to Connect Multiple Devices with the Same IP to a Windows PC

I'm working on a project that need to use a Windows PC/Server to control multiple identical devices through Ethernet. Obviously, those devices cannot be connected directly to the Windows PC/Server due ...
0
votes
0answers
36 views

Route WAN traffic to router which is placed behind switch first

Would be possible to do the following as it is at image? I would like to send all traffic coming from internet to Router with FW first and then to the LAN. I thought this could be achieved by using ...
8
votes
1answer
685 views

Are VLan's used to split my switch into segments?

I'm trying to plan for the following Small Office network setup: 3x Internet connections Things connected to the port in each colour can only get routed through their corresponding internet port. ...
3
votes
0answers
180 views

VLAN Communication between Cisco ASA 5510, and VMWare ESXi 5.5

I've having a problem, where my Cisco ASA 5510-v8.2 can't communicate with VM's in a VLAN specific port group. The Cisco ASA is currently sitting in front of a group of VM's that have public IP's. ...
0
votes
1answer
84 views

Getting a VLAN IP address

is there anyway to get a static IP address from a VLAN port on a CISCO switch ?. what I'm looking for is a software weather it's a Linux or windows software when I plug Ethernet cable from my laptop ...
0
votes
1answer
181 views

Is there any way to configure a vlan interface on linux to only receive the untagged frames?

Scenario: eth0 trunk interface with vlans 10 11 12 13 14 15 native vlan on switch configured to 10 eth0.11 vlan interface, sees any traffic that came in on eth0 tagged with vlan 11 ... ...