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

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4
votes
1answer
288 views

Designing segmented LAN with fairly shared hi-speed internet access on a tight budget

With another member of the owners' association, I've been tasked with designing and setting up shared, hi-speed, internet access, for our apartment building. We have very little budget and hope to be ...
0
votes
1answer
207 views

is it possible to use ms loop back adapter to setup local vlan

Is it possible to use Microsoft Loop back adapter to set up Lan connection between two computer which is logically isolated from the main network? 1st computer: has a regular ip stack 192.168.1.x ...
2
votes
2answers
534 views

VMware ESX: Unable to delete PortGroup. 1 active ports

At work we have an ESX 4.1 cluster with some vlan's (Port Groups) configured on a vswitch on each host. A lot of these port groups aren't in use anymore so we decided to clean them up. We don't have ...
4
votes
2answers
340 views

VMware vSwitch and double tagging (QinQ)

I'm experiencing an issue while trying to pass double tagged through a vSwitch. A physical interface on the VMWare host machine is receiving double tagged traffic - the outer tag differentiates ...
0
votes
0answers
115 views

Single VLAN ID out of 5 not working in Hyper-V 2012 Cluster / SCVMM 2012 SP1

I am having strange issues with one specific VLAN in a Hyper-V 2012 cluster. The cluster has 3 servers, each one has a "Management" adapter for management traffic and "VM Data" adapter for virtual ...
2
votes
1answer
361 views

SR-IOV on KVM hosted guest using tagged vlans

I have read a few posts here on NOT using tagged vlans in KVM because of the emulated e1000 drivers, but I have a situation where I need to use tagged vlans. Because of this we used SR-IOV enabled ...
-2
votes
3answers
100 views

Cisco switch inter-vlan access

I have Cisco Catalyst 2960-s switch and I want to configure three Vlans (A; B; C) I want to : Allow traffic between A and B Allow traffic between A and C Block traffic between C and B or if ...
1
vote
0answers
70 views

Linux as gateway with VLANs failing for local network

We have a private VLAN being routed out from a host connected both to it and to our public network. Hosts on the private VLAN have the private IP address of the gateway host (10.2.2.82) set as their ...
0
votes
1answer
799 views

Unable to access VLAN host from VLAN interface in CentOS

I am playing with VLAN (Virtual LAN) configuration on CentOS 6.4. I have 2 interfaces, eth0 and eth1. I have configured 2 VLAN interfaces eth0.20 and eth0.30 as #file: ifcfg-eth0.20 #------------- ...
-2
votes
1answer
71 views

How can i configure different multiple vlan with dhcp server with a single ip subnetting [closed]

Hello every one out there!! I got a issue i would like to share with you, expecting to have it sorted out. I want o set up vlans on my network, in order to separat same department,which can be about ...
0
votes
0answers
107 views

Second VLAN to WAN Draytek 2850

I have a Draytek 2850 that routes LAN1 to WAN1 as specified, but am yet failing to use a seperate VLAN for a WLAN-AP (Netgear WNAP210) with VLAN ID 2 to connect to WAN1 via LAN2. Network Setup is as ...
-2
votes
1answer
100 views

VLAN routing setup with VPN on Cisco ASAs

We currently have two ASA5515-X firewalls, what we want to do is dedicate one of them to providing AnyConnect VPN and two site to site VPNs only, with the second ASA handling firewall ACLs for ...
0
votes
1answer
76 views

Provide Internet To Two Networks One Connection

Currently we have one network set to 192.168.1.x and is set via DHCP providing internet to all machines on that network. Recently we've began development on programmable logic controllers that are ...
5
votes
1answer
255 views

Tag/Untag VLANs from Port Perspective on HP Switch

I'm familiar with vlans and tagging, and we usually use the command line interface for our HP Layer 3 switches. I've done quite a few: vlan 10 untagged 21 I've always wondered if this was possible ...
0
votes
3answers
128 views

make web portal visible on two different vlans on same interface

We have recently set up a new Aterisk pbx server based on our previous pbx (also Asterisk) which was installed by an external company. We've kept the configuration of the server the same, all we did ...
1
vote
1answer
178 views

HP N40L / Intel 82574L VLAN Leakage

This is a follow on from a previous question (Switch sending DHCP packets to wrong VLAN) but the problem turns out that it's not with the switch, but more so in the NIC hardware I believe. Basically, ...
0
votes
1answer
57 views

Separate static ip's from one port on modem with smart switch

I have a network where our service provider gave us one port on our modem that has static ip's. Was confused on how to separate these ip's. I was going to use a smart switch with vlan as such: vlan 1 ...
2
votes
1answer
375 views

Domain Based Port Forwarding with VLAN routing [closed]

At my new workspace I want to setup a network that enables me to deploy my web development work on Dev, Test and Accept servers (VMs) with (controlled) access from outside the network - based on ...
2
votes
1answer
658 views

D-link DAP-2590 VLAN configuration

So we have been fighting this issue for well over a year. It's been so long that I am having to relearn the configuration today. Here's the situation. We're running several D-Link DAP-2590's with ...
2
votes
3answers
574 views

VLANs using one managed switch or link router to unmanaged switches?

I'm the resident IT guy in an office with about 20 workers, amongst 3 separate companies who sublet an office. We are wired with 24 ethernet ports dotted around the offices that all lead to a patch ...
2
votes
1answer
196 views

Same VRRP group, multiple VLAN

Let's say a gateway has traffic between vlan 11 and 22: Gateway 1 -- FastEthernet 0/1.1 -- vlan 11 -- 192.168.11.1 Gateway 1 -- FastEthernet 0/2.2 -- vlan 22 -- 192.168.22.1 Gateway 2 -- ...
0
votes
2answers
225 views

Sharing internet to Private WAN routing

I'm trying to help out with sharing internet over a private WAN installed between two sites, unfortunately the routers are controlled by a company that won't respond to support requests, but they have ...
2
votes
1answer
296 views

Multiple VLANs in the same subnet

Is it possible to have multiple VLANs in the same subnet, with the same gateway address (TMG)? I want to avoid having many Subnets (and vNIC's in TMG) just to isolate sets of a few hosts. IP: ...
0
votes
3answers
357 views

Ruckus wireless AP and Dell PowerConnect configuration problems

We are working on trying to get some Ruckus Access Points to work correctly on our network. Currently our network is as follows: VLAN 10 - Servers VLAN 11 – Computers/DHCP VLAN 12 – Voice VLAN 13 – ...
0
votes
1answer
148 views

VMWare Workstation and network isolation

When I install VNC or some other RAT to a container in my VMWare Workstation machine box, what ways can I prevent access to my local network and other machines on my network. Is this where setting up ...
10
votes
2answers
509 views

Encryption over gigabit carrier ethernet

I would like to encrypt traffic between two data centres. Communication between the sites is provided as a standard provider bridge (s-vlan/802.1ad), so that our local vlan tags (c-vlan/802.1q) are ...
0
votes
1answer
51 views

Offloading backups to secondary network

I'm trying to solve a problem- Currently, we are constantly backing up and have no budget for additional servers. Our production network is still a 10/100 and handles voip, SQL plus our backup ...
3
votes
1answer
616 views

Send trunk directly to vm in HyperV 2012

I'm setting up OpenBSD as a VM in HyperV 2012. It would be easier for me to just create one interface on the vm and have OpenBSD take care of setting up the vlans. Is it possible to tell HyperV to ...
1
vote
0answers
160 views

Cisco vlan entry missing in vlan.dat, but appears in running-config

One of our vlan's (ID: 104) stopped working suddenly and computers on that vlan failed when trying to obtain a dhcp ip address. On the Cisco switch if we do show vlan, this command is supposed to ...
3
votes
1answer
129 views

Unicast traffic between hosts on a switch leaving the switch by its uplink. Why?

I have a weird thing happening on our network at my office which I can't quite get my head around. In particular I can't tell if it's a problem with a switch, or a problem with configuration. We have ...
1
vote
1answer
198 views

Access ESXi via the exclusive network management interface for an IPMI board

I would like to know if it's possible to access the ESXi configuration through vSphere using an dedicated network interface for IPMI connection with the motherboard. We have some Supermicro boards, ...
-1
votes
1answer
65 views

Filter incoming span feed to a single vlan

I have a span feed coming in on an un-addressed interface of a linux (centos) box. eth4. The span contains several vlans. I have an application which can grab packets from an interface ...
1
vote
1answer
2k views

Setting Up VLANS between a Dell PowerConnect 2824 and 2716

Goals: - Have two Dell switches trunked together with 1 cat5 cable. - Have VLANs of the same number/name passing traffic from switch to switch. - Not allowing any traffic from one VLAN to pass to a ...
0
votes
1answer
193 views

VLAN and Active Directory: complementary or substitute? [closed]

I recently encountered a network design that heavily implements VLANs but does not make use of a dedicated identity and access management system such as Active Directory or OpenLDAP. And yet another ...
0
votes
2answers
1k views

Difference between trunk and tagged port

I am reading some wikipedia articles and RFC 5517, studying VLANs, and I don't recognize the difference between a trunk port and a tagged port. From what the material I am reading says, a tagged ...
-1
votes
2answers
190 views

NIC teaming and vlan support in linux

Doeas anyone has idea about vlan support in linux with NIC teaming/bonding.In case of a switch I am not able to communicate however if I remove multiple vlan interfaces from NIC , I am able to ...
0
votes
3answers
853 views

KVM 802.1q (tagged VLAN setup)

I've done a lot of reading about VLAN tagging in KVM bridged networks, but am getting very confused as to what needs to be tagged (the physical network devices, or the bridges attached to those ...
0
votes
1answer
460 views

DHCP server with multiple scopes is issuing the wrong IPs to VLANs

We're restructuring our network, and configured our router/dhcp server as follows: # public internet connection auto eth0 iface eth0 inet static address 192.168.10.10 netmask 255.255.0.0 ...
0
votes
1answer
77 views

Best option for having ethernet (level2) switch simulated on typical ethernet level3 switch/router?

I have two Linux servers which are going to be connected to typical l3 switch/router. They will both have assigned one public IP number per each ( let's say: pub.ip.n.1 and pub.ip.n.2) by IT. Q1: ...
2
votes
1answer
259 views

In what scenarios is untagAll (access) VLAN port mode useful?

On my Avaya ERS2550T switch each port can be set with a native/primary VLAN I can assign other secondary (depending on the mode) VLANs that will be associated with this port. I can configure ports ...
-2
votes
1answer
46 views

vlans communicate with each other

I am setting up three vlans in a cisco router with the following configurations. Vlan 10 Subnet: 192.168.1.0/24 Netmask: 255.255.255.0 Gateway: 192.168.1.1 Vlan 20 Subnet: 192.168.2.0/24 Netmask: ...
0
votes
1answer
635 views

Hyper-V/SCVMM 2012 VLAN ID's not working

I am having issues getting multiple VLAN's set up on my Hyper-V cluster. Here is the scenario; I need to have 2 separate (potentially more in the future) VLAN's to span across the Hyper-V ...
-1
votes
2answers
115 views

how to receive MAC multicast packets based on VLAN interface?

can any one pls help me in the following question. Background : Two PC's(PC1 n PC2) with two VLAN interfaces in each (eth0.2 and eth0.3) respectively.The PC's are connected by WRT54GL router in ...
0
votes
1answer
78 views

Create non-vlan interface with vlan-interface type name

I have 2 interfaces: bond0 and bond1. bond0 is connected to a trunking port, i.e. will be assigned vlans like bond0.10 bond1 is connected to a static port for vlan 20. So as far as connectivity goes, ...
3
votes
0answers
4k views

OpenWrt Configuring Tagged and Untagged VLAN on the Same Port

I have installed OpenWrt on a MikroTik Routerboard RB750UP (AR7240 CPU with AR9330 built in switch). I have included additional details below, but my question is: How do I configure an untagged and ...
2
votes
2answers
89 views

VLAN & Communication

I'm working on a project regarding Network Security and I've come to the topic regarding VLANs. I was wondering if it is possible to set up multiple VLANs (VLAN0, 10, 20, 30) in a way that all VLANs ...
0
votes
1answer
58 views

Isolating Internet-accessible internal hosts from each other

I'm a sysadmin in a small company, and have what I would describe as a moderate understanding of networking. I'm trying to create a situation in which a number of internal hosts are accessible over ...
0
votes
0answers
70 views

ASA 5505 Dedicate WAN Route to Voice Vlan

I've Got multiple WAN connections currently and I plan on moving towards a Active/standby Configuration in the near future, I have two asa 5505's with SecPlus licenses, the device is currently ...
2
votes
2answers
383 views

How do I route an external IP address to a internal one, from two different VLAN's? [D-link DGS-3324SR]

(Apologies in advance for not being an network savvy guy) I have four VLAN's configured on a 24 port D-link DGS-3324SR. Each VLAN has 6 ports. The first VLAN has a connection to a modem providing 16 ...
1
vote
3answers
2k views

iptables: match only untagged traffic on an interface with VLANs

As far as i know, there is no way of distinguishing VLAN traffic in iptables on the master interface (that is the interface to which virtual VLAN interfaces are added with vconfig or ip link add link; ...