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
1answer
349 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
546 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
1k 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
663 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
258 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 ...
11
votes
2answers
970 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
56 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 ...
5
votes
1answer
2k 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
325 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
164 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
304 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
80 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
6k 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
600 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
3k 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
333 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 ...
1
vote
3answers
2k 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
803 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
83 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
317 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
53 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: ...
1
vote
1answer
937 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
219 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
123 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, ...
7
votes
1answer
7k 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
92 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
91 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
108 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
1k 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 ...
2
votes
3answers
3k 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; ...
1
vote
0answers
2k views

OpenWrt on TL-WR1043ND - VLAN to VLAN communication

I have this network configuration at home: 3G Wifi router - for access to internet, 192.168.1.0 subnet Router TP-Link TL-WR1043ND - OpenWRT (12.09), 192.168.2.0 subnet, connected wirelessly via ...
2
votes
1answer
276 views

How to split LAN into two separate LANs using same internet connection

I have a router ZyXEL P-660HN-T3A and Switch ZyXEL GS1100-24 and I need to separate 2 ports on switch so clients connected to this ports can't see/access the others. I need the same thing to do with ...
-2
votes
1answer
147 views

Cisco Switch VLAN vs ACL [closed]

I am trying to create a VLAN in which my PS3 can access a remote PC that feeds it video. I want my PS3 not to be able to communicate to the internet, and be able to move that remote PC into the same ...
0
votes
2answers
613 views

Separate WebBlocker settings, using one Watchguard XTM 505?

I support a school with 3 locations that uses a Watchguard XTM 505. They are implementing a BYOD wireless solution with Aerohive APs, and they will have 3 SSIDs (School, Guest, BYOD). Each SSID needs ...
-2
votes
2answers
315 views

Linux Bridge allowing TCP but not UDP

I am using a linux bridge for monitoring some traffic on two vlans. I created two bridges br30 et br40 for each. My problem is that the TCP traffic make it through but not the UDP one. I thought of ...
1
vote
1answer
92 views

VLAN over three switches

We are connecting three offices via fiber optics. For each office we have one switch. In each office there will be one PC which has to be isolated in a VLAN A. There will be other PCs but those three ...
2
votes
2answers
978 views

VLAN Traffic changing source when captured at firewall

1) HP Switch config below 2) Fortinet Policy in attached image Right now, we are a flat network of roughly 320 wireless devices, and about 100 wired devices. We have a FortiGate 300C firewall with a ...
1
vote
0answers
565 views

debian KVM - network bonding fails with vlan and bridge

i have a Debian 6 system configured with 2 NICs these NICs are used on a bond (bond0) which is used by bridge that require to use VLAN. i can get connection between guests running on VLAN10 but it ...
2
votes
3answers
1k views

What do I do with the default VLAN 1 on a 3Com 4210?

I am a bit confused as to how to use the default VLAN on a 3Com 4210. The switch is configured out of the box with all ports on a default VLAN 1. I need 4 VLANs on this switch: 100 - Internal WIFI ...
0
votes
1answer
729 views

VLAN & WiFi & DHCP with Cisco SG200

I'm trying to configure a small business network with one Cisco SG200-26, a Linux server and two TP-Link TL-WA801ND. I have set up the APs to have two different SSIDs, Public and Staff, and have ...
0
votes
2answers
685 views

How can I connect a VPN and VLAN via a Cisco ASA?

I'm trying to extend a VPN further into an organisation: At the main location I have a private network (call it 192.168.0.0/24) which is connected via a Cisco ASA 5510 to a Draytek ADSL router. The ...
-1
votes
1answer
492 views

Routing between Vlans on layer 2 switch and Cisco router [closed]

Hi I'm quite new to networking and need some help with a home configuration... I have an 8 port TP-Link SG3210 layer 2 802.1Q tag capable switch and a Cisco 1801 router. I set up 3 Vlans on the ...
1
vote
0answers
482 views

Ghost “vlan 0” tags added to ethernet frames in CentOS guest under OpenStack

I'm trying to debug an issue involving a KVM virtual machine instance where the instance doesn't respond to network requests when the source is on another physical machine, which is on the same subnet ...
2
votes
1answer
3k views

Configuring trunk interface in Cisco 3750 switch to allow multiple Vlans connected with Ubuntu servers having a single NIC (sub-interfaced)

I have 3 Ubuntu servers (each having only 1 NIC) for my openstack cluster configuration following the guide of http://docwiki.cisco.com/wiki/Cisco_OpenStack_Edition:_Folsom_Manual_Install I also have ...
0
votes
0answers
140 views

Is it possible to set up a management VLAN on HP switches without configuring routes on the WAN routers?

The network I help manage/maintain is configured like so: Location A - 10.0.0.0/22<br /> Location B - 10.0.4.0/22<br /> Location C - 10.0.8.0/22<br /> etc. Our ISP owns and ...
2
votes
2answers
175 views

Isolating Ethernet ports on a Cisco Nexus 5000

We have several machines plugged into various ports on a Cisco Nexus 5000. We want to separate the switch into groups, so a handful of machines can see and talk to each other and no one else. So, to ...
1
vote
1answer
271 views

Default Gateway in a VLAN

Could I have a router/firewall device providing WAN connectivity, part of a VLAN on a switch? For example: 2, L3 Switches. 2 VLANs DefaultVLAN 10.1.1.0/24 VLAN100 192.168.1.0/24 Two ...
1
vote
1answer
830 views

VLAN Gateways and Routing

This for hypothetical purposes - more of a learning question than an production question. If I have switch (Layer 3, lets say a Procurve) with a handful of VLAN's configured. Lets say: DEFAULT VLAN ...
0
votes
0answers
36 views

ASA 5505 base license and Voice vlan [duplicate]

My current setup contains a cisco asa 5505 with two cisco sf300-24p switches, the data and voice vlans have been setup on the switches and I've started to setup the needed vlans on the ASA, but it ...
0
votes
2answers
97 views

Placing WAN Subnet on a VLAN?

I have several hosts I want to connect directly to my WAN subnet, eg., 1.1.1.1/29 (web, mail, and router for LAN). I have a web managed switch (DGS-1210-24), and was wondering if there were any ...