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

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-3
votes
0answers
18 views

Routing vlans and DNS configuration [on hold]

Need advice in creating little home based networks, The need: 2 home networks (one can be wireless and one have to be wired) which the DNS configuration of each network runs into different DNS ...
1
vote
1answer
16 views

VoIP calls dropping

Currently I have a proxy server running pfSense connected to a 40mb fibre lease line. This lease line has 60 external IP addresses (assigned to each room by a virtual IP in pfSense). On the LAN side ...
2
votes
0answers
31 views

Bond on top of VLANs or VLANs on Top of Bond

Both ways seem possible. What is the better approach within Linux? Better means more efficient assuming my switch doesn't know about LACP+Tagging. Thanks!
-1
votes
1answer
49 views

Sharing a WAN connection between 3 companies [closed]

I have been asked to install a network to share a BT fibre connection between three unrelated companies. The WAN is presented on a cisco 2900 series router (managed by the ISP) with a gateway address ...
0
votes
0answers
26 views

How to setup 2 switch with VLAN and 2 IPs for each in different block

Below I have depicted the required network. In this network: Lets say GW1 is in IP1 block and GW2 is in IP2 block. There are 2 Linux running PCs with 4 NICs. 1st Linux PC is connected to 2 GWs with ...
3
votes
1answer
73 views

VLAN isolation failure with HP Procurve, Juniper Netscreen

I'm having problems with hosts being able to ping other hosts they shouldn't be able to communicate with. Fairly simple network - relevant hardware: HP Procurve 2810-24G switch Juniper Netscreen ...
0
votes
0answers
19 views

Deny DHCP-Requests for specific subnets on specific interfaces

I have a router (Ubuntu 14.04) running the isc-dhcpd-server on the interfaces em2.X (X can be any of the VLANs 2, 3, 4). Each interface has its own 192.168.X.0/24 subnet. Now I have a Windows-Client ...
1
vote
1answer
17 views

Connecting MPLS Link to Local Network

First off, I'm a vlan-virgin. We have two offices (OfficeA & OfficeB) and we have two core switches (Cisco 45XXs) in each office (OfficeA-CSW & OfficeB-CSW). In OfficeB we also have a ...
0
votes
1answer
15 views

voice vs data device authentication

When a device is plugged into a switch (let's say, a Cisco Catalyst switch) how does a switch know whether the device is a VoIP one - and subject to being placed into the voice VLAN - or some other ...
0
votes
0answers
71 views

Bridge on vlan on teaming for KVM

I have problem to create bridge on vlan on teaming. Why I do something like that? - Kvm needs bridge - Vlans because I need vm’s in different subnets - Teaming in option active-backup (small HA) I do ...
0
votes
1answer
44 views

Adding a VLAN to Multiple Aliased (Virtual) Interfaces

I have a server running centOS 4.6 with 4 NIC ports. I successfully set up 2 ports with 32 virtual interfaces to handle my VLAN-untagged connections and have no issues with that side of things. ...
0
votes
0answers
15 views

VLAN on access port between Dell6248 and 5548

I have a Dell 6248 which is connected to firewall through Dell 5548 6248 (g23)-----(g48)5448(g43)----(x0)sonicwall Below is the vlan config of 6248 interface vlan 4 name "Four" routing ip address ...
-2
votes
1answer
44 views

Which VLAN should a secondary server NIC go on?

We have just upgraded our SAN backend with 10 Gbps connectivity and we have a few Windows servers that currently use a 1 Gbps connection, which we would like to upgrade by adding 10 Gbps NICs to. Part ...
1
vote
1answer
36 views

Vios x LPAR Clients - SEA relationship

I am developing a script to list all SEA adapters in a VIOs, their related physical, virtual adapters, along with their status and VLAN TAG ids. I wish to include on this script the VIO clients ...
-2
votes
2answers
40 views

Vlans without assigning ip address [closed]

I have a 6248 Dell switch with following vlan's created interface vlan 2 name "ISCSI1" exit interface vlan 3 name "ISCSI2" exit interface vlan 4 name "CSV" exit interface vlan 5 name ...
0
votes
0answers
32 views

pfsense routing with dmz wan and sonic wall

Pfsense setup: 2 physical NIC's (1 input from modem/ISP, 1 LAN with a lot of vlans and DMZ) Network setup: WAN block from ISP xxx.xxx.xxx.225/28 Modem -> pfsense -> vlan 40 (192.168.40.0/24) ...
1
vote
0answers
39 views

Trunk vlans inside openvz container (Proxmox)

I have a node running OpenVZ CT (ProxMox). eth1 on HN are bridged through vmbr1 to veth device on CT101 (eth1 inside container). (Host Node) eth1 -> vmbr1 <- veth101.1 <- eth1 (CT101) No ...
0
votes
0answers
27 views

ARP/ICMP in a network environment with overlapping IP address

Currently I have lab network setup to mimic customer's network deployment. (According to the customer, they are using VRF over VLAN so that their customer can have overlapping network connecting to ...
0
votes
0answers
24 views

Watchguard VLAN Head-Grasping needed

I am trying to wrap my head around setting up my new watchguard M400. Here's what I need to figure out and what I've done so far. My ISP provided me with a P2P IP, which I plugged into my interface ...
0
votes
0answers
6 views

DLink DAP-2310 wifi with internet access only? [migrated]

I have a DLink DAP-2310 access point connected via LAN to a router (Fritz!Box) with internet access. I want to configure the access point to provide a wifi network that gives internet access only, no ...
0
votes
0answers
58 views

Draytek Vigor 2860 multiple external IP-addresses

I've bought a DrayTek Vigor 2860 for my company network. And I'd like to use it for two VLANs with separated external IP's. I have 6 LAN ports on my DrayTek. For example: External IP-adres: ...
2
votes
1answer
124 views

Cisco Voice VLAN with 802.1X Authentication

I've got a Cisco Catalyst 2960 that I'm trying to configure for a remote office with 802.1X wired authentication. The setup I'm going for is Switch -> VoIP Phone via Internal Switch -> ...
0
votes
1answer
54 views

Can ping in Only one Direction within VLAN using tagged and untagged ports

The following setup: Two linux hosts s=server, c=client One switch which is fully VLAN capable Tagged port setting and tagging enabled on the server/switch side Untagged everything on the client ...
0
votes
1answer
32 views

Managing VPN-based users/VLAN access to a test environment

I'm involved in the setup of a demo/user lab environment comprising several racks of server kit. The idea is that potential hardware/software customers can be given a VPN account that will allow them ...
0
votes
1answer
64 views

Need VLan to route to Internet

I have a Sangoma box here. This is Lync in a box... There is AAR Reverse proxy (VM) on the server and it has an IP of 10.10.9.7 on The "External" interface. I have 10.10.10.5 on the "Internal" ...
0
votes
0answers
36 views

Vlan trunk between three switches and KVM Guests

I'am trying to find information regarding the appropriate configuration between three switches and KVM. More depth as per diagram. I need to create a tunnel for traffic created on sw1-port5 to be ...
1
vote
1answer
58 views

multiple subnets on the same switch(es), how can I isolate it?

I am by no means an expert when it comes to networking, I've inherited one which I am pretty much sure is wrong and due to my lack of experience I have no idea how to clean it up. The network looks ...
0
votes
1answer
66 views

Correct way to setup VPN/VLAN for small business NETGEAR FVS336G

My current employer has a horrendous setup for his internet, 2 Virgin Media cabled lines with routers that you'd use at home. So we've had Fibre Optic installed and a Pool of 5 Public IP Addresses. ...
0
votes
0answers
26 views

ebtables captive portal bridge vlan

http://s16.postimg.org/e5nu6g1md/bridgevlancaptive.png Attached link image is based on my project about captive portal. As you can see on the image i have diagram on LEFT side which is WORKING ...
16
votes
3answers
209 views

Phones on some switches cannot complete DHCP process

Background I have a Windows DHCP server (Server 2008 R2) handing out addresses for several scopes. One of those scopes is for some Mitel IP Phones. The phones are configured to use dhcp option 125 to ...
0
votes
1answer
111 views

Hyper V 2012 R2 private virtual switch with trunk and access mode switches

Is it possible, using Hyper-V 2012R2, to construct a Virtual Switch internal to Hyper-V (no external connectivity necessary or desired), where one switch participant (VM 0 in the diagram below) has a ...
0
votes
2answers
96 views

PFSense IPSEC VPN VLAN

We are integrating with a third party and they require the use of a L2L IPSec VPN for communication. I have successfully configured the IPSEC vpn and the tunel is up but now I cannot seem to have ...
0
votes
1answer
52 views

Clients connected to “vlan hub” can't access internet on dedicated, natted vlan

I'm trying to get my network up and running with my new provider's vdsl router, which can't operate in "modem-mode" or "bridge-mode". My setup so far is as follows: I have two managed switches, ...
1
vote
0answers
25 views

Windows Server spamming devices on other subnets on port 445

I have a Windows Server 2012 that every few seconds sends packets destined for port 445 on local IPs on other subnets. The IPs on other subnets it is trying to reach are devices such as VoIP phones, ...
2
votes
0answers
66 views

Debian does not shut down interface with ip link set … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...
3
votes
1answer
48 views

IP Routing on All Switches or just Core

I have 1 core switch in our MDF for server equipment and 6 data closet switches that connect clients. At this point I only have IP Routing enabled on the core switch so all IP routing is done in one ...
1
vote
0answers
57 views

VLAN configuration on HP J9279A

I've tried to set up separate VLAN for lab environment on one of my HP switches (J9279A/J9280A). Network schema: WAN | GW | ...
2
votes
2answers
190 views

Ubuntu Linux, Bonding, and VLANS - Can I configure all interfaces to be tagged? IE: Bring up BOND0 interface without an IP Address

I have a server with multiple adapters in a bond, bond0. I am not sure (even after extensive research) how to bring up the bond0 device without an IP address. I want the VLANs to use bond0, but not ...
0
votes
0answers
62 views

Layer 3 switch redundancy solution (with vlan's, stp)

So basicly I have a setup which I want to get to work but i'm unable to. It's possible I am overseeing a lot of things but let's get to it anyways. The current situation is a network with 4 switches ...
-3
votes
1answer
45 views

How to efficiently subnet a network [duplicate]

I have base ip address 10.6.0.0/16. I need to divide this network into 12 subnets, and I need at least 80 computers in one network. Please explain how to calculate correctly subnets. I understand that ...
0
votes
1answer
62 views

How to connect to external server using router from VLAN's

I am newbie. I am trying to build network system in Packet Tracer. Now I have such network layout. I have different VLAN's Accounting and Sales. I have configured this using subinterface in ...
0
votes
1answer
292 views

Mikrotik RB2011U vlanning

I am having trouble getting port based vlanning/trunking working on a Mikrotik RB2011U. I have been following the guide located here: ...
1
vote
1answer
72 views

HP ProCurve Vlan Isolation

Okay, so we have an HP ProCurve Switch 2824, a Zyxel router and a bunch of 2012 R2 servers. We currently have 3 VLANs in our network: 10(Public),20(Private) and 30(Management), but we'd like to have ...
0
votes
1answer
94 views

enable lacp mode active on isr 2951

Any idea if ISR 2951 support LACP ... i don't see any cli command to enable it. My router IOS version is 15.2(4)M7. Can you help please. below is my config: interface Port-channel1.1 description ...
1
vote
1answer
410 views

CoreOS - Starting Docker containers on specific VLANs

This is an addition to this question about how to setup VLANs on CoreOS [CoreOS bare-metal vlan networking. My question after is after you set this up, how do you use it? How do you start a ...
0
votes
0answers
33 views

HP IP Routing Topology

We have 1 main HP Switch in Server Room and 6 other data closets switches that connect the clients. In terms of routing we have 3 VLANs that require routing. Right now the only switch that does any ...
0
votes
1answer
62 views

HP RIP on LAN Topology

We have 1 main core HP Routing Switch in server room that connects other data closet switches and 6 Data Closet switches that connect the clients. We only have 3 VLANS. I have 2 questions: 1.) ...
0
votes
0answers
66 views

How to config private IPs for IPMI using VPN?

Recently I discovered it is best to protect my IPMI web interface behind a VPN. I went ahead and installed OpenVPN on my server and connect to it using tunnleblink on OSX. The VPN part is all set and ...
0
votes
0answers
271 views

Zyxel GS1920-24HP LLDP-MEP LLDP VoIP

I've edited this post to hopefully conform with what is expected from a question. What i'm trying to achieve I belive is quite simple. I have a Zyxel GS1920-24HP and two routers giving out DHCP on ...
1
vote
2answers
425 views

Linux is sending ARP requests to hosts in other subnets?

Setup Host B <--> Router <--> Host A Host A: IP = 192.168.1.10, Net = 192.168.1.0/24, VLAN = 1, Default GW = 192.168.1.1 (Router) Host B: IP = 192.168.2.10, Net = 192.168.2.0/24, VLAN ...