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

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1answer
17 views

“route” sub-command does not exits in “ip” command on Cisco 2960-S

I am new to cisco. I'm running a Cisco 2960-S and defined several VLAN on it. I like to use SVI feature and set 192.168.1.254 ip address for interface VLAN 1, 192.168.2.254 for interface VLAN 2 and so ...
-2
votes
0answers
13 views

Configure VLAN on desktop using intel server network adapter

I have an old Intel pro/1000 PT quad port installed in my desktop computer Windows 8.1 Pro. All ports works great, but i want to manage VLAN. I've read that was possible with Vista, but became ...
1
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0answers
25 views

VLANs with mixed MTUs trunked over a LAG

I'm contemplating enabling Jumbo frames for a specific network/VLAN (a dedicated storage network). Ports are spread across two switches, linked together using a LAG, which is configured to carry all ...
0
votes
1answer
20 views

Basic Vlan questions

I've been "awarded" with IT infrastructure manager possition as I'm the "good with computers" guy in my small office. Nedless to say they have made a huge mistake, I have no clue.... I'd like to ask ...
1
vote
3answers
98 views

Forward traffic between VLANs with iptables

We're having the following 4 VLANs on my network, connected to an Ubuntu Linux box with DHCP. This Linux should act as the L3 router as well. VLAN 10 on interface eth1.10 with subnet 10.10.10.0/24 ...
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0answers
17 views

pfsense inter vlan slow speed

In our company we use pfsesne 2.3 as a router. Problem is with inter-vlan transfer, which is very slow about 150kbit/s in both ways. Its very strange , network is 1GB , transfers inside vlan's are god ...
-1
votes
1answer
25 views

Set Internet Access for VLAN + Default Gateway + DHCP Client

I have a question that make my mind so bussy. I would appreciate if anyone guide me about this. So let me explain: Firstly consider We have bellow devices: Devices: 2 L2 Managable Swiches 1 ...
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0answers
19 views

Can't transmit from multiple virtual vlan id interfaces on same interface

I'm creating virtual interfaces of vlan id on same interface, i.e: eth0 - the main interface with ip 0.0.0.0 . eth0.1 - tagged interface under eth0 with ip 10.0.0.1 . eth0.2 - tagged interface ...
0
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1answer
33 views

Cisco 3750G: Tagging and untagging traffic on a port

I have the following setup: [phone]-~-~-~-(port-10)[Cisco 3750](port-24=trunk)----[servers] I want the phone to talk only on vlan (say 1940), where-as Cisco switch to untag/tag its traffic, as goes ...
1
vote
0answers
35 views

Small business network vlans and hyper-v configuration

We are a small business and have been successfully running one Hyper-V 2012 R2 vmhost with many Windows Server 2012 VMS that includes a DC, Web Server, CRM Server and SQL Server for a couple of years. ...
0
votes
1answer
30 views

debian networking does not restart properly

I have a Debian 8 machine, where I've configured two VLAN interfaces in /etc/network/interfaces. Now I've deconfigured it (deleted information from interfaces file), restarted networking, and now it ...
0
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1answer
48 views

Ip addressing for serial routing

I have the following packet tracer diagram: I have range of ip address : 10.0.0.0 - 10.0.255.255 I need to assign ip addresses from this range to the routers' serial interfaces as well as subnet ...
0
votes
2answers
21 views

How can I see whether tcp-offloading is enabled on a ubuntu server?

I would like to find out if my Ubuntu VM uses tcp-offloading to increase the performance of VXLAN encapsulation. Where can I find this information on my machine?
1
vote
1answer
37 views

Figuring out the most efficient use of an ip range

I am working with Packet Tracer atm and have 3 subnet plans : assigned(management(104users) staff(43 users) admin(35 users)). I have an ip address range of:38.191.0.0 and subnet mask of ...
0
votes
1answer
33 views

Intervlan routing--DHCP offer from server on default VLAN not making it back to newly created vlan via layer 3 switch

Default VLAN: 10.36.0.0/24 New VLAN : 10.36.8.0/24 DHCP server : 10.36.0.17 I can see the DHCP offer packets making it back to my VLAN ip address namely 10.36.8.31 (from dhcp server message log) ...
1
vote
1answer
23 views

If you switch an interface's vlan does it stop traffic?

I'm configuring a cisco catalyst switch and I want to change the vlan for the all of the ports on the switch away from the default vlan 1. I know how to change a vlan on an interface, I want to know ...
1
vote
0answers
41 views

Static route between vlans

Windows server 2003. MS TMG with two NICs. I have two vlans in my network. vlan1: 200.1.1.0/255.255.255.0 vlan2: 200.1.2.0/255.255.255.0 I have an ISA server with two NICs in vlan2. NIC1: ...
0
votes
1answer
41 views

Create vxlan - RTNETLINK answers: Operation not supported

I knew nothing of vxlan until about 30 minutes ago, however I've come up with an issue installing OpenStack, which is vxlan related. Trying to create a vxlan on an interface on Ubuntu 14.04 (kernel ...
1
vote
1answer
39 views

Why a computer in one VLAN cannot get an IP address from a DHCP server in another VLAN?

Can anybody please explain as to why a computer in one VLAN cannot get an IP address from a DHCP server in another VLAN by default? Why is there a need for a DHCP Relay Agent or an IP helper, they all ...
0
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0answers
18 views

Cant get multicast to work across VLANs using pfsense router

I have a pfsense router as a VM on hyper-v, on which I have configured multiple VLANs. I have an application on VLAN1 (10.60.1.0/26) which multicasts to multiple VMs on another VLAN2(10.70.1.0/26). ...
0
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0answers
32 views

Cisco 3750 intrer-VLAN routing not working

I've defined three VLANs on my 3750 switch. I've also enabled the routing on it. It is a standalone switch. But the routing is not working between the VLANs. I don't know what to do. There is the ...
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votes
1answer
44 views

Can a computer on one VLAN acquire DHCP from another VLAN?

Can you please explain what needs to be done in order for a computer in one VLAN to get an IP from a DHCP server in another/different VLAN? (Yes if something is done and no if that something is not ...
0
votes
0answers
10 views

Cisco ISA 550 firewall VLAN physical ports removed

I was adding VLANs and by mistake I added all my physical ports as "Access" to the last VLAN. Now, all my other VLANs are out of network. How can I fix it?
0
votes
1answer
14 views

SafeNet Sentinel RMS server needs to be pinged before it works (routed across VLANs)

I have 2 separate CAD programs that use the Safenet Sentinel RMS Server (Aladdin) to check the license. After boot, they cannot find the license server. The license server is configured using its ip ...
0
votes
1answer
114 views

pfsense bridge of vlan interfaces

Hardware Setup AMD E1-2100 Mini-ITX Motherboard with Onboard Gigabit (re0) Intel PCI Express (x4) 4-port Gigabit Adapter (igb[0123]) Software Setup pfSense v2.3 I'm trying to replicate my ...
0
votes
3answers
58 views

Configure small LAN to WAN network

I want to setup a small LAN that can connect to Internet via my ISP's router (I have only one open port on my ISP's router and 6 public IPs). On my side, I have an Ubiquity Router that I connect to ...
0
votes
1answer
26 views

Will resizing a subnet mask make devices with the former netmask inaccessible?

I have a default VLAN whose subnet mask is a /28. I now intend to use the default VLAN for imaging, so clients need to be able to receive DHCP leases from this VLAN. In order to have enough ...
0
votes
0answers
15 views

linux bridge with vlans

I have a couple servers that I need to use lacp on that would hook in to the bridge for kvm to tap off of. I need to split out several vlans from there. my cisco switch has 2 ports set to trunk ...
1
vote
1answer
33 views

802.1q PXE boot

I've been using CrucibleWDS for the past year to image machines in my environment. My dhcpd.conf file lists the PXE boot information for clients attached to the particular network I use for imaging. ...
0
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0answers
36 views

How to create three private vlans using Netgear GS116Ev2

I'm trying to create two or more VLAN's on the Netgear GS116Ev2 switch where each VLAN shares a single port to access the Xfinity router for the internet but cannot communicate with other VLAN's. Btw ...
1
vote
1answer
73 views

Best way to connect dual SSID / VLAN wireless to Watchguard firewall

I'm currently sorting out our network so we can have new wireless access points with dual SSIDs, one for internal use and one for guest use. These will be setup so each SSID is on a different VLAN. ...
1
vote
2answers
61 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
27 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 ...
0
votes
1answer
32 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 ...
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
26 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
53 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
102 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
27 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
vote
1answer
73 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
70 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
31 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 ...
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0answers
44 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
62 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
209 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
30 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
80 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
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0answers
50 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
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3answers
64 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 ...