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

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2answers
25 views

Unable to add allowed VLANs to trunk and port not trunking

I am unable to add any VLANS to be allowed on trunk and the port is not trunking. I've tried: Switch0#configure terminal Enter configuration commands, one per line. End with CNTL/Z. ...
2
votes
1answer
24 views

Unable to remove a port from default VLAN

I am unable to remove a port from my default VLAN. I've tried: Switch(config)#interface FastEthernet 0/1 Switch(config-if)#no switchport access vlan 1 It has no errors but when I check it using: ...
1
vote
1answer
11 views

Setting up VLANs using GS724T & Draytek 2860n-Plus

I am having a world of problems here and can't see what is going wrong! The Plan: Use the Draytek to connect to the internet and provide WLAN access. Single port to connect to the GS724T and tag ...
1
vote
3answers
36 views

Route Subnet to only access 1 IP address on different VLAN HP Procurve

I'm trying to route VLAN 300 which has a subnet 192.168.100.0/26 to only access 10.220.1.10 on VLAN 220 but struggling with the config. HP's documentation from what I can tell just wants me to enable ...
1
vote
1answer
19 views

Do I need VLAN for VOIP phone if my network switches supports IEEE P802.1p QoS?

I have 30 workstation and 30 IP Phones all under one single network 192.168.9.0. The network switches is unmanaged switch but supports IEEE 802.1p QoS (e.g.: DLink DGS 1008D and DGS 1016D). I ...
3
votes
1answer
43 views

OpenWRT - Manage Virtual LAN

I have an Ubiquiti AirRouter with OpenWRT on it and I've been trying to separate the manage of the ports. I've formated the router using CoovaChilli app, anyways the app just help to install OpenWRT ...
0
votes
0answers
45 views

Cisco ASA 5510 needs “clear arp <Interface>” periodically to reach a single host

ASA 9.0(3) The symptom is that I can ping from the ASA to any other host in that interface's subnet, save one particular host (that host can ping the interface on the ASA however). If I do "clear arp ...
0
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0answers
15 views

Cant get Vlan to work on tomato shibby (AP) [migrated]

Im setting up a small network. The hardware used is: HP 4330s with pfsense( As a router ) -> Broadcasting vlan1000(Admin) and vlan1001(Guest) Zyxel gs1900-24e (Switch) Asus RT-N66U firmware replaced ...
0
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0answers
10 views

Cisco 877 Initial Setup - Enable SDM

We purchased a used 877 and installed IOS and reset to factory defaults with a console cable. Now I just need to set it up as right now connecting via ethernet and pinging 10.10.10.1 won't connect (ip ...
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0answers
17 views

linux vlan bridge feature backport to 2.6 kernels [migrated]

The VLAN-aware bridge was introduced to the Linux mainline on the 3.x kernels, according to this article on lwn: VLAN filtering/VLAN aware bridge Has this feature been backported to the 2.x kernels ...
0
votes
1answer
13 views

How to remove a VLAN tag from a VSwitch (VSW) in LDom OVM SPARC

I have a OVM SPARC 3.x server and one of its switches is set with a vlan tag. In the example below the VSW has a VID of 200. How do I remove the tag? I cannot remove the vswitch, as other guests are ...
0
votes
0answers
16 views

sg300-10 problems with vlan connections

I was hoping someone could give me a pointer on a VLAN setup issue i am having. My Enviroment: Cisco S300-10 Switch (set to L3 Mode) I have uploaded a newb drawing of my switch config in the hope ...
0
votes
0answers
28 views

my iperf connection test client side keeps showing connection refused

I am trying to setup an iperf test but the client side keeps getting connection refused message. Server side: ubuntu@webserver1:~$ iperf -s ...
3
votes
1answer
38 views

Routing on Bonded VLANs

I've got a linux d/b server (OEL 6.4 but effectively Redhat 6 I believe) with bonded nics connecting to juniper switches. I've split the bond up into multiple vlans (bond0.11, ... bond0.18) with IP ...
0
votes
2answers
66 views

Ubiquiti Unifi Wirlesss Access Point not obtaining IP Address when VLAN Tagged

This question follows on from this one which I managed to resolve. Draytek 2830, Multiple VLANS on Same Port My Ubiquiti Unifi Wirlesss Access Points are not allowing clients to obtain an IP address ...
4
votes
0answers
147 views

HP Procurve 2920 VLANs with DHCP cannot ping

I have problem setting up working VLANs and DHCP server on HP Procurve 2920. My problem is that I cannot even ping computers between VLANs with static ip addresees. winXP pc on VLAN101 with ...
0
votes
1answer
38 views

Draytek 2830, Multiple VLANS on Same Port

The Kit Ubiquiti Unifi Long Range Wireless Access Point Cisco SG200-08P Switch (VLAN, POE Support) Draytek 2830VN Router The Problem I need to enable Multiple VLANS against a single port on the ...
0
votes
0answers
15 views

DD-WRT route between vlan2:1 and vlan2 [migrated]

I've been trying to configure a Netgear R7000 with DD-WRT on board. My problem is the fact I have a private ip assigned to the WAN (vlan2) and a public ip assigned to vlan2:1 If I use only iptables ...
1
vote
0answers
15 views

Can pvlan-trunk Ports Carry normal vlans too on Juniper EX8208?

I'm trying to implement pvlan on Juniper EX8208 which will span across multiple switches (to a Cisco nexus 7000 Series) and need to know if the Inter-Switch-Link Port with "pvlan-trunk" will allow ...
1
vote
0answers
17 views

How does Juniper vlan.0 work with policies?

I'm trying to understand vlan.0 and Juniper policies. Referring to here: http://kb.juniper.net/InfoCenter/index?page=content&id=KB16667 According to the link above, it seems that if I use ...
1
vote
2answers
69 views

Add a VLAN tag to specific UDP port traffic

I'm running an application in Ubuntu12.04 that I've written that does some remote switch management. I have only a single NIC connected to the network of managed switches, eth0 which is set with IPv4 ...
0
votes
0answers
20 views

Change vlan settings to Yealink phones at once

I have about 90 yealink ip phones. My target is to change vlan settings to all of them massively. For example, when it's going to reboot all of them, I run the following ...
-1
votes
1answer
36 views

Ethertype Field in IEEE 802.1Q tagged frame

It is a basic but a bit confusing question for me .I hope It is not going to be confusing anymore after being suggested/guided from all of you. In 802.1q tagged frame offset[12] is the TPID which is ...
1
vote
2answers
35 views

Different size subnets on the same system

I am working at a school campus that has 3 programs on it and has a lot of politicking involved with network administration. I am in charge of the network administration for our program along with ...
0
votes
0answers
14 views

allow double tagging on vlan interface

I have a single interface eth0 on my machine. I have a linux bridge to which If I add my interface I loose connectivity. So I create a vlan interface and add it to the bridge. All is fine now except ...
1
vote
0answers
46 views

Separate L2TP/IPsec VPNs with dynamic VLAN assignment

I am working on a Linux (Debian 7) VPN concentrator for different kinds of remote access. One of the offered protocols is L2TP/IPsec because of the client availability. I am using xl2tpd which in turn ...
0
votes
0answers
90 views

SCVMM 2012 R2, single logical network both on trunk and access port

I've got a rack with a number of servers, both new and old.. The infrastructure we have uses 4 different networks for different purposes (e.g. Internet, AD, SQL and iSCSI) Newer servers have 8 NICs, ...
-1
votes
1answer
37 views

Trying to understand the flow of packets going from one VLAN to another [closed]

I am trying to understand the flow of the packets from one computer to the other in the same VLAN but on a different subnet as explained here. And a case shown is: Suppose the same sending ...
0
votes
1answer
184 views

Routing from VLAN to Internet via L3 Switch

Please excuse the brain-dump - trying to solve a problem that's had be running around in circles for an entire day! TL;DR - Clients on two networks separated by a L3 switch can see and ping ...
0
votes
0answers
21 views

Tagged traffic over Checkpoint IPSec

How can I forward tagged traffic over Checkpoint IPSec? Where I can read more info about it? I have Checkpoint R76 and I need to use tagged vlan over IPSec tunnel.
0
votes
2answers
263 views

Setting up a server with two NICs using two separate subnets (each on a different VLAN)

I'm using Ubuntu 14.04 (standard server install + OpenSSH, biosdevname=0 during instal to keep the network names simple) in an environment where I have two non-overlapping subnets M and N on different ...
0
votes
1answer
88 views

How can I control bandwidth, access times and priority per VLAN

I'm setting up access points (TL-WA901ND) that can each support up to four SSIDs, which can be assigned to VLANs. I would like to set up three SSIDs, each on a different VLAN, with the following ...
-1
votes
1answer
143 views

Allow Internet access across vlan [closed]

this is my lab: I have the switch netgear gs724tv4, I have a modem router for Internet access with dhcp that can lease only 5 ip addresses. The ip subnet for the modem router is 192.168.1.0/24 I ...
1
vote
1answer
30 views

Upgrade network Class vs Virtualized LAN

We operate on one class C network, let's say 192.168.1.0/24 But the problem is we have 262 devices! I propose upgrading the network to a class B. The opposition proposes purchasing new hardware and ...
0
votes
2answers
108 views

Cisco internal VLAN setup with access to public network

I have a Cisco 4948 switch that I'm dividing in half (half public, half private VLAN for NAS access). On the public side, Gi1/0 is the up-stream connection to the router, and G1/0-23 are configured ...
0
votes
2answers
85 views

VLAN and Virtual Interfaces on Ubuntu

I am using a switch in a device that has physical dimensions; these dimensions exist outside the network, just to make clear I'm not trying to use some kind of network terminology. The ports of the ...
-1
votes
1answer
62 views

Creating an isolated network within a school network [closed]

I mentor a high school robotics club. Our network hardware consists of a 24-port switch, a Linksys WRT-54G router running dd-wrt, and a computer acting as a file server. A single ethernet connection ...
7
votes
1answer
150 views

Does setting MTU on logical interfaces affect physical interfaces

I've been using a combination of interface bond-, vlan- and bridge-interfaces to provide redundancy and different logical network layers to xen domU's. This setup is working well however i'm a bit ...
0
votes
0answers
22 views

Optimised VLAN allocation in Cloud Environment

In a multitenant environment, we need to assign tenant to a particular VLAN for security concerns. What are the factors that should be considered while assigning a new VLAN to a tenant. The VLAN may ...
2
votes
1answer
41 views

VLAN routing query on HP Switch

I have Layer 3 HP switches throughout my organisation. They are set up to perform routing between all the VLANs connected to them, and everything is working. I am pretty proficient with using them, ...
0
votes
0answers
321 views

Configuring CentOS NIC for an untagged + tagged VLAN

I have a CentOS 6.5 system with 1 physical NIC, which is connected to a switch. The switch is configured so that VLAN 104 is untagged and VLAN 101 is tagged. The VLAN104 is network 172.22.20.0/24 ...
0
votes
1answer
75 views

Virtualized Linux firewall as router on the stick for cisco switch

I have got: Linux(virtual maschine on esxi) <---trunk---> cisco Switch. On virtual maschine vSwitch setup: VLAN ID 4095 Enables trunking on port group (VGT Mode) LINUX interfaces file: ...
0
votes
0answers
114 views

VLAN setup Cisco SG300 and SIP gateway

Hopefully someone can shed some light here. I'm quite new to networking and not too sure if I'm doing the right thing here. We are setting up a new VOIP phone system with SIP gateway for our company. ...
0
votes
0answers
34 views

SRP521W Intervlan routing and NAT

I've a Cisco SRP521W router which I've set up with two VLANs called normal_Lan and SWSVLAN. I don't want devices on each VLAN to communicate with each other so I've turned INTERVLAN Routing OFF. ...
0
votes
0answers
26 views

Point to point connection not using full bandwith

Here's my network: [A]<------20 Mbit point to point ---------->[B]<-------20 Mbit point to point-------------->[C] At [A] there's a switch, at [C] there's another switch, while at [B] there's ...
0
votes
1answer
73 views

can't ping the GW when configure linux with two vlans?

my scenario: vlan1 <--------> [interface0/1] L3 Switch [interface0/2]<-----------> vlan2 by follow this tutorial: vlan1 have one linux machine: I Configure Linux to have 2 Virtual ...
0
votes
0answers
42 views

VLAN routing to internet

I am currently setting up a new network and wanted to make sure it is being done in the best way as this is my first time working on a NetVanta 1234P and I am having issues with routing The client I ...
0
votes
0answers
27 views

Bridging multiple VLANs in linux

I'd like to clarify some issues I have with bridging tagged traffic on Linux machine. I have a 2.6.20 (802.1q, bridging, ebtables are enabled) kernel and a device with two net interfaces (eth0 and ...
0
votes
0answers
86 views

Configuring hybrid port in Huawei Switch

Let me beging saying that I am now studying to get the CCNA R&S certification, but at work I am dealing with another issue that may be out of the objectives of a CCNA R&S The scenario is the ...
0
votes
1answer
53 views

Vmware VLAN change effecting network access

I segmented a large subnet into smaller VLANs. Running VMware vCenter 5.1 / ESXi 5.1 on the hosts. I run a number of guest VMs, Win28k, Cent, RHEL, and Ubuntu. All hosts except the Ubuntu hosts work ...