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
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0answers
268 views

VLAN ID over DHCP for Management Interface of Fortinet FortiAP

When configuring the FortiAP device it's desirable to configure the VLAN ID for the tagged management network. Accordingly to the manual it's possible to do so by "telnetting" to the FortiAP device ...
4
votes
0answers
122 views

Configuring Container with bridges and vlans (server only?)

I have two groups of lxc contianers on a server and want to isolate their network traffic for security reasons. I will be using port forwarding so the containers much each have separate IP's. I know I ...
3
votes
0answers
36 views

Xen networking - dom0 receives ARP requests but no reachability

Both dom0 and domU are Debian 8. Dom0 network configuration is: auto xenbr0 iface xenbr0 inet manual bridge_ports eth1 bridge_stp off bridge_waitport 0 bridge_fd 0 auto xenbr0.4 ...
3
votes
0answers
41 views

Multiple Subnet, Same Gateway

I have a nexus3000 switch that has a L3 connection with an uplink switch. (172.18.186.129-130/30) ... In downlink, I have multiple servers and VLANs and I have a range of IP-addresses ...
3
votes
0answers
19 views

vlan qemu: guest listening from other guests

I'm trying to simulate a little network of 3 machines using QEMU where a machine (deb1) is directly connected with the host and the other 2 machines (deb2, deb3): Host ...
3
votes
0answers
140 views

VLAN Communication between Cisco ASA 5510, and VMWare ESXi 5.5

I've having a problem, where my Cisco ASA 5510-v8.2 can't communicate with VM's in a VLAN specific port group. The Cisco ASA is currently sitting in front of a group of VM's that have public IP's. ...
2
votes
0answers
24 views

Creating additional VLANs on Cisco SG200

I would like to create 2 separate VLANs using a Cisco SG200-series smart switch (layer 2) where the devices would not see each other, while being able to connect to the internet. The setup is simple, ...
2
votes
0answers
47 views

Multi vlan internet access via Watchguard

i'm pretty new to network and routing so i would appreciate some tips on this. I have a firewall(watchguard x1250e), connecting to a switch(Nortel Baystack 5510) with multiple vlans for internet ...
2
votes
0answers
50 views

802.1q VLAN echo replies do not include VLAN ID

I am running a SLES11, SP4 kernel on 2 systems. I have 2 NICs connected through a Netgear GS724T switch. I have configured VLAN 400 on the switch. On system 1, I create a VLAN 400 on eth0 called ...
2
votes
0answers
54 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!
2
votes
0answers
145 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 ...
2
votes
0answers
86 views

Juniper SSG-5 different vlans authentication

In my network infrastructur I have 2 companies right now. Every company has it own vlan. For example: Company A 192.168.100.0/24 Company B 192.168.101.0/24 I want to use a shared vlan for all ...
2
votes
0answers
839 views

Configure vlan on Netgear switch via SNMP

I am trying to configure vlans on a netgear GS752TSX from the Linux command line with netsnmp. I have created vlan 99 on the web interface now want to control the pvid settings, egress and tagging. I ...
2
votes
0answers
2k views

Single Sign On 802.1x Wireless - saying “Connecting to <SSID>”, hangs for 10 seconds, fails with “Unable to connect to <SSID>, Logging on…”.

We are implementing WiFi on Windows 7 machines in our corporate environment. Machines should be able to log into the domain by WiFi as the Machine (Pre-Logon), and as the User (Post-Logon). We have ...
2
votes
0answers
151 views

dsl router for bridging two lans

I have two office locations that each have DSL service. I have the routers set up so that the two subnets, 10.0.1.x and 10.0.2.x, correctly keep data on each subnet and or pass across to the other ...
1
vote
0answers
57 views

Adding multiple vlan interfaces into bridge (ovs)

I am adding multiple vlan interfaces (eth3.409, eth3.410, ...) to a bridge, furthermore I also add the eth2 interface (local network) to the bridge. eth3 is a trunk with 13 different vlans. The ...
1
vote
0answers
88 views

Using KVM with macvtap and VLANs for VM

I want to use the optimizations given for the ASAv (Page 18) which should run with KVM. I am using Ubuntu 14.04 LTS and I should configure macvtap for an higher performance. It just says the ...
1
vote
0answers
23 views

Automatically setting DSCP on guest vs employee network

I am working on a 5000 device network (2/3 wifi, 1/3 wired). Half of the wifi connections are guests - so their traffic priority should be lower than the employee traffic. Is there a way to force ...
1
vote
0answers
140 views

VTP trunking not working for Cisco 4948 switch

I'm adding a new Cisco 4948 switch to an existing network that has a bunch of 3500 series switches already configured and working. I've verified the VTP domain and password are identical, tried ...
1
vote
0answers
349 views

802.1x dynamic vlan assignment not assigning VLAN

I recently dived into 802.1x authentication with dynamic vlan assigment. My current set up contains of: - A client - A SG220 cisco switch (the supplicant) - A freeradius (authenticator) ...
1
vote
0answers
946 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 ...
1
vote
0answers
308 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 ...
1
vote
0answers
71 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, ...
1
vote
0answers
186 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 | ...
1
vote
0answers
129 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
93 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
0answers
161 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 ...
1
vote
0answers
4k 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 ...
1
vote
0answers
213 views

HP 5120 vlan not working

So I have this odd issue with our HP 5120 switches. The VLANs will not pass traffic unless a interface with a IP is assigned to the VLAN. Problem is there is a limit of 8 VLAN interfaces that are ...
1
vote
0answers
76 views

Inter VLAN Routing

I have VLAN 1 and VLAN 2 setup on HP ProCurve Switch, each linked to a different scope on DHCP server. VLAN1 = 10.220.0.0/23 VLAN2 = 10.210.0.0/21 I can't ping VLAN1 devices from VLAN2 and vice ...
1
vote
0answers
384 views

DRAYTEK - VLANs with VLAN tagging switches / router

Our company uses Draytek routers (various models, slowly upgrading to 2860n at each site). We have recently purchased a new site, and want to split the network up into separate VLANs, so as to ...
1
vote
0answers
120 views

Routing between L2 isolated ports

I am to deploy some managed switches for FTTB/FTTH and preparing configuration to introduce isolation between customers (by disabling L2 forwarding between client ports or using private VLANs). ...
1
vote
0answers
212 views

Guest wireless. HP to Cisco VLANs

I'm having trouble getting guest Internet access working. I have HP V-M200 WAPs and a Cisco RV042G for internet and a HP 1910 switch in the middle. I created a second Wireless Community/SSID on the ...
1
vote
0answers
164 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 ...
1
vote
0answers
506 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 ...
1
vote
0answers
3k 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 ...
1
vote
0answers
669 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 ...
1
vote
0answers
78 views

VLANS and Public/Private Traffic

I may reveal some ignorance with this question, but I am really confused. We have 3 static IPs and one gateway/modem with my organization. The gateway/modem is located in a remote area of our ...
1
vote
0answers
857 views

PFSense VLAN's - clients cant access devices on a defined VLAN

I'm having an issue setting up pfSense with VLAN's, basically, the pfSense boxes can ping the devices on the tagged vlan, but clients routing through pfSense cannot. There are two Cisco SG500 ...
1
vote
0answers
308 views

How to prevent partial crash during VLAN configuration on a HP ProCurve 3500

As you can see from my question, I have a VLAN configuration problem with a ProCurve 3500. The goal is to remove a VLAN from the existing configuration, however when I use the WEB UI to do this, I ...
1
vote
0answers
2k views

Is it possible to mix jumbo frames VLAN and standard mtu VLAN on the same switch port?

If a managed switch and all attached devices both support VLANs and Jumbo Frames, is it possible to mix VLANs with jumbo frames and VLANs with standard frames on the same switch port / ethernet card? ...
1
vote
0answers
680 views

Access All VLANS over XenServer Interface

For my current setup, I have a physical NIC on a XenServer machine that receives traffic tagged with various VLAN IDs. I have a virtual machine that is running Vyatta that needs to be able to access ...
1
vote
0answers
92 views

Datacenter redundant hosting setup advice

We are moving our servers to a new DC and I am looking for a bit of advice with our new COLO setup. I have some knowledge of networking but I am an enthusiast more than anything so it gets a bit ...
1
vote
0answers
5k views

HP Procurve 2910AL allow traffic from VLAN to VLAN

We are trying to setup so that the switch handel routing and communication between a few vlans. And then have a link network up to the fw. Here is the config: Running configuration: ; J9145A ...
1
vote
0answers
812 views

Simple VLAN Trunking between 2 switches

I am trying to set up a connection between 2 buildings. In building 1 I have the following: Network 1 192.168.2.0/24 Network 2 192.168.3.0/24 Network 3 192.168.0.0/24 Network 4 ...
1
vote
0answers
196 views

Duplicate packets on network after disconnecting wireless access point on separate VLAN

We have a network with a few switches. One of these is a 3com 4500, where there are many computers connected, a custom linux firewall and a wireless bridge. The port where the wireless bridge and the ...
1
vote
0answers
245 views

Can multiple VLANs be provided with multicast addresses by a single MADCAP server?

Can a single DHCP server provide dynamic multicast addresses for hosts in many VLANs using MADCAP, just like it can provide hosts with unicast addresses via ip-helper? Or from a Cisco perspective, ...
1
vote
0answers
545 views

HP ProCurve & Cisco switches interoperability

I have a couple of questions regarding Cisco and HP ProCurve interoperability. Here's a link to pdf with my network topology. Can someone help me with basic VLAN configuration in such topology? Below ...
1
vote
0answers
184 views

Network Segregation for IaaS/SaaS Environment

I've inherited a Dell M1000e blade chassis and 16 M600 blades that I'm now in the middle of migrating from standalone to clustered. Each is running Server 2008 R2 SP1 and Hyper-V. My issue is I'm ...
1
vote
0answers
619 views

Dell PowerConnect 6224F ACL Not Performing as Expected

What I'm trying to achieve is as follows: Allow full access to the device on 10.58.9.32 (our VoIP server), from anywhere on our network. Allow ICMP to flow in all directions to/from any device. ...