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Questions tagged [private-vlan]

For questions about or involving private VLAN. For instance, you need to split a running VLAN into sub domains or sub-VLANs inside a VLAN.

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3answers
44 views

Correct term for networks created for virtual machines and containers?

What is the correct term for the type of network created for virtual machines and for containers. For illustration a Linux virtual host might have devices docker0 as 02:42:a6:79:a6:bc with address 172....
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1answer
319 views

Securing VLANs for Wireless AP with multiple SSIDs

I'm deploying Wireless Access Points with two SSIDs: employee (VLAN 45) and guests (VLAN 46). I'm confused how I should configure the Ethernet port on the APs and switch. My preference would be to ...
0
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1answer
538 views

Maximum no of Host's possible in private network on class wise? [duplicate]

my query is that what is the maximum no of host's are possible for Private network in class wise. i.e i want to know No of Private host's in CLASS A,B,C? how to calculate these no?
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2answers
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Meraki Firewall & Switch VLAN Setup

I have a Meraki MX84 Firewall and a Meraki MS225-48FP switch. I have two VLAN's one is VLAN 1 (Default) the other is VLAN 50. Vlan 1 (Default) has a scope of 192.168.1.x and VLAN 50 has a scope of ...
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2answers
53 views

Can the data usage be Oriented by Consume of Demand?

Let's imagine that a LAN house, solve to charge financially your users, through of data usage consumption and not by time of use. It Is possible do control individually of assignment of data usage ...
4
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1answer
3k views

What's use of Port Isolation vs traditional VLANs?

I've seen several switch products advertising port isolation feature as "way to limit ports communication without configuring VLANs" and it sounds quite... sketchy? If i understand it correctly port ...
2
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1answer
1k views

Private VLAN on HP switch

I am totally new to vlan concept and I am trying to learn by configuring them on these 2 switches: HP-2530-24G and HP-1820-8G(where there is no CLI). I need to implement Private-Vlan on these switches ...
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2answers
1k views

Can a switch that does NOT support VLAN capability be considered a managed switch if it has other features?

So the question is in the title. If a switch does not support Virtual Local Area Network capabilities can it still be considered a managed switch? What other features should it have to be considered ...
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2answers
192 views

How can I set up a VLAN to be firewalled from our intranet? [closed]

I am being tasked with setting up about 15 PCs to be used as digital signage at my job. These PCs are not allowed to be connected to our internal network/intranet. We do have one Mac workstation that ...
0
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2answers
250 views

Is a PVLAN the same as a one-port VLAN

Recently I came across the concept of a Private VLAN (https://en.wikipedia.org/wiki/Private_VLAN). However, I can't seem to see the difference between a PVLAN and a VLAN which is configured on one ...
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1answer
421 views

Block private addresses for Egress traffic passing through an ASA firewall performing NAT translation

I am completing a lab and have been told I should ALWAYS block Egress traffic from private address ranges. The ASA performs NAT translation of private IPs to the public IP address assigned to the '...
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1answer
2k views

How to assign multiple VLANS to a port?

I have a simple question about a network (I am new to this concept so please correct me if I am wrong). I have a simple network as shown (GNS3): The network have 3VLANS (VLAN10 = DesignTeam, VLAN30 ...
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1answer
292 views

No Private VLAN commands Cisco C3560 switch

I'm studying Private VLAN on C3560 Cisco Switch hardware. When i enter the (config-vlan)# It doesn't contain the private-vlan command in the list of available commands. I turned the VTP mode to ...
1
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1answer
814 views

Manage access point in a different subnet

I am trying to setup a separate private network for a rented office in our building. I think i have succeeded in setting up two private LAN networks using port based VLAN's (192.168.10.0/24 and 192....
0
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1answer
186 views

Bonjour defeating wireless isolation?

I have two MacBook Pros and a Cisco RV110W wireless router. I have created a VLAN with all ports untagged and I linked this VLAN to a Wi-Fi with the option "Wireless Isolation with SSID" on. From ...
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5answers
866 views

Are there any security advantages to activating VLAN tagging?

I understand the concepts of generating a VLAN. However, on a small, closed, sophisticated network, are there any security advantages to activating VLAN tagging?
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1answer
61 views

For how much period does the NAT table entry stays there even after connection is closed?

Yesterday, I was reading about the NAT then, during that time I endup with above doubt, I am thinking that if some application from private network makes call to outside world i.e. public network ...
2
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1answer
291 views

How to achieve Private VLAN (PVLAN) isolation without PVLAN support on switches

I'm looking for some wired client isolation on our public IPv4 VLAN. Since we have a /23 block, isolation is a kind of feature that's really useful. But we don't have switches capable of PVLAN. To ...
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2answers
62 views

private-vlan pimary vlan port not set to promiscuous?

What is the behavior of a port in a private-vlan pimary vlan that isn't set to promiscuous?
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0answers
151 views

Create private sub(?)-network with AdvancedTomato router and Apple Time Capsule … [closed]

In the next time, I’m connecting to the internet via my neighbor’s router/connection (VDSL) and I want to create a secure/private sub(?)-network between my MacBook, TimeCapsule and the neighbor’s ...
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2answers
816 views

Configuring PVLANs across 3 switches

We are about to implement PVLANs into our environment however I had a couple of questions for anyone who has production experience with them. The network will be set up as follows: Hosts Hosts |...
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0answers
52 views

Mirroring private vlan on catalyst switches

I currently have a catalyst switch configured with private VLANs and would like to mirror that traffic to an external system. I have tried creating a monitor session for the VLANs involved but that ...
2
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1answer
191 views

Virtual Machines on a seprate vlan

My team has 100 developers. They each have a computer and on that computer, they have two nics facing our router. WiFi and their virtual machine (VMWare nic). I would like to have a network inside ...
2
votes
1answer
24 views

Limiting community member communication in PVLAN's

Is there a way to limit communication between community members in a PVLAN? Ex. Service provider ABC has 1000 clients, the clients with more than one VM to their name have their own community, ...
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vote
1answer
89 views

Addressing guest hosts

Suppose one wishes to provide guests with access to the Internet (and only the Internet) over one's network. For obvious reasons, switch ports will be assigned to a private VLAN created specifically ...
4
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1answer
2k views

Juniper Private VLAN isolated port on a trunk

I'm trying to grasp the private VLAN configuration on Juniper EX switches. As I understand it right now: Access ports in the primary VLAN (VLAN with no-local-switching configured) are implicitly ...
3
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1answer
1k views

Private vLAN useful to isolate multicast sources?

On a Cisco 3750G switch I have a number (30-ish) of video processors in a vLAN providing multicast streams to clients via a router. Because all of the machines are in the same vLAN they see each ...
4
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1answer
1k views

Private VLAN in transparent mode

Why do we have to set up the switch in transparent mode when dealing with private VLANs?
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4answers
3k views

Single client per VLAN in /24 network

I have a single /24 IP network. I want to make a VLAN (or something) and distribute a single IP and gateway per client. Each client should not be able to talk to each other. What is the best way to ...
3
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1answer
2k views

Isolated VLAN members on a private VLAN (Cisco)

I have been wondering for a while about this. On Cisco switches you can configure a VLAN and nest private community and private isolated VLANs into it. You can also configure promiscuous ports that ...
7
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1answer
2k views

Private-vlan configuration - connectivity issue

I've an issue leading with Private Vlans. I've fiber modem and they can't reach the DHCP/TFTP to be provision. I suspect from the configuration of Private VLANs. Can you review them ? My doubts are ...