Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [bridging]

For questions about network bridging or bridge network devices, where it is a computer networking device that creates a single aggregate network from multiple communication networks or network segments. This function is called network bridging.

0
votes
1answer
38 views

How does Kismet find WIRED devices when scanning Wi-Fi? [closed]

In an effort to better secure my Wi-Fi network by finding its weaknesses and mitigating them, I have employed the use of Kismet, a well known Wi-Fi security scanning tool. When I use Kismet to scan ...
0
votes
1answer
42 views

What's the difference between dot1dTpFdbPort and dot1qTpFdbPort, and what are the octets before the last 6 (

So ... I kinda struggle to understand the difference between dot1dTpFdbPort Either the value '0', or the port number of the port on which a frame having a source address equal to the value of the ...
0
votes
2answers
27 views

What is the bridging decision when getting ARP request?

Setup: Assume I have 3 VMs. VM1 VM2 and VM3. VM2 has two interfaces, say eth1 and eth3. eth1 is connected to VM1 physically and eth3 to VM3. I create a bridge on VM2 using brctl with eth1 and eth3. ...
1
vote
0answers
40 views

802.1Q-2014 I-Tag and MAC addresses

I am reading IEEE 802.1Q-2014 for interest. This incorporates I-Tags, which define backbone service instances. In a few places, the standard implies or states that the I-Tag includes the C-DA and C-SA....
1
vote
1answer
384 views

Routing and Bridging on a Layer 2 or Layer 3 device

The thing that intrigues me is, say I have a router and I configure it’s interface as a Layer 2 and have 2 Vlans on the same router. So if I want to transfer the data from one Vlan(say VLAN-10) to ...
3
votes
5answers
647 views

How can Layer 2 frames be encapsulated?

How Can Layer 2 be encapsulated (in order to add some information) and sent over the internet. On the receiver side the added information will be used, and then the packet will be decapsulated to get ...
1
vote
2answers
1k views

How transparent bridging Wi-Fi with Ethernet works?

The way I understand (two-port) transparent bridging is that the bridge simply forwards packets to another segment on the network. But since the MAC address of the ethernet interface is different to ...
3
votes
4answers
2k views

Ubiquiti UniFi Wireless bridging over two floors

I need a setup like this: +----------+ +----+ | Router | --- | AP | | (DHCP ?) | | | +----------+ +----+ | | wireless | +-----...
1
vote
1answer
83 views

Etherchannel configuration!

I´m trying to test this etherchannel configuration but did´t work properly. The goal is: I want to entablish a L2 communication channel between A and B, but i neet to put on the middle 2 equipments ...
1
vote
3answers
87 views

why does bridge terminate vlan header

I'm referring to the following article, where it mentions "The MAC layer header can be maintained if the router is bridging the network layer protocol. However, regular bridging still terminates the ...
1
vote
3answers
3k views

Same subnet, 3 different VLANs - How?

A customer has a network: 10.0.0.0/24. The gateway 10.0.0.1/24 is represented by an SVI for VLAN 10 on a core switch. Downstream there is an ACE Load balancer, which has a BVI. This BVI's IP address ...