The link-layer tag has no wiki summary.
0
votes
2answers
62 views
2 networks with a layer 2 bridge that shouldn't be there.
I have 2 separate networks that I manage. They have a router between and layer 3 connection is working fine. Last week my DHCP servers started handing out IPs across the networks, looking around I ...
0
votes
0answers
80 views
snmp based vlan (802.1q) configuration
I am developing a user interface for vlan (802.1q) configuration based on SNMP. In each row of the Static Vlan Table, there is "Egress Ports List" and "Untagged Ports List" attributes.
I am quite ...
1
vote
4answers
106 views
About the link layer of TCP/IP
I know there're ethernet,token ring,FDDI ,etc protocat the link layer,
but how to know the exact protocol used to perform a specific task,like browsing a web page?
4
votes
3answers
168 views
Network link layer equivalent of `ping`?
Here's my situation. It's hypothetical, but happens often enough to be a problem.
We have a generic layer 2 ethernet network switch. All of the devices connected to this switch use IP addresses in a ...
2
votes
2answers
73 views
Need confirmation on layer 2 security question
I need confirmation on a question regarding layer 2 security. I've been doing research and I just need to know that I understand it correctly.
Basically, if you have a LAN with a few machines ...
1
vote
1answer
737 views
How many bits for sequence number using Go-Back-N protocol
I'm a regular over at Stack Overflow (Software developer) that is trying to get through a networking course. I got a homework problem I'd like to have a sanity check on. Here is what I got.
Q:
A ...
7
votes
6answers
774 views
Should Cat6 cables be used for servers ('important hosts') rather than Cat5-E?
Wouldn't you want your crucial hosts being served with the most signal-reliable/improved method of connectivity?
Gig Switch<->Cat5E<->Server?
or
Gig Switch<->Cat6<->Server?
My ...
