As I know, NAT is the system, that divides IP addresses into two categories - public and private. Public represents the local network from the outside and private represents the device from the inside.
Subnetting divides one IP address in...
As I know, NAT is the system, that divides IP addresses into two categories - public and private. Public represents the local network from the outside and private represents the device from the inside.
Subnetting divides one IP address in...
Regarding ARP requests, I got to believe that the destination MAC address was in all situations the broadcast address.
Yet I got across this Wireshark capture:
I just cannot understand the 3rd request from my router. Why is the destinatio...
I have been reading the IPv6 Flow Label Specification (RFC 6437) and I would like to ask about the purpose of setting this label.
In case of just using the 2-tuple (source address, destination address), the packets will reach the destinati...
If the length of a packet by attaching GRE-IP header results in bigger size than router MTU, what happen on More Fragment Flag and Frag Offset field of that packet?
On a CAT 7 Ethernet cable each twisted pair is individually shielded, and all pairs together are inside a shielded jacket:
Colors of the wires may change, for instance I recently got my hands on a cable where the wires were all differen...
Is it possible to use Active PoE splitter that does comply to 802.3af, with passive PoE injector?
802.3af does autonegotiate
Does negotiation take passive PoE into account?
Edit:
Acording to: This answer @ networkengineering
Po...
My main concern is why is the address 01-00-5E- and how? Especially 5 and E??
I have currently got several VPN's on-premise that are setup on the outside interface and using the default gateway on the interface as an originating source of the VPN tunnel.
Although the outside interface has been configured with a blo...
Ive got a project where i have to use some existing wiring and some new wiring as we can not run new wiring in one part of the building.
At the moment my network diagram looks like this
Becuase i cant run a new cable direct from the rou...
RFCs such as 5952 - "A Recommendation for IPv6 Address Text Representation" and
2373 - "IP Version 6 Addressing Architecture" each outline the commonly used hexadecimal and colon based notation that is typically used fo...