Passthrough not supported error in Python - Stack Overflow,Annuari commerciali , directory aziendali

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IP Phones causing printing issue - Network Engineering Stack Exchange
The port is no passthrough port (these do not exist in networks) The phone features a small 3-port switch - one uplink, one PC downlink, one port used internally
Stateful vs Stateless IPv6? - Network Engineering Stack Exchange
Stateful autoconfiguration of IPv6 is the equivalent to the use of DHCP in IPv4 It requires a DHCPv6 service to provide the IPv6 address to the client device and that both client device and server maintain the "state" of that address (i e lease time, etc) Stateless autoconfiguration of IPv6 allows the client device to self-configure its IPv6 address and routing based on the router
How does the preamble synchronize other devices receiving clocks?
As I know the preamble of an Ethernet packet consists of a 56-bit pattern of alternating 1 and 0 bits But how exactly it helps the other devices to be synced?
PPP, VPN, Tunneling and OSI model - Network Engineering Stack Exchange
I am really confused about tunneling protocol family and all related protocols I read a bunch of articles, rfc but still cannot get the idea I will put my questions between my explanation A l