Cheatsheet: Difference between revisions

Line 692:

#If DNS Server configured is in same Network Check MAC address in ARP Table

#If not found, send ARP for MAC Address

#~~Forwards~~ DNS Query to DNS Server and wait for reply containing IP address of Website

#Forward DNS Query to DNS Server and wait for reply containing IP address of Website

#If DNS server configured is not in same subnet, check Gateway config(IP & MAC address)

#If MAC address not found in ARP Table, send ARP request

Line 706:

*Complete Flow of DNS Traffic

#Check NW config

#DHCP if not configured

#Check Domain name in Browser Cache

#Check Domain name in OS Cache

#If not Found in any cache, Prepare to send UDP DNS query to DNS Server

#If DNS Server configured is in same Network Check MAC address in ARP Table

#If not found, send ARP for MAC Address

#Forward DNS Query to DNS Server and wait for reply containing IP address of Website

#If DNS server configured is not in same subnet, check Gateway config(IP & MAC address)

#If MAC address not found in ARP Table, send ARP request

#After getting reply, fwd the DNS query to gateway

#DNS Server -

#After getting DNS response, start TCP 3-way handshake S-SA-A.

*Complete Flow of Traffic passing through below scenario:

[PC]-----[Hub]-----[Switch]-----[Router]------[Router]------[~~Server~~]

[PC1]-----[Hub]-----[Switch]-----[Router]------[Router]------[PC2]