Showing posts with label IPv4. Show all posts
Showing posts with label IPv4. Show all posts

Wednesday, May 1, 2024

Ping Commands

 Ping and Switches to Know

Ping is used to see if a system is up and responding. In a Windows environment make sure that network discovery is turned on or you will not receive a response.

To enable network discovery:
Click the start button in Windows
Select on the left side the Setting icon
Select Network & Internet
Select Ethernet
On the right-hand side select Network and Sharing Center
Then select Private and enable Network Discovery

Switches commonly used with ping:
  • -t unlimited pings until stopped
  • -a to resolve a hostname to an IP address
  • -n for the number of echo requests to send
  • -4 force using IPv4
  • -6 force using IPv6

Monday, April 22, 2024

IPv4 versus IPv6 Differences

 IPv4 / IPv6

IPv4 - Public IP Address / Called Global Address in IPv6
IPv4 - Private IP Address / Called Unique Local Address in IPv6
IPv4 - APIPA (169.254.x.x) / Called Link Local in IPv6 (Begins fe80:)
Loopback: IPv4 127.0.0.1 / IPv6 - ::1/128 or ::1
Multicast: IPv4 first octet 224-239 / IPv6 ff00::/8

Network Path Discovery Tools

 Tracert - Traceroute Both of these are command-line tools. Both use ICMP for the discovery. Tracert Windows uses tracert for path discovery...