Module 17 Netacad

ipconfig

Used to display the current IP configuration information for a host. Information includes IP address, subnet mask, and default gateway.

ipconfig /all

Displays additional information including MAC address, IP addresses of the default gateway and DNS servers. Also indicates if DHCP is enabled, the DHCP server address, and lease information.

ipconfig /release

Will release current DHCP bindings.

ipconfig /renew

Will request a fresh configuration information from the DHCP server.

Ping

A network utility used to test the reachability of a device on a network by sending an echo request and receiving an echo reply. It helps diagnose network connectivity and issues, such as packet loss or DNS problems.

Ping -t

This option pings the specified host continuously until stopped. Use Ctrl+C to stop and view statistics.

Ping -a

Resolves IP addresses to their corresponding hostnames.

Ping -n count

Specifies the number of echo requests to send

Ping -l size

Sets the size of the send buffer in bytes.

Ping -f

Sets the "Don't Fragment" flag for IPv4 packets.

Ping -i TTL

Sets the Time To Live (TTL) value for the packet.

Ping -v TOS

Sets the Type of Service (TOS) field for IPv4 packets (deprecated).

Ping -r count

Records the route for a given number of hops (IPv4 only).

Ping -s count

Timestamps the packets for a given number of hops (IPv4 only).

Ping -j host-list

Performs a loose source route along a specified list of hosts (IPv4 only).

Ping -k host-list

Performs a strict source route along a specified list of hosts (IPv4 only).

Ping -w timeout

Sets a timeout in milliseconds to wait for each reply.

Ping -R

Uses a routing header to test the reverse route (IPv6 only, deprecated).

Ping -S srcaddr

Specifies the source address to use for the ping request.

Ping -c compartment

Sets the routing compartment identifier for the ping request.

Ping -p

Pings a Hyper-V Network Virtualization provider address.

Ping -4

Forces the ping command to use IPv4.

Ping -6

Forces the ping command to use IPv6.

netstat

Displays network connections, including open ports and established connections, along with their status.

tracert

Displays the route taken by packets to reach the destination host, showing each hop along the path.

nslookup

Directly queries a DNS server to obtain information about a domain, such as its IP address or other DNS records.