PATHPING – Windows CMD Command

Traceroute and provide network latency and packet loss for each router and link in the path. Combines the functionality of PING and TRACERT.

PathPing is invaluable for determining which routers or subnets are having network problems – it displays the degree of packet loss at any given router or link.

Pathping sends multiple Echo Request messages to each router between a source and destination over a period of time and computes aggregate results based on the packets returned from each router.

Pathping performs the equivalent of the tracert command by identifying which routers are on the path.

To avoid network congestion and to minimize the effect of burst losses, pings should be sent at a sufficiently slow pace (not too frequently.)

When -p is specified, pings are sent individually to each intermediate hop. When -w is specified, multiple pings can be sent in parallel. It’s, therefore, possible to choose a Timeout parameter that is less than the wait Period * Number of hops.

Firewalls
Like tracer PathPing uses Internet Control Message Protocol (ICMP) over TCP/IP. Many firewalls will block ICMP traffic by default. If an attacker is able to forge ICMP redirect packets, he or she can alter the routing tables on the host and possibly subvert the security of the host by causing traffic to flow via a path you didn’t intend.

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