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The default interval for Hello packets to be sent out is 5 seconds. Yes, the default settings can be changed by entering "IP HELLO_INTERVAL EIGRP" on the command line.
The 'hello interval' is the time between hello packets, set in seconds as a parameter between two numbers, in OSPF routing timer protocols. The hello interval is the contacting-hello exchange between point A and Point B in computing, where a message is sent via an interface to a website or other computer point and returned to the user. Read about configuring routing timers for 'hello interval' and 'dead interval'.
it is where the router sends all packets with destination of which it has knowledge.
The ping command will send roundtrip packets to a destination ( other PC, router, printer, etc. ) and see how long it takes. The 192.168.0.1 is the destination ( which, by the way is a typical default IP address of a router. ) The -l 1000 is how big the packet should be in bytes. The default is 32, if the -l parameter is not used. And the -n 100 is saying to send it 100 times. The default is 4, when this parameter is not used.
Default gateway
Ping
ping 127.0.0.1
.1 packets
You would only need a default gateway address if you wanted to route packets outside your local area network.
ping -n 8 destination
A default route is considered a gateway of last resort; meaning all ip packets that don't have a match in the routing table of a router will be forwarded to the default route. An ultimate route is a route in the routing table of a router that indicates both the next hop ip address and the exit interface.
1) Start 2) Run 3) Cmd or Command Prompt 4) Type ipconfig /all 5) Write down Default Gateway (i.p. for Smoothwall) 6) Inject packets of information into it, or block it with an I.P. blocker