address
Click on the red underlined text to get to the source
... future.
Source Address
The address ...
... ICMP message.
Unless otherwise noted, this can be any of a gateway's addresses.
Destination Address ...
... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Gateway Internet Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Internet ...
... gateway,
G1, checks its routing table and obtains the address of the next
gateway, G2, on the route ...
... network, X. If G2 and the host identified by the internet source
address of the datagram are on the same network, a redirect
message ...
... source route options and the gateway
address in the destination address field, a redirect message is
...
... gateway
address in the destination address field, a redirect message is
not sent even if there is a better route ...
... destination of the echo reply message. To form an echo reply
message, the source and destination addresses are simply reversed,
the type code changed to 0, and the checksum ...
... timestamp
reply message, the source and destination addresses are simply
reversed, the type code changed to 14, and the checksum ...
... Addresses
The address of the source in a information request message will be
the destination ...
... reply message. To form a
information reply message, the source and destination addresses
are simply reversed, the type code changed to 16, and the checksum ...
... network in the IP header
source and destination address fields zero (which means "this"
network). The replying IP ...
... network). The replying IP module should send the reply with the
addresses fully specified. This message is a way for a host to
find out the number of the network ...