Introduction to Networking Tools for Gnubies
By Joshua Birnbaum <Pg.1>
Function of Layer
-> Protocol Stack Layer
-> Network Tool
.-------------------------.
- User level applications. |
|
e.g., FTP, HTTP, mozilla, | A P P L I C A T
I O N |
N/A
SSH, etc.
|
|
+-------------------------+
- Delivers data between the |
|
IP and application layers. | T R A N S
P O R T | /bin/netstat
TCP/UDP protos found here. |
|
+-------------------------+
- Provides end-to-end data |
|
/bin/netstat
addressing and packet | I N T
E R N E T (IP) | /sbin/route
routing facilities. |
|
+-------------------------+
- Physical connection to the |
|
/usr/sbin/arp
underlying network. Data | D A
T A L I N K |
~/ifchk
transmission occurs here. |
|
/sbin/ifconfig
`-------------------------'
Tool
Description
Location
/usr/sbin/arp: shows ARP
to IP address mappings Pg.2, No.3
~/ifchk:
network interface management Pg.2, No.5
/sbin/ifconfig: gets/sets network interface
parameters Pg.2, No.4
/bin/netstat:
shows current network status Pg.2, No.1,2,6
/sbin/route: gets/sets
routing table parameters Pg.2, No.6
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