27.
Internet- 100- Ethernet.
: ..
: .
: 09.03.2009
2009
27.
1.1. Internet - 100- Ethernet..
1.2. Ethernet.
1.3. Ethernet Internet.
211.
IP- IP- .
IP .
IP - .
4.2. IP-
| A | 1-126 | 16,7 | 255.0.0.0 | ||
| B | 128-191 | 16 384 | 65 534 | 255.255.0.0 | |
| C | 192-223 | 2 | 255.255.255.0 | ||
| D | 224-239 | 224.0.0.0 | |||
| E | 240-255 |
- .
- ( ).
- ( ).
- D ( ) ( ) . , - . , , . .. D . .
- .
3- . 6.5-6.7 .
<Quidway_S2000>system-view
Enter system view, return to user view with Ctrl+Z.
[Quidway_S2000] interface vlan 1
[Quidway_S2000-Vlan-interface1]ip address 192.168.1.01 255.255.255.0
[Quidway_S2000-Vlan-interface1]description Administrative VLAN1 of Workgroup S20
16-EI
^
% Unrecognized command found at '^' position.
[Quidway_S2000-Vlan-interface1]no shutdown
^
% Unrecognized command found at '^' position.
[Quidway_S2000-Vlan-interface1]ping 192.168.1.21
PING 192.168.1.21: 56 data bytes, press CTRL_C to break
Request time out
|
|
|
Request time out
Request time out
--- 192.168.1.21 ping statistics ---
4 packet(s) transmitted
0 packet(s) received
100.00% packet loss
[Quidway_S2000-Vlan-interface1]tracert 192.168.1.21
traceroute to 192.168.1.21(192.168.1.21) 30 hops max,40 bytes packet
1 * *
[Quidway_S2000-Vlan-interface1]
5 .
2. Internet OSI?
| OSI | Internet |
| Application | Procession |
| Presentation | |
| Session | |
| Transport | Host to host |
| Network | Internet |
| Datalink | |
| Physical |
