34.1.3 ICMP
- <Structure of this section>
(1) ICMP messaging format
The formats and settings of ICMP messages sent by the Switch conform to RFC792,RFC950, and RFC1122.
(2) ICMP messaging support spec
The following table describes the supported ICMP message types.
|
ICMP message |
Supported |
|||
|---|---|---|---|---|
|
Type |
Detailed type |
|||
|
- |
Code |
- |
Code |
|
|
Echo Reply |
0 |
- |
0 |
OK |
|
Destination Unreachable |
3 |
Net Unreachable |
0 |
NG |
|
Host Unreachable |
1 |
NG |
||
|
Protocol Unreachable |
2 |
OK |
||
|
Port Unreachable |
3 |
OK |
||
|
Fragmentation Needed and DF Set |
4 |
NG |
||
|
Source Route Failed |
5 |
NG |
||
|
Destination Network Unknown |
6 |
NG |
||
|
Destination Host Unknown |
7 |
NG |
||
|
Network Unreachable for Type of Service |
11 |
NG |
||
|
Host Unreachable for Type of Service |
12 |
NG |
||
|
Communication Administratively Prohibited |
13 |
NG |
||
|
Host Precedence Violation |
14 |
NG |
||
|
Precedence Cutoff in Effect |
15 |
NG |
||
|
Source Quench |
4 |
- |
0 |
NG |
|
Redirect |
5 |
Redirect Datagrams for the Network |
0 |
NG |
|
Redirect Datagrams for the Host |
1 |
NG |
||
|
Redirect Datagrams for the Type of Service and Network |
2 |
NG |
||
|
Redirect Datagrams for the Type of Service and Host |
3 |
NG |
||
|
Alternate Host Address |
6 |
Alternate Address for Host |
0 |
NG |
|
Time Exceeded |
11 |
Time to Live Exceeded in Transit |
0 |
NG |
|
Fragment Reassembly Time Exceeded |
1 |
OK |
||
|
Parameter Problem |
12 |
Pointer Indicates the Error |
0 |
OK |
|
Missing a Required |
1 |
NG |
||
|
Bad Length |
2 |
NG |
||
|
Echo Request |
8 |
- |
0 |
OK |
|
Timestamp Request |
13 |
- |
0 |
NG |
|
Timestamp Reply |
14 |
- |
0 |
OK # |
|
Information Request |
15 |
- |
0 |
NG |
|
Information Reply |
16 |
- |
0 |
NG |
|
Address Mask Request |
17 |
- |
0 |
NG |
|
Address Mask Reply |
18 |
- |
0 |
NG |
|
Router Advertisement Message |
9 |
Normal Router Advertisement |
0 |
NG |
|
Router Solicitation Message |
10 |
- |
- |
NG |
Legend: OK: Supported NG: Not supported-: Not applicable
#: When a Request message is received, a Reply message is returned.