Destination | Informs the host that a | ||
unreachabl | datagram | cannot | be |
e | delivered. |
|
|
Source | Informs the host to lower the | ||
quench | rate at which it sends | ||
| datagrams | because | of |
| congestion. |
|
|
Redirect | Informs the host of a | ||
| preferred route. |
| |
Time | Indicates that the | ||
exceeded | Live (TTL) of an IP datagram | ||
| has expired. |
|
|
Parameter | Informs that host that there | ||
Problem | is a problem in one the | ||
| ICMP parameter. |
| |
Timestamp | Information that is from the | ||
Request | ICMP data packet. |
| |
Information | Information that is from the | ||
Request | ICMP data packet. |
| |
Information | Information that is from the | ||
Reply | ICMP data packet. |
|
IGMP : This IP protocol is used to establish host memberships in particular
Types multicast groups on a single network. The mechanisms of the protocol allow a host to inform its local router, using Host
|
| Membership Reports. | ||
|
|
|
|
|
|
| Host | Information that is from the | |
|
| Membership | IGMP data packet. |
|
|
| Report |
|
|
|
| Host | Information that is from the |
|
|
| Membership | IGMP data packet. |
|
|
| Query |
|
|
|
| Leave Host | Information that is from the |
|
Source IP : | Message | ICMP data packet. |
| |
This parameter | allows you to specify workstation(s) generating | |||
|
| the data packets. Users can either set a single IP address or set a | ||
|
| range of IP addresses. | ||
Destinatio | : | This parameter lets you specify the set of workstations that | ||
n IP |
| receive the data packets. Users can either set a single IP address | ||
|
| or set a range of IP addresses. | ||
Source | : | You can control requests for using a specific application by | ||
Port |
| entering its port number here. Users can either set a single port | ||
|
| number or a range of port numbers. |
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