UNIX/390 Otracert Dialog
The UNIX/390 Otracert Dialog box enables User Datagram Protocol (UDP) requests with varying time to live (TTL) values to be sent, and then waits for routers between the local and remote hosts to send the TTL-exceeded messages. This command is executed from UNIX/390.
Specify information in the following fields to
send UDP requests.
- Host machine
- In this required entry field, enter the hostname or IP address.
If you have traced a resource using this dialog box previously, your last entry appears in this field. A drop down list, containing your last ten entries, is also available. This field can contain either the hostname or the IP address of the resource to be traced.
Notes:
- If your DNS servers are working properly, a fully qualified IP address is not required.
- If you opened the UNIX/390 Otracert Dialog box by selecting a specific resource and right clicking on it to select the
otracert... menu item, then the IP address of the resource you selected is contained in this entry field.
- NetView domain ID
- In this optional entry field, specify the NetView that defines the UNIX/390 for which the IP trace information is being requested. If you specified a NetView domain ID in this field previously, this field contains the last NetView domain ID you specified. A drop down list, containing your last ten entries, is also available.
Note: If this entry field is left blank, then the NetView domain ID of the machine to which your server is connected (the NetView that issued the NETCONV command) will be used.
- Packet size
- This is an optional entry field indicating the number of bytes for the packet size. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 1 and 65495.
- (-w) Response wait time
- This is an optional entry field indicating (in seconds) how long to wait for a response. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 1 and 255. The default is 5 seconds.
- (-m) Maximum time to live
- This is an optional entry field specifying the maximum time to live (TTL), in seconds. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 1 and 255.
- (-q) Number of times that a probe is sent
- This is an optional entry field specifying the number of times that a probe is sent with the same time-to-live value. This number reflects the total probe transmission (success or failure) per time-to-live increment. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 1 and 20, as defined in the
defaultscheme.properties
file. The default value is 3.
- (-p) Starting port number
- This is an optional entry field specifying the starting port number. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 4096 and 60000. The default is 4096.
- (-t) Type of service (TOS) in the probe packets
- This is an optional entry field specifying the type-of-service (TOS) in the probe packets. If you have specified a number in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available. Valid entries include any number between 0 and 255. The default value is 0 (zero).
- (-s) Source IP address
- This is an optional entry field specifying the source IP address. In this entry field, specify the fully qualified IP address. If you have specified an IP address in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available.
Note: This entry field cannot contain a host name, but must contain a fully qualified IP address.
- Local interface
- This is an optional entry field specifying the local interface over which the trace route packets will be sent. The interface is either a link name (16 byte) from a LINK Profile statement, or the IP address of the local interface. This option is only valid when the packets are sent via a CS for z/OS TCP/IP stack. If you have specified the local interface in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available.
- TCP/IP stack
- This is an optional entry field specifying the name of the TCP/IP stack to be used to send the probe packets. This is an 8-byte procedure name that was used to start TCP/IP. If you have specified the TCP/IP stack in this field previously, this field contains your last entry. A drop down list, containing your last ten entries, is also available.
Select an option:
This section of the UNIX/390 Otracert dialog box provides the following optional check boxes which you can use to make additional specifications.
- (-?) Display help
- This check box requests the command help.
- (-n) Print hop address
- This check box specifies the print hop address. This address is numeric and saves a name server address-to-name lookup for each gateway on the path.
- (-r) Send information directly to host
- This check box bypasses the normal routing tables and sends the information directly to a host in an attached network.
- (-l) Time-to-live value is to be included in each packet
- This check box specifies the time-to-live value in each received packet. This value can be used to help detect asymmetric routing.
- (-v) Verbose
- This check box specifies that additional information is to be sent.
- (-d) Extra messages and debug information is to be printed
- This check box specifies that extra messages, and other debugging information, are to be printed.
Click one of the following buttons:
- Send
- Trace the route, based on the information provided in the fields, and leave the dialog box open.
- Send and Exit
- Trace the route, based on the information provided in the fields, and close the dialog box.
- Show Console Log
- Show the
Console Log window to see the command responses.
- Cancel
- Cancel the trace request and close the dialog box.
- Help
- View help for this dialog box.
Command responses to the trace route query are listed in the
Log Window of the
NMC Topology Console.