Re: Where is the trcroute utility?

With all due respect (and due apologies for the top post) TRCROUTE **is** an Oracle supplied utility that is valid only on UNIX/Linux platforms.

Confirmed by the Oracle Copyright on my Linux and Solaris systems.

/Hans

Billy Verreynne wrote:

> Peter wrote:
>
> > I could not find the trcroute utility.
> > It is not in oracle_home\ora92\bin
>
> It is a standard TCP protocol stack command. Together with commands like
> ping, route, ipconfig (not on all platforms) and so on.
>
> On Unix, the command is called traceroute and you should find it in
> /usr/sbin. If not, run a 'whereis traceroute'.
>
> On Windows, it is called tracert.exe (respecting the old DOS 8 char filename
> standard). It should be in \WinNT\System32. If not, run a 'dir/s/b
> tracert.exe'.
>
> BTW, you can also use the ping command to run traceroutes. That's to say
> with a properly implememted ping command (like on Linux and Windows).
>
> A traceroute is down by causing ICMP packets to die on their way to the
> destination. Maybe not politically correct, but you get a funeral notice
> from the machine where it died at.
>
> Each ICMP packet as a TTL (time-to-live) number. TTL in the packet, gets
> decremented by each machince that handles the packet. TTL reaches zero,
> that machine tells you (instead of passing the packet to the next hop).
>
> So, to do a traceroute using ping, you ping the host starting with a TTL of
> 1 and then incrementing it until you reach that host. Each machine along
> the line will thus respond,e.g.
> # ping -t 1 some-machine.somehere
> .. get the 1st machine in the route ..
> # ping -t 2some-machine.somehere
> .. get the 2nd machine in the route ..
> .. etc.
>
> (On Windows, use the -i switch and not the -t switch).
>
> BTW, nowhere does it say that a DBA or Oracle developer should not know his
> pings from his traceroutes. ;-)
>
> Next lesson. How to set up an infinite loop using the route command. :-)
>
> --
> Billy
Received on Mon Jun 02 2003 - 21:50:23 CDT