Re: Clear ARP cache

["Larry \"DrFranken\" Bolhuis" <midrange@xxxxxxxxxxxx>]

Pgm        PARM(&LINE)
/*  CRTBNDCL   PGM(your-lib/CLRARP)             +
               SRCFILE(your-lib/QCLSRC)         +
               SRCMBR(CLRARP)              */
/* be sure that the PRC retains the upper/lower case */
       DCL        VAR(&LINE) TYPE(*CHAR) LEN(10)
       CALLPRC    PRC('QtocRmvARPTblE') PARM(&LINE 0 '*ALL ' +
                          X'00000000')
   end:
endpgm


On 2/14/2022 8:30 PM, Jim Oberholtzer wrote:
> Years ago I came across a program to clear the ARP cache on IBM i.  Try as
> I might, I can't even find an article on it.  The reason we have to clear
> the ARP is after one of 5 partitions switch from prod to HA, the other four
> partitions ignore DNS and still try to communicate with the prod IP
> address, which due the switch has changed.  I cleared the ARP cache using
> the old iNavigator, but since iNavigator will be going away, and we would
> like to automate the process, I need a program.
>
> Anyone have this little gem?
>
> --
> Jim Oberholtzer
> Chief Technical Architect
> Agile Technology Architects