[j-nsp] Clearing ARP on Logical Interface (M/MX Series)

[Felix Schueren]

Ross,

> On Tue, Feb 02, 2010 at 11:56:56AM +0100, Felix Sch?ueren wrote:
>> show arp no-resolve | match x/y/z | save tempfile
>> (which takes ~5 seconds on an ethernet router with just ~20k ARP entries)
>> start shell
>> awk '{print "clear arp hostname " $2}' < tempfile
>>
>> and then copy-paste hundreds or thousands of "clear arp" lines.
> 
> A quick tip - JUNOS's cli is generally well-behaved shell, which means
> you can just use cli in your pipeline.  This will do it:
> 
> echo "show arp no-resolve" | cli | grep 'x/y/z' | awk '{ print "clear arp hostname " $2 }' | cli
good tip. You don't have to echo | cli, "cli -c" works as well, so, 
even shorter:

start shell
cli -c 'show arp no-resolve' | grep 'x/y/z' | awk '{ print "clear arp 
hostname " $2 }' | cli

but I'd much prefer J fix clearp arp ;)

-f


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Felix Schüren
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