The following predefined applications are similar and return the same content:
application junos-icmp-all { term t1 protocol icmp; } application junos-ping { term t1 protocol 1; }
This article explains the difference between these two applications.
Functionally, j unos-ping and j unos-icmp-all are the same. The target protocol for both applications is all types of ICMP, as shown above.
j
unos-ping
unos-icmp-all
These two applications are inherited for configuration compatibility.
junos-icmp-all was used by J-Series and MX/T-Series as part of Junos OS.
junos-icmp-all
junos-ping came from Netscreen as part of Junos-ES OS.
junos-ping
When the two operating systems merged, both applications remained to preserve configuration compatibility.
2019-10-10: Minor non-technical changes made