You can add comments anywhere in a configuration with the annotate command. Just navigate to the concerned hierarchy and put in your comment.
SAMPLE CONFIGURATION SHOWING THE USE OF ANNOTATE:
[edit]
user@host# show
protocols {
ospf {
area 0.0.0.0 {
interface so-0/0/0 {
hello-interval 5;
}
}
}
}
[edit]
user@host# edit protocols ospf
[edit protocols ospf]
user@host# set area 0.0.0.0
user@host# annotate area 0.0.0.0 "Backbone area configuration added June 15, 1998"
[edit protocols ospf]
user@host# edit area 0.0.0.0
[edit protocols ospf area 0.0.0.0]
user@host# annotate interface so0 "Interface from router sj1 to router sj2"
[edit protocols ospf area 0.0.0.0]
user@host# top
[edit]
user@host# show
protocols {
ospf {
/* Backbone area configuration added June 15, 1998 */
area 0.0.0.0 {
/* Interface from router sj1 to router sj2 */
interface so-0/0/0 {
hello-interval 5;
}
}
}
}