Search Results

perl -lne '{if(/SNMP-ST/){$#A=-1;$f=1;}
if(/IP/){$f=(/1\.1\.1\.1/)?1:0;}if(/SNMP-END/ && ($f)){print join("\n",@A,$_);next}($f)?push(@A,$_):next;}' input_file

awk '/IP *= *1\.1\.1\.1/ {print;while($0!~ /SNMP-END/){getline;print;}}' input_file

or
as Don Cragun has pointed out use nawk

nawk '/IP *= *1\.1\.1\.1/ {print;while($0!~...

Can't you simply run below command and get rid of lines starting with IP and ending with *:-

cat input | egrep -v "^IP|\*$"

This seems to print all of the lines you have labeled above as "some text here":
awk '/^IP = 1\.1\.1\.1$/{copy=1;next} /SNMP-END/{copy=0;next} copy' in