From your description, it sounds like perl is installed on each of the remote hosts. So how about if you create the intended filter script as a file on your local host first (and debug it on your local host, to be sure), then for each of your remote hosts:

 - scp filter.pl remote.host:/your/home/filter.pl
 - ssh remote.host /your/home/filter.pl /etc/sysconfig/netdump
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Note that you can include the "-i" and "-p" flags on the shebang line of the script file, so the script itself can still be just a one-liner (after the shebang line).

If the idea is that each remote host needs a different value in "ip-address-here", you just need a script on the local host that loops over the list of remote hosts, and for each one:

 - create the version of the script for this host as "tmp.pl"
 - scp tmp.pl remote.host:/your/path/tmp.pl
 - ssh remote.host /your/path/tmp.pl /etc/sysconfig/netdump
 - for neatness, tmp.pl could include a third line (after the shebang
    and the s/.../.../):

      END { unlink /your/path/tmp.pl }
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This will avoid the problem your having with insufficient quoting/escaping of shell metacharacters needed for the command-line perl script to work as intended in the remote shell.