Why I got message "invalid syntax, continuing..." when I execute "sysctl -p"?

Solution Verified - Updated -

Issue

  • Why I got a message "invalid syntax, continuing..." when I execute "sysctl -p"?

    When I tried to apply new configuration in /etc/sysctl.conf, I got following message.

$ sudo /sbin/sysctl -p
net.ipv4.ip_forward = 0
<..omitted..>
net.ipv4.ip_local_reserved_ports = XXXXX-XXXYY,XYXXX-XYXYY,[..omitted..]
**※warning: /etc/sysctl.conf(49): invalid syntax, continuing...**
net.core.rmem_default = 262144
<..truncated..>
  • What's the cause of this message?
  • Should I do something for this?

Environment

  • Red Hat Enterprise Linux 5.x
  • Red Hat Enterprise Linux 6.x
  • /etc/sysctl.conf
  • sysctl

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