Top Layer AppSwitch 2500 allows remote attackers to cause a denial of service via malformed ICMP packets.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7364
http://www.securityfocus.com/bid/1258
http://archives.neohapsis.com/archives/vuln-dev/2000-q2/0921.html
http://archives.neohapsis.com/archives/vuln-dev/2000-q2/0680.html