@techreport{richardson-ipsec-ikeping-00,
    number =    {draft-richardson-ipsec-ikeping-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-richardson-ipsec-ikeping/00/},
    author =    {Michael Richardson},
    title =     {{An echo request/reply mechanism for ISAKMP
}},
    pagetotal = 9,
    year =      2002,
    month =     feb,
    day =       26,
    abstract =  {Bringing up IPsec gateways, clients and end systems is a hard task. One of the basic problems is determining if two peers can even communicate with each other. There are two typical blocks that can occur. They are at the transport and at the keying levels.},
}