;; -*- scheme -*-

(V4.Icmp.Echo
 (version . 4)
 (ihl . 5)
 (dscp . 0)
 (ecn . 0)
 (total-length . 32)
 (id . #x1e6d)
 (flags . #b010)
 (fragment-offset . 0)
 (ttl . 64)
 (protocol . 1)
 (header-checksum . #x1E3A)
 (source-address . #x7F000001)
 (destination-address . #x7F000001)
 (options)
 (type . 8)
 (code . 0)
 (checksum . #xf7ee)
 (identifier . #x2251)
 (sequence-number . 1)
 (data #xCA #xFE #xAF #xFE))

(V4.Icmp.EchoReply
 (version . 4)
 (ihl . 5)
 (dscp . 0)
 (ecn . 0)
 (total-length . 32)
 (id . #x1e6e)
 (flags . #b000)
 (fragment-offset . 0)
 (ttl . 64)
 (protocol . 1)
 (header-checksum . #x5e39)
 (source-address . #x7F000001)
 (destination-address . #x7F000001)
 (options)
 (type . 0)
 (code . 0)
 (checksum . #xffee)
 (identifier . #x2251)
 (sequence-number . 1)
 (data #xCA #xFE #xAF #xFE))