00343    a2200097   4500020001800000100002900018245005600047260001600103952010900119999001700228  a9781587134289  aCisco Networking Academy  aRouting and Switching Essentials v6 Companion Guide  bCisco Press  00102lcc407-1a20000b20000d2022-12-20e45g258.43l0r2022-12-20 00:00:00v258.43w2022-12-20yOPEN  c97652d97658