00458nam a2200157Ia 4500003000600000005001700006008004100023020001800064040002500082082002800107100002000135245006400155260003200219300002600251500002300277NORSU20240426005251.0240215s9999    xx            000 0 und d  a1-58713-171-4  aNORSU-DumcNORSU-Dum  a621.3815372/J63/C2/2007  aJohnson, Allan  0aSwitching basics and intermediate routingcby Allan Johnson  bCisco pressc2007aIndiana   axv, 389 pages; 27 cm.  aincludes appendix