... 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static ... CCIE R&S Lab Workbook Volume I Version 5.0 RIP Disclaimer The following publication, CCIE R&S Lab Workbook Volume I Version 5.0, is designed to assist candidates in the preparation for Cisco ... 255.255.2 55.0 ip rip authentication mode md5 ip rip authentication key-chain RIP R6: key chain RIP key key-string CCIE ! interface FastEthernet0/0.146 ip rip authentication mode text ip rip authentication...