vtys and logging

route-views.oregon-ix.net>sh u
    Line     User      Host(s)			Idle		Location
   2 vty 0			idle                 00:08:11	actinium.cary.cw.net
   3 vty 1			idle                 00:03:55	da1pixdy032.arcommunications.net
   4 vty 2			idle                 00:10:34	fw-dnvr3.dnvrcoidc.firstworld.net
   5 vty 3			idle                 00:00:00	dhcp-65-113.sdsc.edu
   6 vty 4			idle                 00:00:41	user200.users.uol.com.br
   7 vty 5			idle                 22:22:00	166.38.49.186
   9 vty 7			idle                    1d08h	isdn-nat-1.cisco.com
  10 vty 8		idle                    1d10h	rokko.satlink.com
  11 vty 9		idle                 07:05:16	n128-206.tmp.edunet.ru
  13 vty 11		idle                    1d00h	216.145.218.5
  14 vty 12		idle                 00:03:48	161.132.1.139
  15 vty 13		idle                 22:42:08	rokko.satlink.com
  16 vty 14		idle                 07:26:03	203.186.95.8
  17 vty 15		idle                    1d03h	AMERCOL-BEL.BOG.AMERICATEL.NET.CO
  18 vty 16		idle                 02:24:58	ns.langame.net
  19 vty 17		idle                 23:28:35	flyman.netops.mindspring.net
  20 vty 18		idle                 22:33:10	gni-gate.gnilink.net
  21 vty 19		idle                 22:21:41	windr03.win.mnsi.net
  22 vty 20		idle                 23:18:28	rokko.satlink.com
  23 vty 21		idle                 05:44:19	noc69.corp.fast.net
  24 vty 22		idle                 03:52:54	fw-dnvr3.dnvrcoidc.firstworld.net
  25 vty 23		idle                 05:01:45	pine.icu.ac.kr
  26 vty 24		idle                 03:08:59	pc9.4k.langame.net
  27 vty 25		idle                 00:02:10	anala.caida.org
  28 vty 26		idle                 00:00:16	202.84.1.227