vtputt-putt...

normally processing of commands from the CLI happens as soon as you press enter... not so with VTP when creating a vlan... not until you exit will the command process, as seen below...

sw3550_01#debug sw-vlan vtp events
vtp events debugging is on
sw3550_01#term mon
sw3550_01#config t
sw3550_01(config)#vlan 69
sw3550_01(config-vlan)#do sh vlan brie

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/2, Fa0/4, Fa0/5, Fa0/7
                                                Fa0/8, Fa0/9, Fa0/10, Fa0/11
                                                Fa0/12, Fa0/13, Fa0/14, Fa0/15
                                                Fa0/16, Fa0/17, Fa0/18, Fa0/19
                                                Fa0/20, Fa0/22, Fa0/23, Fa0/24
                                                Gi0/1, Gi0/2
23   VLAN0023                         active
1002 fddi-default                     act/unsup
1003 trcrf-default                    act/unsup
1004 fddinet-default                  act/unsup
1005 trbrf-default                    act/unsup

sw3550_01(config-vlan)#exit
sw3550_01(config)#
now we get our debug output
Dec 27 20:10:40.615: VTP LOG RUNTIME: Transmit vtp summary, domain cisco, rev 13
, followers 1, tlv blk size 8 (inc #tlv field),
   MD5 digest calculated = 8D F5 FD E6 E2 18 EB 99 BD AC F8 2F 8B C5 00 DD

Dec 27 20:10:40.615: VTP LOG RUNTIME: Transmit vtp summary, domain cisco, rev 13
, followers 1, tlv blk size 8 (inc #tlv field),
   MD5 digest calculated = 8D F5 FD E6 E2 18 EB 99 BD AC F8 2F 8B C5 00 DD

Dec 27 20:10:40.615: VTP LOG RUNTIME: Transmit vtp summary, domain cisco, rev 13
, followers 1, tlv blk size 8 (inc #tlv field),
   MD5 digest calculated = 8D F5 FD E6 E2 18 EB 99 BD AC F8 2F 8B C5 00 DD

Dec 27 20:10:40.675: VTP LOG RUNTIME: Summary packet received, domain = cisco, r
ev = 13, followers = 1, length 80, trunk Fa0/1

Dec 27 20:10:40.675: VTP LOG RUNTIME: Validate TLVs : #tlvs 1, max blk size 4
Dec 27 20:10:40.675: VTP LOG RUNTIME: Validate TLVs : #00, val 6, len 4
Dec 27 20:10:40.675: VTP LOG RUNTIME: Summary packet rev 13 equal to domain cisc
o rev 13

Dec 27 20:10:40.679: VTP LOG RUNTIME: Subset packet received, domain = cisco, re
v = 13, seq = 1, length = 220

Dec 27 20:10:40.679: VTP LOG RUNTIME: Summary packet received, domain = cisco, r
ev = 13, followers = 1, length 80, trunk Fa0/3

sw3550_01(config)#
Dec 27 20:10:40.679: VTP LOG RUNTIME: Validate TLVs : #tlvs 1, max blk size 4
Dec 27 20:10:40.679: VTP LOG RUNTIME: Validate TLVs : #00, val 6, len 4
Dec 27 20:10:40.679: VTP LOG RUNTIME: Summary packet rev 13 equal to domain cisc
o rev 13

Dec 27 20:10:40.683: VTP LOG RUNTIME: Subset packet received, domain = cisco, re
v = 13, seq = 1, length = 220


sw3550_01(config)#do sh vlan brie
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/2, Fa0/4, Fa0/5, Fa0/7
                                                Fa0/8, Fa0/9, Fa0/10, Fa0/11
                                                Fa0/12, Fa0/13, Fa0/14, Fa0/15
                                                Fa0/16, Fa0/17, Fa0/18, Fa0/19
                                                Fa0/20, Fa0/22, Fa0/23, Fa0/24
                                                Gi0/1, Gi0/2
23   VLAN0023                         active
69   VLAN0069                         active1002 fddi-default                     act/unsup
1003 trcrf-default                    act/unsup
1004 fddinet-default                  act/unsup
1005 trbrf-default                    act/unsup
sw3550_01(config)#


so much for command processing love...