From the 3650 that has the 2950 and 11 DHCP on it: 3650#sho vtp stat VTP Version : 2 Configuration Revision : 10 Maximum VLANs supported locally : 1005 Number of existing VLANs : 11 VTP Operating Mode : Client VTP Domain Name : TON VTP Pruning Mode : Disabled VTP V2 Mode : Disabled VTP Traps Generation : Disabled MD5 digest : 0x8A 0x63 0xDB 0x3E 0xAD 0x87 0x52 0x40 Configuration last modified by 192.168.1.254 at 10-15-08 19:25:02 3650#sho vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Gi0/2 5 Voice active 6 Voiceservers active Fa0/1, Fa0/2, Fa0/3, Fa0/4 Fa0/5, Fa0/6, Fa0/7, Fa0/8 Fa0/9, Fa0/10, Fa0/11, Fa0/12 Fa0/13, Fa0/15, Fa0/16, Fa0/17 Fa0/18, Fa0/19, Fa0/20, Fa0/22 9 Mgmt active 10 MainStr active 11 McPhee active Fa0/1, Fa0/2, Fa0/3, Fa0/4 Fa0/5, Fa0/6, Fa0/7, Fa0/8 Fa0/10, Fa0/11, Fa0/12, Fa0/13 Fa0/15, Fa0/16, Fa0/17, Fa0/18 Fa0/19, Fa0/20, Fa0/21, Fa0/22 Fa0/23 12 Data active Fa0/9 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup From the 2950 (with the PC attached): 2950#sho vtp stat VTP Version : 2 Configuration Revision : 10 Maximum VLANs supported locally : 68 Number of existing VLANs : 11 VTP Operating Mode : Client VTP Domain Name : TON VTP Pruning Mode : Disabled VTP V2 Mode : Disabled VTP Traps Generation : Disabled MD5 digest : 0x8A 0x63 0xDB 0x3E 0xAD 0x87 0x52 0x40 Configuration last modified by 192.168.1.254 at 10-15-08 19:25:02 2950#sho vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Gi0/1, Gi0/2 5 Voice active 6 Voiceservers active 9 Mgmt active 10 MainStr active 11 McPhee active Fa0/1, Fa0/2, Fa0/3, Fa0/4, Fa0/5, Fa0/6, Fa0/7, Fa0/8, Fa0/9, Fa0/10, Fa0/11, Fa0/12, Fa0/13, Fa0/14, Fa0/15, Fa0/16, Fa0/18, Fa0/19, Fa0/20, Fa0/21, Fa0/22, Fa0/23, Fa0/24 12 Data active 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active Main 3560G: 3560G#sho vtp stat VTP Version : 2 Configuration Revision : 10 Maximum VLANs supported locally : 1005 Number of existing VLANs : 11 VTP Operating Mode : Server VTP Domain Name : TON VTP Pruning Mode : Disabled VTP V2 Mode : Disabled VTP Traps Generation : Disabled MD5 digest : 0x8A 0x63 0xDB 0x3E 0xAD 0x87 0x52 0x40 Configuration last modified by 192.168.1.254 at 10-15-08 19:25:02 Local updater ID is 192.168.5.247 on interface Vl5 (lowest numbered VLAN interface found) 3560G#sho vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active 5 Voice active 6 Voiceservers active Gi0/1, Gi0/3, Gi0/6 9 Mgmt active 10 MainStr active Gi0/2, Gi0/19 11 McPhee active Gi0/4 12 Data active Gi0/5, Gi0/7, Gi0/8, Gi0/9 Gi0/10, Gi0/11, Gi0/12, Gi0/13 Gi0/14, Gi0/15, Gi0/16, Gi0/17 Gi0/18, Gi0/20, Gi0/21, Gi0/22 Gi0/23 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup The sho runs are attached. Thanks to anyone who can shed any light at all on this!