II. VLAN Trunking Protocol (VTP)
Diagram
Procedure
- Make a VTP domain CISCO on switches.
- Make a VTP server to 2950-SWA and client to 2950-SWB.
- Enable a Trunking on the fastEthernet ports 0/24 that connects both switches.
- Verifying with VTP Status commands on switches.
- Verifying the VTP Advertisements By Trigger Updates (make vlan’s) On 2950-SWA switch.
- Verifying the VTP Status on switches after triggered update.
- Verifying the VLAN database on 2950-SWA switch after making VLAN’s.
- Verifying the VLAN datatbase consistency on 2950-SWB switch after making VLAN’s on 2950-SWB switch.
Configuration
Step 1(A): Make a VTP Domain CISCO on 2950-SWA switch.
2950-SWA (config)#vtp domain CISCO
Changing VTP domain name from NULL to CISCO
Step 1(B): Make a VTP Domain CISCO on 2950-SWB switch.
2950-SWB(config)#vtp domain CISCO
Changing VTP domain name from NULL to CISCO
Step 2(A): Make a VTP Server to 2950-SWA switch.
2950-SWA(config)#vtp mode ?
client Set the device to client mode.
server Set the device to server mode.
transparent Set the device to transparent mode.
2950-SWA(config)#vtp mode server
Device mode already VTP SERVER.
Step 2(B): Make a VTP Client to 2950-SWB switch.
2950-SWB(config)#vtp mode ?
client Set the device to client mode.
server Set the device to server mode.
transparent Set the device to transparent mode.
2950-SWB(config)#vtp mode client
Setting device to VTP CLIENT mode.
Step 3(A): Enable a Trunking on the fastEthernet ports 0/24 of 2950-SWA
switch.
2950-SWA(config)#int fastEthernet 0/24
2950-SWA(config-if)#switchport mode trunk
Step 3(B): Enable a Trunking on the fastEthernet ports 0/24 of 2950-SWB
switch.
2950-SWB(config)#int fastEthernet 0/24
2950-SWB(config-if)#switchport mode trunk
Step 4(A): Verifying the VTP Status on 2950-SWA switch.
2950-SWA #sh vtp status
VTP Version : 2
Configuration Revision : 3
Maximum VLANs supported locally : 1005
Number of existing VLANs : 6
VTP Operating Mode : Server
VTP Domain Name : CISCO
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xD5 0x18 0x44 0xA3 0xAA 0x16 0xAE 0x35
Configuration last modified by 10.0.0.20 at 3-1-93 06:10:50
Local updater ID is 10.0.0.20 on interface Vl2 (lowest numbered VLAN interface found)
Step 4(B): Verifying the VTP Status on 2950-SWB switch.
2950-SWB#sh vtp status
VTP Version : 2
Configuration Revision : 3
Maximum VLANs supported locally : 250
Number of existing VLANs : 6
VTP Operating Mode : Client
VTP Domain Name : CISCO
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xD5 0x18 0x44 0xA3 0xAA 0x16 0xAE 0x35
Configuration last modified by 10.0.0.20 at 3-1-93 06:10:50
Step 5: Verifying the VTP Advertisements By Trigger Updates ( make vlan’s) On
2950-SWA switch.
2950-SWA(config)#vlan 25
2950-SWA(config-vlan)#vlan 50
2950-SWA(config-vlan)#vlan 75
2950-SWA(config-vlan)#vlan 100
Step 6(A): Verifying the VTP Status on 2950-SWA switch after triggered update.
2950-SWA#sh vtp status
VTP Version : 2
Configuration Revision : 7
Maximum VLANs supported locally : 1005
Number of existing VLANs : 10
VTP Operating Mode : Server
VTP Domain Name : CISCO
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xD5 0x18 0x44 0xA3 0xAA 0x16 0xAE 0x35
Configuration last modified by 10.0.0.20 at 3-1-93 06:10:50
Local updater ID is 10.0.0.20 on interface Vl2 (lowest numbered VLAN interface found)
2950-SWA#
Step 6(B): Verifying the VTP Status on 2950-SWB switch after triggered update.
2950-SWB#sh vtp status
VTP Version : 2
Configuration Revision : 7
Maximum VLANs supported locally : 250
Number of existing VLANs : 10
VTP Operating Mode : Client
VTP Domain Name : CISCO
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xD5 0x18 0x44 0xA3 0xAA 0x16 0xAE 0x35
Configuration last modified by 10.0.0.20 at 3-1-93 06:10:50
Step 7: Verifying the VLAN datatbase on 2950-SWA switch after making
VLAN’s.
2950-SWA#show vlan
VLAN Name Status Ports
-------- --------------------------- --------- -------------------------------
1 default active 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, Fa0/17
Fa0/18, Fa0/19, Fa0/20, Fa0/21
Fa0/22, Fa0/23, Fa0/24, Gi0/1
Gi0/2
2 cttc active Fa0/1
25 VLAN0025 active
50 VLAN0050 active
75 VLAN0075 active
100 VLAN0100 active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
-------- ------ ---------- ----- ------- --------- ---------- ---- ------------- ------- -------
1 enet 100001 1500 - - - - - 0 0
2 enet 100002 1500 - - - - - 0 0
25 enet 100025 1500 - - - - - 0 0
50 enet 100050 1500 - - - - - 0 0
75 enet 100075 1500 - - - - - 0 0
100 enet 100100 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 0 0
1003 tr 101003 1500 - - - - - 0 0
1004 fdnet 101004 1500 - - - ieee - 0 0
1005 trnet 101005 1500 - - - ibm - 0 0
<Output Omitted>
Step 8: Verifying the VLAN datatbase consistency on 2950-SWB switch after
making VLAN’s on 2950-SWA switch.
2950-SWB#show vlan
VLAN Name Status Ports
-------- --------------------------- --------- -------------------------------
1 default active 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, Fa0/17
Fa0/18, Fa0/19, Fa0/20, Fa0/21
Fa0/22, Fa0/23, Fa0/24, Gi0/1
Gi0/2
2 cttc active Fa0/1
25 VLAN0025 active
50 VLAN0050 active
75 VLAN0075 active
100 VLAN0100 active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
-------- ------ ---------- ----- ------- --------- ---------- ---- ------------- ------- -------
1 enet 100001 1500 - - - - - 0 0
2 enet 100002 1500 - - - - - 0 0
25 enet 100025 1500 - - - - - 0 0
50 enet 100050 1500 - - - - - 0 0
75 enet 100075 1500 - - - - - 0 0
100 enet 100100 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 0 0
1003 tr 101003 1500 - - - - srb 0 0
1004 fdnet 101004 1500 - - - ieee - 0 0
1005 trnet 101005 1500 - - - ibm - 0 0
<Output Omitted>
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