2015 Cisco andor its affiliates All rights reserved This document is Cisco

2015 cisco andor its affiliates all rights reserved

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© 2015 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 3 of 20
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CCNPv7.1 SWITCH: Lab 3-1 – Static VLANS, Trunking, and VTP In VTP Server mode, VLAN configurations are only stored in the flash:vlan.dat file. While VLANs are manipulated in the configuration mode, the configuration commands do not appear in the running-config. VTP Client A VTP client behaves like a VTP server and transmits and receives VTP updates on its trunks, but you cannot create, change, or delete VLANs on a VTP client. VLANs are configured on another switch in the domain that is in server mode. In VTP Client mode, VLAN configurations are only stored in the flash:vlan.dat file. The configuration of VLANs does not appear in the running-config. VTP Transparent VTP transparent switches do not participate in VTP. A VTP transparent switch does not advertise its VLAN database nor synchronize its VLAN database based on received advertisements. However, transparent switches forward received VTP messages under two circumstances: either the VTP domain name of the transparent switch is empty (not yet configured), or it matches the domain name in the received VTP messages. In VTP Transparent mode, VLAN configurations are stored both in flash:vlan.dat file and also are present in the running-config. If extended range VLANs are used, however, they are stored in the flash:vlan.dat only if the switch is running VTP version 3. VTP Off A switch in VTP Off mode functions in the same manner as a VTP transparent switch, except that it does not forward VTP advertisements on trunks. VTP off is only available on switches that support VTP version 3 although it is not necessary to run VTP version 3 on the switch to be able to put it into the Off mode. In VTP Off mode, VLAN configurations are stored both in flash:vlan.dat file and also are present in the running-config. If extended range VLANs are used, however, they are stored in the flash:vlan.dat only if the switch is running VTP version 3. In this lab we will demonstrate the configuration and operation of both VTP versions 2 and 3. We will do this by first configuring VTP version 2 between DLS1 and ALS1, and then configuring DLS1, DLS2 and ALS2 with VTP version 3. Topology © 2015 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 4 of 20
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CCNPv7.1 SWITCH: Lab 3-1 – Static VLANS, Trunking, and VTP Step 1: Verify VTP status Issue the show vtp status command on DLS1 DLS1# show vtp status VTP Version capable : 1 to 3 VTP version running : 1 VTP Domain Name : VTP Pruning Mode : Disabled VTP Traps Generation : Disabled Device ID : 64a0.e72a.2200 Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00 Feature VLAN: -------------- VTP Operating Mode : Transparent Maximum VLANs supported locally : 1005 Number of existing VLANs : 5 Configuration Revision : 0 MD5 digest : 0x57 0xCD 0x40 0x65 0x63 0x59 0x47 0xBD 0x56 0x9D 0x4A 0x3E 0xA5 0x69 0x35 0xBC Because no VLAN configurations were made, all settings except the VTP mode that was changed in Lab 1 are the defaults. This switch is capable of running version 1, 2 or 3 of VTP and runs version 1 by default. All
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