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1.1.d - VTP
Cisco-CCIE
24
Computer Networking
Professional
02/12/2017

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Cards

Term
over what kind of ports does vtp run?
Definition
trunk
Term
what are the default version and mode settings for vtp?
Definition
version 1
server
Term
if a trunk is configured between 2 switches that had the default config, and then the vtp domain on one of the switches is amended, what will happen on the other switch?
Definition
it will update its domain config
Term
TRUE/FALSE - a switch in transparent mode must be in the same vtp domain to forward vtp updates from neighboring switches?
Definition
True
Term
2 methods of resetting the vtp configuration revision on a switch
Definition
change mode to transparent, then back to client/server.
Change the vtp domain.
Term
TRUE/FALSE - mismatched vtp domains will prevent dtp from negotiating trunks between 2 neighboring swithces?
Definition
True
Term
In what vtp modes will vtp pruning work?
Definition
client or server
Term
why will vtp pruning not work when the neighboring switch is non-cisco?
Definition
vtp is cisco proprietary. The switch will receive no response to the vtp pruning update, so it will assume that all vlans are required by the neighboring switch.
Term
how should pruning be achieved in a multivendor switch environment?
Definition
vtp pruning and manual pruning.
Term
why should you not use vtp pruning when some switches are in transparent mode?
Definition
the transparent switches won't send vtp pruning requests, so a neighboring switch may prune vlans that the transparent switch requires.
Term
what is a quick way to update the vtp revision number if it hasn't happened automatically?
Definition
bounce the trunk links.
Term
what happens when manual pruning and vtp pruning have been configured?
Definition
manual pruning overrides vtp pruning as vlans are simply not requested in the first place.
Term
what enhancements were introduced in VTPv3?
Definition
1. Primary server - mitigates risk of overwrites.
2. new advertisements - extended vlan, private vlan, rspan vlan, mst.
3. vtp can be disabled
4. password can be hidden.
Term
command to configure vtp mode for vlan or mst.
Definition
vtp mode [mode] mst|vlan
Term
what does a primary id of 0000.0000.0000 mean when issuing the "sh vtp statu" command?
Definition
it means that no switch has been promoted to primary.
Term
commmand to make a switch vtp primary for mst or vlan.
Definition
vtp primary vlan force
vtp primary mst force

priv exec commands
Term
TRUE/FALSE - vtp version 1 and 2 will propagate info for extended vlans?
Definition
False
Term
command to turn off vtp.
Definition
no vtp
Term
command to ensure internal vlans are allocated in ascending order.
Definition
vlan internal allocation policy ascending.
Term
what 3 things need to match for the vtp domain to be converged?
Definition
domain
number of existing vlans
revision number
md5 digest - if configured
Term
where can vlan info be viewed in switches running vtp transparent, server or client mode.
Definition
transparent - running config
server - vlan.dat
client - vlan.dat
Term
commands to view vtp pruning info.
Definition
sh int pruning
sh int trunk
Term
TRUE/FALSE - if vtp pruning is configured on the device in vtp server mode, settings will be inherited by all client switches in the same vtp domain?
Definition
True
Term
command to amend the vtp prune-eligible list.
Definition
switchport trunk pruning vlan 2-6,8-1001
switchport trunk pruning vlan add 7
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