Show Dtp - Cisco Catalyst 3750 Metro Command Reference Manual

Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands

show dtp

Use the show dtp privileged EXEC command to display Dynamic Trunking Protocol (DTP) information
for the switch or for a specified interface.
Syntax Description interface
interface-id
Command Modes
User EXEC
Command History Release
12.1(14)AX
Examples This is an example of output from the show dtp command:
Switch# show dtp
Global DTP information
This is an example of output from the show dtp interface interface-id command:
Switch# show dtp interface fastethernet1/0/1
DTP information for FastEthernet1/0/1:
TOS/TAS/TNS:
TOT/TAT/TNT:
Neighbor address 1:
Neighbor address 2:
Hello timer expiration (sec/state):
Access timer expiration (sec/state):
Negotiation timer expiration (sec/state): never/STOPPED
Multidrop timer expiration (sec/state):
FSM state:
# times multi & trunk
Enabled:
In STP:
Statistics
----------
3160 packets received (3160 good)
0 packets dropped
6320 packets output (6320 good)
0 output errors
0 trunk timeouts
1 link ups, last link up on Mon Mar 01 1993, 01:02:29
0 link downs
OL-9645-10
show dtp [interface interface-id]
(Optional) Display port security settings for the specified interface. Valid interfaces
include physical ports (including type, module, and port number).
Modification
This command was introduced.
Sending DTP Hello packets every 30 seconds
Dynamic Trunk timeout is 300 seconds
21 interfaces using DTP
0 nonegotiate, 0 bad version, 0 domain mismatches, 0 bad TLVs, 0 other
3160 native, 3160 software encap isl, 0 isl hardware native
ACCESS/AUTO/ACCESS
NATIVE/NEGOTIATE/NATIVE
000943A7D081
000000000000
1/RUNNING
never/STOPPED
never/STOPPED
S2:ACCESS
0
yes
no
Catalyst 3750 Metro Switch Command Reference
show dtp
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