08-20-2012 04:41 PM - edited 03-07-2019 08:27 AM
Hello, I just noticed on a router configuration the the command "spanning-tree mode pvst" has been entered.
Is there any reason why a router would require this command in it's config file or is it just a mistake that it is there.
Thanks.
08-20-2012 04:52 PM
What model router do you have? Can you send a show version and show inventory? Most likely you have a switching module installed in it.
08-21-2012 04:08 PM
Hello, thanks for helping.
It is actually a packet tracer simulation.
A 'show version' reveals:
Cisco IOS Software, 1841 Software (C1841-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 18-Jul-07 04:52 by pt_team
Cisco 1841 (revision 5.0) with 114688K/16384K bytes of memory.
Processor board ID FTX0947Z18E
M860 processor: part number 0, mask 49
2 FastEthernet/IEEE 802.3 interface(s)
2 Low-speed serial(sync/async) network interface(s)
191K bytes of NVRAM.
63488K bytes of ATA CompactFlash (Read/Write)
The command "show inventory" does not work in packet traver.
Based on the above, should I leave the config entry "spanning-tree mode pvst" on the router or delete it ?
Thanks for any advice.
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