From: Mounir Mohamed (mounir.mohamed@gmail.com)
Date: Sun Jan 13 2008 - 06:11:15 ARST
NO, it's not enabled by default on the trunk ports, it's seems you working
on pre-configured device, i recommend to check out this stuff on one device
with default config.
SW#show spanning-tree interface f0/1 detail
Port 3 (FastEthernet0/1) of VLAN0001 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.3.
Designated root has priority 32769, address 001b.904f.cc00
Designated bridge has priority 32769, address 001b.904f.cc00
Designated port id is 128.3, designated path cost 0
Timers: message age 0, forward delay 0, hold 0
Number of transitions to forwarding state: 1
Link type is shared by default
BPDU: sent 2586464, received 0
On Jan 13, 2008 10:02 AM, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
>
> Yes you are right this is trunk port, so you meant to say it is enabled
> for trunk ports by default???which should not be the case....anyway i will
> check it once again today evening,
> Thanks for your input
> Gops
>
>
> ------------------------------
> *From:* Mounir Mohamed [mailto:mounir.mohamed@gmail.com]
> *Sent:* Sunday, January 13, 2008 13:28
> *To:* Gupta, Gopal (NWCC)
> *Cc:* ccielab@groupstudy.com
> *Subject:* Re: BPDU Filter enabled by default on 3560 ??????
>
> NO BPDU-FIlter disabled by default, the below show spanning-tree
> interface x/x detail from one of 3560 catalysts with default configurations,
> i beleive there is something wrong in your configurations, because the
> received BPDU is so high which is not normal unless the port is trunk, so
> please check your config because by default the BPDU-Filter/Guard is
> disbaled.
>
> Port 6 (FastEthernet0/4) of VLAN0020 is forwarding
> Port path cost 19, Port priority 128, Port Identifier 128.6.
> Designated root has priority 32788, address 001b.904f.cc00
> Designated bridge has priority 32788, address 001b.904f.cc00
> Designated port id is 128.6, designated path cost 0
> Timers: message age 0, forward delay 0, hold 0
> Number of transitions to forwarding state: 1
> The port is in the portfast mode
> Link type is point-to-point by default
> BPDU: sent 5978045, received 0
>
> On Jan 12, 2008 9:20 AM, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
>
> > Hi Experts,
> >
> > One Confusion in the Doc Cd, it is written that BPDU filtering is
> > disabled by default as far as 3560's are concerned, but when i see the
> > output of the sh span int f0/10 detail, it shows for every port even if
> > it is trunk :-
> >
> > Port 712 (Port-channel13) of VLAN0001 is forwarding
> > Port path cost 12, Port priority 128, Port Identifier 128.712.
> > Designated root has priority 32769, address 000b.46e5.1380
> > Designated bridge has priority 32769, address 000b.46e5.1380
> > Designated port id is 128.65, designated path cost 0
> > Timers: message age 1, forward delay 0, hold 0
> > Number of transitions to forwarding state: 1
> > Link type is point-to-point by default
> > Bpdu filter is enabled
> > internally<--------------------------------------------------Enabled
> > internally ??????
> > BPDU: sent 5, received 474
> >
> > _______________________________________________________________________
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> >
>
>
>
> --
> Best Reagrds,
> Mounir Mohamed, CCIE #19573
>
-- Best Reagrds, Mounir Mohamed, CCIE #19573
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