Re: Spanning tree .. Killing me .. :-(

Hi Mohan,

Obviously Anthony can speak for himself if needed, but I think what he meant
was that portfast is still a feature we typically enable on ports connected
to end hosts. Those ports connected to end hosts are described as "edge
ports" in RSTP.

On Fri, Dec 11, 2009 at 3:53 AM, <MDevarajan_at_inautix.co.in> wrote:

> Yea .. It PVST is cisco propratry why it showes as ieee enabled.. After
> reading anthony mail I some how got cleared.. :-)
>
>
> Thanks Aundra.!!!..
>
> Mohan
>
>
>
> "Aundra Browning" <aundra.browning_at_earthlink.net>
> 12/10/2009 10:58 AM
>
> To
> Mohan Kumar Devarajan/Chennai/iNautix_at_iNautix, "'Radioactive Frog'"
> <pbhatkoti_at_gmail.com>
> cc
> "'Cisco certification'" <ccielab_at_groupstudy.com>, <nobody_at_groupstudy.com>
> Subject
> RE: Spanning tree .. Killing me .. :-(
>
>
>
>
>
>
>
> P2P interfaces are usually full duplex interfaces (no 10Mb/half duplex,
> which will show up as Shr for shared). They will also show as P2P when
> connected to full duplex router interfaces, etc.
>
> Yes, edge ports connected to end hosts. If you configure an interface with
> portfast, even in PVST - it should show up as an edge port.......is Fa2/44
> configured with portfast?
>
> PVST = Per-VLAN Spanning Tree which is Cisco's enhancement to regular old
> 802.1d. You have "spanning-tree mode pvst" in the config, which is why
> "Spanning tree enabled protocol ieee" shows up below.
>
> Why are you expecting RSTP to show up in the command output below??? It
> isn't enabled.
>
> Aundra (Andre) Browning
> CCIE #21901 (R&S)
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> MDevarajan_at_inautix.co.in
> Sent: Thursday, December 10, 2009 8:57 AM
> To: Radioactive Frog
> Cc: Cisco certification; nobody_at_groupstudy.com
> Subject: Spanning tree .. Killing me .. :-(
>
> Can someone please help me to understand the below concept..
>
>
> As per the below output .. I am thinking its running RSTP protocol rite
> ????
>
> Question 1 : if link type EDGE means .. its connected to enf HOST .. Am I
> rite ??
> Question 2: if link type is P2P means.. Its connected to other switch...
> Am I rite ???
>
>
> VLAN0005
> Spanning tree enabled protocol ieee
> Root ID Priority 8192
> Address 00d0.0152.1805
> Cost 3
> Port 1665 (Port-channel1)
> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
>
> Bridge ID Priority 32768
> Address 00d0.015c.9c05
> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
> Aging Time 300
>
> Interface Role Sts Cost Prio.Nbr Type
> ---------------- ---- --- --------- --------
> --------------------------------
> Fa2/44 Desg FWD 19 128.172 Edge P2p
> Po1 Root FWD 3 128.1665 P2p
> Po2 Desg FWD 3 128.1666 P2p
>
>
> See the running config
>
> Hxxxxxxxx#sh run | inc span
> spanning-tree mode pvst
>
>
>
> Please advise me .. if router is running PVST .. Why the hell its showing
> as " Spanning tree enabled protocol ieee "
>
>
> Thanks,
> Mohan
>
>
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-- 
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Joe Astorino CCIE #24347 (R&S)
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