From: cisco efiko (ciscoefiko@googlemail.com)
Date: Tue Apr 24 2007 - 11:06:34 ART
Sorry I meant is there a debug command to use?
On 4/24/07, Sean.Zimmerman@clubcorp.com <Sean.Zimmerman@clubcorp.com> wrote:
>
>
> I used wireshark to capture a MSTP BPDU, and it appears to have the same
> DSAP and SSAP as a regular STP BPDU. It uses an STP version number 3 to
> signify mst.
>
>
> Here's the output of the capture:
>
> IEEE 802.3 Ethernet
> Destination: Spanning-tree-(for-bridges)_00 (01:80:c2:00:00:00)
> Address: Spanning-tree-(for-bridges)_00 (01:80:c2:00:00:00)
> .... ...1 .... .... .... .... = IG bit: Group address
> (multicast/broadcast)
> .... ..0. .... .... .... .... = LG bit: Globally unique address
> (factory default)
> Source: Cisco_f5:a1:c4 (00:0f:8f:f5:a1:c4)
> Address: Cisco_f5:a1:c4 (00:0f:8f:f5:a1:c4)
> .... ...0 .... .... .... .... = IG bit: Individual address
> (unicast)
> .... ..0. .... .... .... .... = LG bit: Globally unique address
> (factory default)
> Length: 106
> Logical-Link Control
> DSAP: Spanning Tree BPDU (0x42)
> IG Bit: Individual
> SSAP: Spanning Tree BPDU (0x42)
> CR Bit: Command
> Control field: U, func=UI (0x03)
> 000. 00.. = Command: Unnumbered Information (0x00)
> .... ..11 = Frame type: Unnumbered frame (0x03)
> Spanning Tree Protocol
> Protocol Identifier: Spanning Tree Protocol (0x0000)
> Protocol Version Identifier: Multiple Spanning Tree (3)
> BPDU Type: Rapid/Multiple Spanning Tree (0x02)
> BPDU flags: 0x3c (Forwarding, Learning, Port Role: Designated)
> 0... .... = Topology Change Acknowledgment: No
> .0.. .... = Agreement: No
> ..1. .... = Forwarding: Yes
> ...1 .... = Learning: Yes
> .... 11.. = Port Role: Designated (3)
> .... ..0. = Proposal: No
> .... ...0 = Topology Change: No
>
>
>
>
>
>
> *"cisco efiko" <ciscoefiko@googlemail.com>*
>
> 04/24/2007 07:00 AM
> To
> "Ivan Ivanov" <ivanov.ivan@gmail.com> cc
> "Jeff Mullan" <jmullan78@gmail.com>, "Sean.Zimmerman@clubcorp.com" <
> Sean.Zimmerman@clubcorp.com>, "Cisco certification" <
> ccielab@groupstudy.com>, dampened <cheechew@hotmail.com>, "Henk de Tombe"
> <henk.de.Tombe@qi.nl>, nobody@groupstudy.com
> Subject
> Re: L2 Ethertype mac acl
>
>
>
>
>
> Ivan,
>
> Thanks for the link, but it's still the same with all the links sent.
>
> arp = 0x806 0x0
> pvst+ = 0xAAAA 0x0
> pvst = 0x4343 0x0
> stp = 0x4242 0x0
> mst = ?
>
> I.e, these links have the ARP value 0x806, but not the others, except too
> much study is clouding my sight?!
>
>
> On 4/24/07, *Ivan Ivanov* <*ivanov.ivan@gmail.com* <ivanov.ivan@gmail.com>>
> wrote:
> Hello,
> *
> **http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3900/c3930ug/codes.htm
> *<http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3900/c3930ug/codes.htm>
>
> Maybe this will help
>
> HTH
>
> On 4/24/07, cisco efiko <*ciscoefiko@googlemail.com*<ciscoefiko@googlemail.com>>
> wrote:
> > Hi,
> >
> > I did ask this before sometime, the list on the CCO link you have
> provided
> > is not complete. Is there another way to find out these Ethertype
> values?
> >
> >
> > On 4/23/07, Jeff Mullan <*jmullan78@gmail.com* <jmullan78@gmail.com>>
> wrote:
> > >
> > > Thanks buddy !!!
> > >
> > > On 4/23/07, *Sean.Zimmerman@clubcorp.com*<Sean.Zimmerman@clubcorp.com><
> *Sean.Zimmerman@clubcorp.com* <Sean.Zimmerman@clubcorp.com> >
> > > wrote:
> > > >
> > > >
> > > > Ethertype codes (under IOS bridging command reference):
> > > >
> > > >
> > > *
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hbr_r/br_aph.htm
> *<http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hbr_r/br_aph.htm>
> > > >
> > > >
> > > >
> > > >
> > > > *"Jeff Mullan" <* jmullan78@gmail.com* <jmullan78@gmail.com>>*
> > > > Sent by: *nobody@groupstudy.com* <nobody@groupstudy.com>
> > > >
> > > > 04/23/2007 04:31 PM Please respond to
> > > > "Jeff Mullan" < *jmullan78@gmail.com* <jmullan78@gmail.com>>
> > > >
> > > > To
> > > > "Henk de Tombe" <*henk.de.Tombe@qi.nl* <henk.de.Tombe@qi.nl>> cc
> > > > dampened <*cheechew@hotmail.com* <cheechew@hotmail.com>>, "Cisco
> certification" <
> > > > *ccielab@groupstudy.com* <ccielab@groupstudy.com> > Subject
> > > > Re: L2 Ethertype mac acl
> > > >
> > > >
> > > >
> > > >
> > > > Is this some thing on the Doc CD we can refer to during the exam ?
> > > >
> > > > On 4/23/07, Henk de Tombe <*henk.de.Tombe@qi.nl*<henk.de.Tombe@qi.nl>>
> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > LLC assignments:
> > > > > *http://standards.ieee.org/regauth/llc/llcassignments.pdf*
> > > > >
> > > > > Ethertype assignments:
> > > > > *http://www.iana.org/assignments/ethernet-numbers*
> > > > >
> > > > > regards,
> > > > > Henk
> > > > >
> > > > >
> > > > > -----Oorspronkelijk bericht-----
> > > > > Van: *nobody@groupstudy.com* <nobody@groupstudy.com> [mailto:*nobody@groupstudy.com
> * <nobody@groupstudy.com>] Namens
> > > > > dampened
> > > > > Verzonden: maandag 23 april 2007 12:55
> > > > > Aan: Cisco certification
> > > > > Onderwerp: L2 Ethertype mac acl
> > > > >
> > > > > Could someone comment the accuracy of my compilation?
> > > > >
> > > > > arp = 0x806 0x0
> > > > > pvst+ = 0xAAAA 0x0
> > > > > pvst = 0x4343 0x0
> > > > > stp = 0x4242 0x0
> > > > > mst = ?
> > > > >
> > > > > Does anyone know what value should be used for MST?
> > > > > Where can I get all this information from DocCD? The one that on
> the
> > > > > Bridging Command appendix is not complete.
> > > > >
> > > > >
> > >
> _______________________________________________________________________
> > > > > Subscription information may be found at:
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> > > > >
> > > > >
> > >
> _______________________________________________________________________
> > > > > Subscription information may be found at:
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> > > >
> > > >
> _______________________________________________________________________
> > > > Subscription information may be found at:
> > > > *http://www.groupstudy.com/list/CCIELab.html*
> > >
> > >
> _______________________________________________________________________
> > > Subscription information may be found at:
> > > *http://www.groupstudy.com/list/CCIELab.html*
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
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> >
>
>
> --
> Best Regards!
>
> Ivan Ivanov
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