From: Victor Cappuccio (cvictor@protokolgroup.com)
Date: Sat Aug 12 2006 - 19:19:40 ART
Use a Sniffer to get that info
This is a BPDU:
18:10:46.762831 802.1d config 800c.00:0e:84:d0:d3:80.800b root
600c.00:0b:5f:55:f8:00 pathcost 1 age 1 max 20 hello 2 fdelay 15
This is a CDP Packet:
18:11:11.570914 CDPv2, ttl: 180s, checksum: 692 (unverified), length 326
Device-ID (0x01), length: 3 bytes: 'Sw2'[|cdp]
This is VTP Packet
18:13:43.018500 00:0e:84:d0:d3:8b (oui Unknown) > 01:00:0c:00:00:00 (oui
Unknown) SNAP Unnumbered, ui, Flags [Command], length 76
More fun stuff about this at:
http://www.cisco.com/en/US/products/hw/switches/ps663/products_tech_note0918
6a0080094713.shtml#cat_control
Regards
Victor.-
-----Mensaje original-----
De: nobody@groupstudy.com [mailto:nobody@groupstudy.com] En nombre de
sabrina pittarel
Enviado el: Sabado, 12 de Agosto de 2006 05:54 p.m.
Para: devecchio; 'Cisco certification'
CC: 'Joshua'
Asunto: Re: Internetwork Expert Lab 11 Task 1.7
Yahh..
cdp, dtp, vtp, udld...they all use SNAP encap and
Cisco proprietary ethertypes, that I couldn't find
published anywhere. My resolution is to permit all
traffic destined for mac 0100.0ccc.cccc (CISCO mac for
all proprietary L2 protocols) hoping that is good
enough.
ARP, IP and IPv6 ethertype, and STP saps, well that
you should know.
Sabrina
--- devecchio <devecchio.turner@sbcglobal.net> wrote:
> Team,
>
>
>
> I understand the concepts of vlan maps but in the
> lab listed above where
> would I go to find the correct ether types values to
> create the acls to
> prevent blocking of cdp, arp, stp.etc?
>
>
This archive was generated by hypermail 2.1.4 : Fri Sep 01 2006 - 15:41:57 ART