Re: Where can we find the ethertype value for IPv6 in IOS

Re your first one, I think this is multiprotocol over FR, a SNAP header with
OUI 0x000000 and PID being ethertype, RFC 1490.

Cheers
A.

On 6 April 2011 09:43, Dave Serra <maybeedave_at_yahoo.com> wrote:

> Ok, now that one threw me for a loop. Why would an ethertype of 0x86dd
> show
> up
> in a frame-relay packet?
>
> And I'm thinking if you needed the ethertype for
> bpdu using PVST and PVST+ that
> isn't gonna work, or is it?
>
> Make a small
> loan, Make a big difference - Kiva.org
>
>
>
>
> ________________________________
> From: Brian McGahan <bmcgahan_at_ine.com>
> To: Jay McMickle
> <jay.mcmickle_at_yahoo.com>; Chris Proctor <chris_at_cwproctor.net>
> Cc: Group Study
> <ccielab_at_groupstudy.com>
> Sent: Mon, April 4, 2011 10:15:04 PM
> Subject: RE:
> Where can we find the ethertype value for IPv6 in IOS
>
> You can find this,
> along with other layer 2 protocol type-codes, through the
> "debug frame-relay
> packet" output:
>
> R1#sh run int s0/0
> Building configuration...
>
> Current
> configuration : 138 bytes
> !
> interface Serial0/0
> no ip address
> encapsulation
> frame-relay
> ipv6 address 2001::1/64
> frame-relay map ipv6 2001::2 102 broadcast
> end
>
> R1#debug frame-relay packet
> Frame Relay packet debugging is on
> R1#ping
> 2001::2 repeat 1
>
> Type escape sequence to abort.
> Sending 1, 100-byte ICMP
> Echos to 2001::2, timeout is 2 seconds:
> .
> Success rate is 0 percent (0/1)
> Apr 4 19:13:33.080: Serial0/0(o): dlci 102(0x1861), pkt type 0x86DD(IPV6),
> datagramsize 104
> R1#
>
>
> HTH,
>
> Brian McGahan, CCIE #8593 (R&S/SP/Security)
> bmcgahan_at_INE.com
>
> Internetwork Expert, Inc.
> http://www.INE.com <http://www.ine.com/>
>
>
> -----Original
> Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
> Behalf Of Jay
> McMickle
> Sent: Monday, April 04, 2011 8:01 PM
> To: Chris Proctor
> Cc: Group Study
> Subject: Re: Where can we find the ethertype value for IPv6 in
> IOS
>
> 0x86DD
>
> http://www.cisco.com/en/US/docs/ios/ibm/command/reference/b1ftethc_external_d
> ocbase_0900e4b1812bd2b9_4container_external_docbase_0900e4b1805f84f9.html
> Hope
> this helps.
>
> PS- I wasn't able to find this via DocCD, either. I had to
> google it and keep
> searching through the results. I just started memorizing
> them.
>
>
> Regards,
> Jay McMickle- CCNP, CCSP, CCDP, MCSE
> http://mycciepursuit.wordpress.com/
>
>
>
>
>
> ________________________________
> From: Chris Proctor <chris_at_cwproctor.net>
> To: Aaron <aaron1_at_gvtc.com>
> Cc: Dave
> Serra <maybeedave_at_yahoo.com>; "ccielab_at_groupstudy.com"
> <ccielab_at_groupstudy.com>
> Sent: Mon, April 4, 2011 6:55:27 PM
> Subject: Re:
> Where can we find the ethertype value for IPv6 in IOS
>
> I tried solving this
> same problem. The issue with debug ip(v6) packet
> is it only shows the
> information in the IP datagram. I have been unable
> to locate an IOS command
> which would show the contents of the Ethernet
> payload itself. (Short of
> mirror and WireShark) Anything off the DocCD
> is unreliable (read useless) in
> the actual lab.
>
> In all honesty, I'd love to know if anyone has ever found a
> way to
> output the complete layer 2 payload of any of the media types.
> Regards,
>
> Chris
>
> On 4/4/2011 6:11 PM, Aaron wrote:
> > I wonder if putting an
> ipv6 address on an interface and pinging it and
> >debugging ip packet details
> would show the ether type field on the debug
> >output...?
> >
> > Aaron
> >
> > On Apr
> 4, 2011, at 4:47 PM, Dave Serra<maybeedave_at_yahoo.com> wrote:
> >
> >> Hey Guys,
> >>
> >> I came across a task in one of my practice labs to make sure only
> >>
> IPv6 traffic
> >> is traversing Vlan 40. Is there any where in IOS that will
> show
> >> us the
> >> ethertype for IPv6? I tried to find it in the extended MAC
> >> access-list output
> >> of my 3560 but no luck. Any help is much
> appreciated.
> >> Thanks!
> >>
> >> SW03(config)#mac access-list extended TEST
> >>
> SW03(config-ext-macl)#perm
> >> SW03(config-ext-macl)#permit any any ?
> >>
> <0-65535> An arbitrary EtherType
> >> in decimal, hex, or octal
> >> aarp
> EtherType: AppleTalk ARP
> >>
> >> amber EtherType: DEC-Amber
> >>
> appletalk EtherType:
> >> AppleTalk/EtherTalk
> >> cos CoS value
> >>
> dec-spanning EtherType:
> >> DEC-Spanning-Tree
> >> decnet-iv EtherType:
> DECnet Phase IV
> >> diagnostic
> >> EtherType: DEC-Diagnostic
> >> dsm
> EtherType: DEC-DSM
> >> etype-6000
> >> EtherType: 0x6000
> >> etype-8042
> EtherType: 0x8042
> >> lat EtherType:
> >> DEC-LAT
> >> lavc-sca
> EtherType: DEC-LAVC-SCA
> >> lsap LSAP value
> >>
> >> mop-console
> EtherType: DEC-MOP Remote Console
> >> mop-dump EtherType:
> >> DEC-MOP Dump
> >> msdos EtherType: DEC-MSDOS
> >> mumps EtherType:
> >> DEC-MUMPS
> >> netbios EtherType: DEC-NETBIOS
> >> vines-echo EtherType:
> >> VINES
> Echo
> >> vines-ip EtherType: VINES IP
> >> xns-idp EtherType: XNS
> >>
> IDP
> >> <cr>
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >>
> _______________________________________________________________________
> >>
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> >
> _______________________________________________________________________
> >
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> >
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> >
> >
> >
> >
> >
> >
> >
> >
> > --
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>
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Received on Wed Apr 06 2011 - 10:22:05 ART