From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Mon Apr 17 2006 - 11:00:28 GMT-3
Depending on the router. The 2500's, for example, do not support the VLAN
tagging feature.
Dave
________________________________
From: nobody@groupstudy.com on behalf of Ivan
Sent: Mon 4/17/2006 4:32 AM
To: ccielab@groupstudy.com; Magmax
Cc: 'sheng li'
Subject: Re: CCIE Lab Questions - Mock Lab questions
As far af i know. Ethernet interface don't allow encapsulation at all.
> You can simulate this problem in your home lab. You will only see this
> problem with Ethernet interfaces and not fast Ethernet interfaces. I think
> native VLAN option does not work with Ethernet interfaces
>
> Ubaid
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Magmax
> Sent: Monday, 17 April 2006 1:30 PM
> To: 'sheng li'; ccielab@groupstudy.com
> Subject: RE: CCIE Lab Questions - Mock Lab questions
>
> My fault (typing mistake)
>
> > Interface ethernet0/0.6
> > Encapsulation dot1q 6
> > Ip address 193.7.6.6 255.255.255.0
> >
> > Interface ethernet0/0.263
> > Encapsulation dot1q 263 native
> > Ip address 204.12.8.6 255.255.255.0
>
> -----Original Message-----
> From: sheng li [mailto:slilxn@yahoo.com]
> Sent: Monday, 17 April 2006 8:23 AM
> To: Magmax; ccielab@groupstudy.com
> Subject: RE: CCIE Lab Questions - Mock Lab questions
>
> Looking at your initial config, something doesn't look
> right. Your e0/0.6 and e0/0.263 should never have the
>
> same IP address:
> > Interface ethernet0/0.6
> > Encapsulation dot1q 6
> > Ip address 193.7.6.6 255.255.255.0
> >
> > Interface ethernet0/0.263
> > Encapsulation dot1q 263 native
> > Ip address 193.7.6.6 255.255.255.0
>
> Your arp debug complains about "wrong cable", and you
> might want to check to see if your network masks and
> other stuffs are correct.
>
> Cheers!
> Frank
>
> --- Magmax <magmax@bigpond.net.au> wrote:
> > Guys,
> >
> > I just reproduced the problem on my home rack and
> > here is the output of
> > debug Arp ------------ very interesting but I am not
> > impressed with myself
> >
> >
> >
> > IP ARP: sent req src 204.12.8.6 0002.b9be.2570,
> > dst 204.12.8.2 0000.0000.0000
> > Ethernet1/0.263
> > IP ARP rep filtered src 204.12.8.2 0004.274d.02a0,
> > dst 204.12.8.6
> > 0002.b9be.2570 wrong cable, interface Ethernet1/0.
> > IP ARP throttled out the ARP Request for 204.12.8.2.
> > IP ARP: sent req src 204.12.8.6 0002.b9be.2570,
> > dst 204.12.8.2 0000.0000.0000
> > Ethernet1/0.263
> > IP ARP rep filtered src 204.12.8.2 0004.274d.02a0,
> > dst 204.12.8.6
> > 0002.b9be.2570 wrong cable, interface Ethernet1/0.
> > IP ARP: sent req src 204.12.8.6 0002.b9be.2570,
> > dst 204.12.8.2 0000.0000.0000
> > Ethernet1/0.263
> > IP ARP rep filtered src 204.12.8.2 0004.274d.02a0,
> > dst 204.12.8.6
> > 0002.b9be.2570 wrong cable, interface Ethernet1/0.
> > IP ARP: sent req src 204.12.8.6 0002.b9be.2570,
> > dst 204.12.8.2 0000.0000.0000
> > Ethernet1/0.263
> > IP ARP rep filtered src 204.12.8.2 0004.274d.02a0,
> > dst 204.12.8.6
> > 0002.b9be.2570 wrong cable, interface Ethernet1/0.
> > Success rate is 0 percent (0/5)
> >
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com] On Behalf Of
> > Magmax
> > Sent: Sunday, 16 April 2006 9:23 AM
> > To: 'Magmax'; ccielab@groupstudy.com
> > Subject: RE: CCIE Lab Questions - Mock Lab questions
> >
> > Guys,
> >
> > These are from a mock lab
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com] On Behalf Of
> > Magmax
> > Sent: Sunday, 16 April 2006 9:17 AM
> > To: ccielab@groupstudy.com
> > Subject: CCIE Lab Questions
> >
> > Guys,
> >
> > I was doing one of the my last lab and I came across
> > follow issues
> >
> >
> > Q1. R6 -- BB1 -- R2
> >
> > All these routers are connected by Ethernet (R6) or
> > fast Ethernet ports
> >
> > Interface connected to R6 was trunk port (allow only
> > required vlan) and make
> > vlan 263 native
> >
> > R6 config
> >
> > Interface ethernet0/0
> > No shut
> >
> > Interface ethernet0/0.6
> > Encapsulation dot1q 6
> > Ip address 193.7.6.6 255.255.255.0
> >
> > Interface ethernet0/0.263
> > Encapsulation dot1q 263 native
> > Ip address 193.7.6.6 255.255.255.0
> >
> >
> > Switch Config (SW1 port 6)
> >
> > Interface fastethernet0/6
> > Switchport trunk encapsulation dot1q
> > Switchport mode trunk
> > Switch trunk allowed vlan 6,263
> > Switch trunk native 263
> >
> >
> >
> > Problem
> >
> > From R6 unable to ping backbone router or R2
> >
> > I don't know what I did wrong here but I found my
> > self in miserable
> > situation and since I thought it was core component
> > of my lab and I never
> > recovered after that
> > Can anyone tell me any useful commands to
> > troubleshoot this issue?
> > Apparently on normal Ethernet interface if you take
> > out native keyword it
> > will work and also from switch config it works
> >
> > I wasted 2 hours on this........ Imagine if it was
> > real lab exam :(
> >
> >
> >
> > Q2.Where can I find NTP in Cisco documentation DVD
> > (under what section)
> > A.I still believe NTP is still confusing topics and
> > I always forget the
> > right way
> >
> >
> >
> > Q3.Another question sometime practice labs are
> > unclear about when they say
> > advertise R1, R2, R3 loopback in OSPF
> >
> > Does this mean I need to redistribute them or
> > configure in ospf areas (my
> > common mistake)
> >
> > Q4.Where are VLAN access maps in documentation DVD?
> >
> >
> > Happy Easter everyone :)
> >
> >
> > Regards,
> >
> > Ubaid
>
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-- Ivan
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