From: Emir trhulj (skimad@gmail.com)
Date: Mon Apr 17 2006 - 07:41:56 GMT-3
I ran into the same problem on ethernet interfaces when I did the Mock Lab.
Testing on my own rack on fastethernet was not an issue.
Emir
On 4/17/06, Magmax <magmax@bigpond.net.au> wrote:
>
> It does but only dot1q
>
> R3#sh ver
> Cisco IOS Software, 3600 Software (C3640-JS-M), Version 12.3(14)T5,
> RELEASE
> SOFTWARE (fc2)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2005 by Cisco Systems, Inc.
> Compiled Mon 24-Oct-05 23:31 by kellythw
>
> ROM: System Bootstrap, Version 11.1(19)AA, EARLY DEPLOYMENT RELEASE
> SOFTWARE
> (fc1)
>
> R3 uptime is 5 hours, 58 minutes
> System returned to ROM by power-on
> System image file is "flash:c3640-js-mz.123-14.T5.bin"
>
> Cisco 3640 (R4700) processor (revision 0x00) with 105472K/25600K bytes of
> memory.
> Processor board ID 10575783
> R4700 CPU at 100MHz, Implementation 33, Rev 1.0
> 2 Ethernet interfaces
> 1 Token Ring interface
> 4 Serial interfaces
> DRAM configuration is 64 bits wide with parity disabled.
> 125K bytes of NVRAM.
> 32768K bytes of processor board System flash (Read/Write)
>
> Configuration register is 0x2102
>
> R3#sh run
> R3#sh running-
> R3#sh running-config | be interface Ethernet0/0
> interface Ethernet0/0
> no ip address
> half-duplex
> !
> interface Ethernet0/0.6
> encapsulation dot1Q 6
> ip address 163.8.6.6 255.255.255.0
> no snmp trap link-status
> !
> interface Ethernet0/0.263
> encapsulation dot1Q 263
> no snmp trap link-status
>
>
>
> -----Original Message-----
> From: Ivan [mailto:ivan@iip.net]
> Sent: Monday, 17 April 2006 6:33 PM
> 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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This archive was generated by hypermail 2.1.4 : Mon May 01 2006 - 11:41:57 GMT-3