Re: Reachibility Issue.

also show run and see if there is any " slow you down " config

----- Original Message -----
From: "Mohamed El Henawy" <m.henawy_at_link.net>
To: "sajid mavani" <sajidmavani_at_gmail.com>; "Mark Matters"
<markccie_at_gmail.com>; "Ryan West" <rwest_at_zyedge.com>
Cc: <ccielab_at_groupstudy.com>
Sent: Saturday, September 12, 2009 9:58 PM
Subject: Re: Reachibility Issue.

> don't go beyond the speed , duplex , vlans...I don't think they would go
> for media types...they have much better tricks to slow you down than this
> one
>
> also show cdp details can be helpful..
>
>
>
> ----- Original Message -----
> From: "sajid mavani" <sajidmavani_at_gmail.com>
> To: "Mark Matters" <markccie_at_gmail.com>; "Ryan West" <rwest_at_zyedge.com>
> Cc: <ccielab_at_groupstudy.com>
> Sent: Saturday, September 12, 2009 8:51 PM
> Subject: Re: Reachibility Issue.
>
>
>> Hi Ryan/Mark
>>
>> Thanks a lot for the useful suggestion I would follow as per the
>> guidelines
>> suggested.
>> I would make sure that i take care when redistributing routes at layer
>> three & step wise check my configuration.
>>
>> In regards to the back bone reachibility during the initial testing if i
>> am
>> not able to ping the backbone (BB1 or BB2) it would be a good idea as
>> suggested to create a SVI and ping the interface.
>>
>> Is it possible if the interface media type is configured incorrectly
>> which
>> could prevent you to ping the back bone interface ?? I tried a lot to
>> check
>> on the site to get any command that could change the media Ethernet
>> media
>> type .. but did not come across.. I am not sure how to go about with it.
>>
>> Please as per convenience please reply.
>>
>> Have a pleasant day!!
>>
>> Regards
>>
>> Sajid
>>
>>
>>
>>
>>
>> On Sat, Sep 12, 2009 at 9:12 PM, Mark Matters <markccie_at_gmail.com> wrote:
>>
>>> I start at the closest router and see if I can ping. If I can not then
>>> I
>>> look at the switches. If everything looks fine I slap a SVI on the
>>> switch
>>> the router/bb is connected to and see if I can ping to the SVI. Can I
>>> ping
>>> from the switch to the router. etc... When in doubt I diagram to see the
>>> path.
>>> I have found this occurs when I misconfigure something, ip address,
>>> access
>>> vlan, trunk ports, did I filter something and I forgot to add all the
>>> necessary info. . I use the same approach as Ryan does. Config, verify
>>> and
>>> move on.
>>>
>>>
>>> Check out INE's blog....troubleshooting articles
>>>
>>>
>>> On Sat, Sep 12, 2009 at 3:37 AM, sajid mavani
>>> <sajidmavani_at_gmail.com>wrote:
>>>
>>>> Hello Seniors,
>>>>
>>>> I had a query if in case you are not able to ping any of your routers
>>>> or
>>>> Backbone interfaces what is the best possible troubleshooting steps.
>>>>
>>>> As per my understanding I would follow the following steps.
>>>>
>>>> 1) sh ip int b -- check the line protocol
>>>> 2) check duplex settings
>>>> 3) trace route check .
>>>> 4) check for any access-list configured that would block ping
>>>> reachibility.
>>>> 5) check proper access vlan passed in the given interface
>>>> 6) ?
>>>> 7) ?
>>>> 8) ?
>>>> 9) ?
>>>>
>>>> Also if possible let me know what would be the best approach to
>>>> troubleshoot any layer 2 & Layer 3 related problems if possible.
>>>>
>>>> Please let me know what would be the best approach, kindly reply to my
>>>> query
>>>> as per your convenience
>>>>
>>>> Have a pleasant day!!!
>>>>
>>>> Regards
>>>>
>>>> Sajid .
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
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>>
>>
>
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Received on Sat Sep 12 2009 - 21:59:17 ART