Re: Mpls

Is this for a real need or a lab test ?
If a real need, you might consider doing some route feedling w/o the
actual BGP session. You get the added benefit of not messing with
the data plane , and two extra ethernet ports :)

-Carlos

Marko Milivojevic @ 03/02/2011 09:32 -0300 dixit:
> I unfortunately have - having different router-id is a must in this scenario.
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
> FREE CCIE training: http://bit.ly/vLecture
>
> Mailto: markom_at_ipexpert.com
> Telephone: +1.810.326.1444
> Web: http://www.ipexpert.com/
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> On Thu, Feb 3, 2011 at 13:17, Radioactive Frog <pbhatkoti_at_gmail.com> wrote:
>> Bimbo,
>> Have you tried it with 2 different AS# numbers?
>> Since the BGP PID is the same, I doubt if it works unless IOS is design to
>> do so (as Marko mentioned).
>>
>> I have never tried before though :(
>>
>>
>> On Thu, Feb 3, 2011 at 8:04 PM, bimbo <bimbooloko_at_gmail.com> wrote:
>>> I tried it wit a higer ios ver. It still didn't work. I used 3745
>>> adventerp ios.
>>>
>>> Sent from my BlackBerryB. Smartphone, from Etisalat Enjoy high speed
>>> internet service with Etisalat easy net, available at all our experience
>>> centres
>>>
>>> -----Original Message-----
>>> From: Marko Milivojevic <markom_at_ipexpert.com>
>>> Date: Thu, 3 Feb 2011 09:22:49
>>> To: bimbo siraj<bimbooloko_at_gmail.com>
>>> Cc: Shaughn Smith<maniac.smg_at_gmail.com>;
>>> ccielab_at_groupstudy.com<ccielab_at_groupstudy.com>
>>> Subject: Re: Mpls
>>>
>>> Hello,
>>>
>>> You need to get IOS that supports this functionality. I remember it
>>> being available on 12.2SR for 6500/7600.
>>>
>>> --
>>> Marko Milivojevic - CCIE #18427
>>> Senior Technical Instructor - IPexpert
>>>
>>> FREE CCIE training: http://bit.ly/vLecture
>>>
>>> Mailto: markom_at_ipexpert.com
>>> Telephone: +1.810.326.1444
>>> Web: http://www.ipexpert.com/
>>>
>>> On Thu, Feb 3, 2011 at 08:30, bimbo siraj <bimbooloko_at_gmail.com> wrote:
>>>> hi Marko,
>>>>
>>>> tried it out still didnt work.
>>>> see my sh run and the log below.
>>>>
>>>> ip vrf a
>>>>
>>>> B rd 45000:1
>>>>
>>>> B route-target export 45000:1
>>>>
>>>> B route-target import 45000:1
>>>>
>>>> !
>>>>
>>>> ip vrf b
>>>>
>>>> B rd 65500:1
>>>>
>>>> B route-target export 65500:1
>>>>
>>>> B route-target import 65500:1
>>>>
>>>> !
>>>>
>>>> interface Loopback0
>>>>
>>>> B ip address 10.1.1.1 255.255.255.255
>>>>
>>>> !
>>>>
>>>> interface f0/0
>>>>
>>>> B ip vrf forwarding b
>>>>
>>>> B ip address 172.23.1.2 255.255.0.0
>>>> no shut
>>>> !
>>>>
>>>> interface f0/1
>>>>
>>>> B ip vrf forwarding a
>>>> B ip address 172.23.1.1 255.255.0.0
>>>> no shut
>>>> !
>>>>
>>>> router bgp 45000
>>>>
>>>> B no bgp default ipv4-unicast
>>>>
>>>> B bgp log-neighbor-changes
>>>>
>>>> B neighbor 192.168.3.1 remote-as 45000
>>>>
>>>>
>>>>
>>>> B !
>>>>
>>>> B address-family vpnv4
>>>>
>>>> B neighbor 192.168.3.1 activate
>>>>
>>>> B neighbor 192.168.3.1 send-community extended
>>>>
>>>> B exit-address-family
>>>>
>>>> B !
>>>>
>>>> B address-family ipv4 vrf a
>>>>
>>>> B redistribute connected
>>>>
>>>> B neighbor 172.23.1.2 remote-as 40000
>>>>
>>>> B neighbor 172.23.1.2 local-as 50000 no-prepend
>>>>
>>>> B neighbor 172.23.1.2 ebgp-multihop 2
>>>>
>>>> B neighbor172.23.1.2 activate
>>>>
>>>> B neighbor 172.23.1.2 allowas-in 1
>>>>
>>>> B no auto-summary
>>>>
>>>> B no synchronization
>>>>
>>>> B bgp router-id 172.23.1.1
>>>>
>>>> B exit-address-family
>>>>
>>>> B !
>>>>
>>>> B address-family ipv4 vrf b
>>>>
>>>> B redistribute connected
>>>>
>>>> B neighbor 172.23.1.1 remote-as 50000
>>>>
>>>> B neighbor 172.23.1.1 local-as 40000 no-prepend
>>>>
>>>> B neighbor 172.23.1.1 ebgp-multihop 2
>>>>
>>>> B neighbor 172.23.1.1 activate
>>>>
>>>> B neighbor 172.23.1.1 allowas-in 1
>>>>
>>>> B no auto-summary
>>>>
>>>> B no synchronization
>>>>
>>>> B bgp router-id 172.23.1.2
>>>>
>>>> B exit-address-family
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *MarB B 1 00:09:22.351: %BGP-3-NOTIFICATION: sent to neighbor 172.23.1.1
>>>> 2/3
>>>> (BGP
>>>> identifier wrong) 4 bytes AC170102B B FFFF FFFF FFFF FFFF FFFF FFFF FFFF
>>>> FFFF
>>>> 002D
>>>> B 0104 C350 00B4 AC17 0102 1002 0601 0400 0100 0102 0280 0002 0202 00
>>>> *MarB B 1 00:09:22.379: %BGP-3-NOTIFICATION: received from neighbor
>>>> 172.23.1.2
>>>> 2/3
>>>> B (BGP identifier wrong) 4 bytes AC170102
>>>> *MarB B 1 00:09:48.123: %BGP-3-NOTIFICATION: sent to neighbor 172.23.1.1
>>>> 2/3
>>>> (BGP
>>>> identifier wrong) 4 bytes AC170102B B FFFF FFFF FFFF FFFF FFFF FFFF FFFF
>>>> FFFF
>>>> 002D
>>>> B 0104 C350 00B4 AC17 0102 1002 0601 0400 0100 0102 0280 0002 0202 00
>>>> *MarB B 1 00:09:48.371: %BGP-3-NOTIFICATION: received from neighbor
>>>> 172.23.1.2
>>>> 2/3
>>>> B (BGP identifier wrong) 4 bytes AC170102
>>>>
>>>> On Thu, Feb 3, 2011 at 6:53 AM, bimbo <bimbooloko_at_gmail.com> wrote:
>>>>> Shaughn,
>>>>> That one is for the general bgp, how do I change bgp router Id for
>>>>> different vrf under d same bgp process
>>>>> Sent from my BlackBerryB. Smartphone, from Etisalat Enjoy high speed
>>>>> internet service with Etisalat easy net, available at all our
>>>>> experience
>>>>> centres
>>>>>
>>>>> -----Original Message-----
>>>>> From: Shaughn Smith <maniac.smg_at_gmail.com>
>>>>> Date: Thu, 3 Feb 2011 07:47:21
>>>>> To: bimbo<bimbooloko_at_gmail.com>
>>>>> Cc: Marko Milivojevic<markom_at_ipexpert.com>;
>>>>> ccielab_at_groupstudy.com<ccielab_at_groupstudy.com>
>>>>> Subject: Re: Mpls
>>>>>
>>>>> It will be under the BGP process
>>>>>
>>>>> CCIE # 23962 (SP)
>>>>>
>>>>> Sent from my iPhone 4
>>>>>
>>>>> On 03 Feb 2011, at 7:40 AM, "bimbo" <bimbooloko_at_gmail.com> wrote:
>>>>>
>>>>>> How do u do dat, tried it but didn't see any command simillar.
>>>>>> ------Original Message------
>>>>>> From: Marko Milivojevic
>>>>>> To: bimbo
>>>>>> Cc: ccielab_at_groupstudy.com
>>>>>> Subject: Re: Mpls
>>>>>> Sent: Feb 3, 2011 06:27
>>>>>>
>>>>>> It will work if you manually change router-id in one of the VRFs.
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Marko Milivojevic - CCIE #18427
>>>>>> Senior Technical Instructor - IPexpert
>>>>>>
>>>>>> Free CCIE Training: http://bit.ly/vLecture
>>>>>>
>>>>>> Mailto: markom_at_ipexpert.com
>>>>>> Telephone: +1.810.326.1444
>>>>>> Community: http://www.ipexpert.com/communities
>>>>>>
>>>>>> :: Sent from my phone. Apologies for errors and brevity. ::
>>>>>>
>>>>>> On Feb 2, 2011, at 17:55, "bimbo" <bimbooloko_at_gmail.com> wrote:
>>>>>>
>>>>>>> Hi experts,
>>>>>>> I have this scenario, I know its possible but I can't just make it
>>>>>>> work.
>>>>>>> I have on a router 2 fast ethernet, connected back to back, ie f0/0
>>>>>>> connected to f0/1.
>>>>>>> The two fastethernet belongs to different vrf but in the same
>>>>>>> subnet. I
>>>>>>> tried forming a bgp neighbor btw the two vrf but it isn't working,
>>>>>>> telling
>>>>>>> "bgp-3- notification : sent to neigbor x.x.x.x.x bgp identifier
>>>>>>> wrong 4
>>>>>>> bytes 03030303.
>>>>>>>
>>>>>>> What can I do? Can it be becos ofb the fact dat d two vrfs are using
>>>>>>> the same router-id if yes is it possible for me to create different
>>>>>>> bgp
>>>>>>> router-id under each vrf.
>>>>>>>
>>>>>>> I tried tweaking local as stuff but didn't work.
>>>>>>>
>>>>>>> Thanks expert.
>>>>>>> Sent from my BlackBerry. Smartphone, from Etisalat Enjoy high speed
>>>>>>> internet service with Etisalat easy net, available at all our
>>>>>>> experience
>>>>>>> centres
>>>>>>>
>>>>>>>
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>
>>>>>>>>> _______________________________________________________________________
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>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> Sent from my BlackBerry. Smartphone, from Etisalat Enjoy high speed
>>>>>> internet service with Etisalat easy net, available at all our
>>>>>> experience
>>>>>> centres
>>>>>>
>>>>>>
>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>
>>>>>>> _______________________________________________________________________
>>>>>> Subscription information may be found at:
>>>>>> http://www.groupstudy.com/list/CCIELab.html
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
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>
>
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>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net