Re: BGP load balancing using Loopbacks.

R1#sh version | include IOS
Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9-M), Version
12.4(15)T9, RELEASE SOFTWARE (fc5)

R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#router ei 1
R1(config-router)#maximum-paths ?
  <1-16> Number of paths

--
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 Tue, Apr 26, 2011 at 14:23, Steve Di Bias <sdibias_at_gmail.com> wrote:
> On a 2800 runningB 12.4(24)T4 I see 32, but on some running older IOS I'm
> seeing 16 as well
>
> On Tue, Apr 26, 2011 at 2:13 PM, Marko Milivojevic <markom_at_ipexpert.com>
> wrote:
>>
>> I tried on ProctorLabs 2800 and the maximum was 16.
>>
>> --
>> 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 Tue, Apr 26, 2011 at 14:10, Steve Di Bias <sdibias_at_gmail.com> wrote:
>> > Also confirmed the 32 paths on a Cat 6509 runningB 12.2(33)SXI1
>> >
>> > DS-6509-IDF-1(config-router)#maximum-paths ?
>> >
>> > B B <1-32> B Number of paths
>> >
>> > On Tue, Apr 26, 2011 at 2:05 PM, Steve Di Bias <sdibias_at_gmail.com>
>> > wrote:
>> >>
>> >> I noticed the same thing and had to use the master index to find what I
>> >> was looking for
>> >>
>> >> On Tue, Apr 26, 2011 at 1:41 PM, Marko Milivojevic
>> >> <markom_at_ipexpert.com>
>> >> wrote:
>> >>>
>> >>> You are correct. A quick check in the CLI can confirm this. Thanks for
>> >>> a refresher :-)
>> >>>
>> >>> Btw. it looks like EIGRP command reference is once again gone from the
>> >>> DocCD :-).
>> >>>
>> >>> --
>> >>> 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 Tue, Apr 26, 2011 at 13:25, David Prall <dcp_at_dcptech.com> wrote:
>> >>> > Updated: Aug 23, 2005
>> >>> >
>> >>> > I'd say that EIGRP has changed a little bit in the past 5+ years.
>> >>> > Default
>> >>> > max paths use to be all over the place, it is now 4 for all IGP's.
>> >>> > CEF
>> >>> > allows for 32 paths now as well.
>> >>> >
>> >>> > David
>> >>> >
>> >>> > --
>> >>> > http://dcp.dcptech.com
>> >>> >
>> >>> >
>> >>> >> -----Original Message-----
>> >>> >> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
>> >>> >> Behalf
>> >>> >> Of
>> >>> >> Jacek
>> >>> >> Sent: Tuesday, April 26, 2011 3:56 PM
>> >>> >> To: Cisco certification
>> >>> >> Subject: BGP load balancing using Loopbacks.
>> >>> >>
>> >>> >> Hello all,
>> >>> >>
>> >>> >> I am referring to Cisco article:
>> >>> >>
>> >>> >>
>> >>> >>
>> >>> >> http://www.cisco.com/en/US/tech/tk365/technologies_configuration_exampl
>> >>> >> e09186a00800945bf.shtml#conf1
>> >>> >>
>> >>> >> RA(AS11)======EIGRP======RB(AS10)
>> >>> >>
>> >>> >> Peering is done using loopback interfaces.
>> >>> >> RA and RB run EIGRP and advertise Loopbacks and connecting links.
>> >>> >> Load balancing between loopback interfaces is assured by EIGRP.
>> >>> >>
>> >>> >> My question is about Cisco statement:
>> >>> >> "This scenario shows how to achieve load sharing when there are
>> >>> >> multiple *(up
>> >>> >> to a maximum of six), equal-cost links*."
>> >>> >>
>> >>> >> Why there is a limit of 6 links and why they need to be equal ?
>> >>> >> I think that any limits in this scenario are imposed by EIGRP and
>> >>> >> EIGRP
>> >>> >> supports unequal load balancing up to 16 links.
>> >>> >>
>> >>> >> Thanks,
>> >>> >>
>> >>> >>
>> >>> >> 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:
>> >>> > http://www.groupstudy.com/list/CCIELab.html
>> >>>
>> >>>
>> >>> Blogs and organic groups at http://www.ccie.net
>> >>>
>> >>>
>> >>> _______________________________________________________________________
>> >>> Subscription information may be found at:
>> >>> http://www.groupstudy.com/list/CCIELab.html
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>
>> >>
>> >>
>> >> --
>> >> -Steve Di Bias
>> >
>> >
>> >
>> > --
>> > -Steve Di Bias
>> >
>
>
>
> --
> -Steve Di Bias
Blogs and organic groups at http://www.ccie.net