From: Johnny Dedon (johnny.dedon@xxxxxxxxxx)
Date: Wed May 09 2001 - 14:47:02 GMT-3
Mohamed,
This may not be the cause, and assuming that you have cleared bgp *, have
you tried clearing the local route cache? I really can't think of any
reason you shouldn't see both routes.
Johnny Dedon
Senior Staff Consultant
Exodus Professional Services
johnny.dedon@exodus.net
www.exodus.net
----- Original Message -----
From: "Padhu (LFG)" <padhu@steinroe.com>
To: "'Mohamed Heeba'" <MAHeeba@itqan.co.ae>; "Padhu (LFG)"
<padhu@steinroe.com>; "'Rob Hopkins'" <rshopkins@earthlink.net>;
<ccielab@groupstudy.com>
Sent: Wednesday, May 09, 2001 12:29 PM
Subject: RE: BGP maximum paths
> Oops missed that EBGP routes ..Pls ignore my no synch...
>
> -----Original Message-----
> From: Mohamed Heeba [mailto:MAHeeba@itqan.co.ae]
> Sent: Wednesday, May 09, 2001 11:57 AM
> To: 'Padhu (LFG)'; 'Rob Hopkins'; Mohamed Heeba; ccielab@groupstudy.com
> Subject: RE: BGP maximum paths
>
>
> genltemen ;
> i read most of the posts until now and i didnt find any convencing answer.
> the static routes config are not allowed unless specified .so i cannot
> configure static routes to point to both of the links otherwise it will be
> static routes load balancing.
> the other solution of config with loopbacks and multihop is ok ,but this
is
> another way to config the balance plus the the lab solutions is showing
the
> ser IP as the peer address .
> no synch is helpless here since the routes are learned externally ,no
synch
> will affect only when the routes are learnt internally to let them appear
in
> the route table and then propagated.
> the last answer was about the confederation ,R2 and R5 are in
confederation
> inside the AS 200 ,the AS 300 has nothin to do with that since
confederation
> should be transparen to it .
>
>
> as per halabi ,once you put the maximum path command ,any routes learnt
from
> two peers in the same AS and showing in the BGP table ,should appear in
the
> routing table as well...this doesnt happen with me .
> the two routes are in the BGP table and the prefered one is based on the
> lowest IP (this means they are identical in everything ) ,however they
dont
> show in the route table .......
>
>
> anything there i missed ?????
>
>
>
> > -----Original Message-----
> > From: Padhu (LFG) [SMTP:padhu@steinroe.com]
> > Sent: Wednesday, May 09, 2001 9:15 AM
> > To: 'Rob Hopkins'; Mohamed Heeba; ccielab@groupstudy.com
> > Subject: RE: BGP maximum paths
> >
> > Rob
> >
> > Since R2 and R5 are in confederation in As 200,wouldn't this be
> > transparent
> > to AS300 ? ..that is, all R1 knows about is AS200.... Would no sync help
> > here to install both routes in the IP table ?
> >
> > Cheers,Padhu
> >
> > -----Original Message-----
> > From: Rob Hopkins [mailto:rshopkins@earthlink.net]
> > Sent: Wednesday, May 09, 2001 10:54 AM
> > To: Mohamed Heeba; ccielab@groupstudy.com
> > Subject: Re: BGP maximum paths
> >
> >
> > with bgp max paths, both paths must be from the same AS
> >
> >
> > Thanks,
> >
> > Rob Hopkins
> >
> >
> >
> >
> >
> >
> >
> > 1.6180339887499
> > ----- Original Message -----
> > From: "Mohamed Heeba" <MAHeeba@itqan.co.ae>
> > To: <ccielab@groupstudy.com>
> > Sent: Wednesday, May 09, 2001 10:04 AM
> > Subject: BGP maximum paths
> >
> >
> > > guys ,
> > > i have a router R1 in AS 300 ,connecting to another AS 200 thourgh two
> > > serial connection ,each one going to different routers R2 and R5 (they
> > are
> > > in confederation in As 200)
> > > the requirement is to load balance the traffic across both of the
links.
> > > i have enabled the maximum paths 2 command on the BGP .
> > > but still the routes didnt appear in the routing table .
> > > they are on the bgp table ,showing two paths ,the prefered one is even
> > the
> > > one with the lowest ip address .
> > >
> > > R1 is running 11.1 , do i need to enable anything else to get the
routes
> > in
> > > the ip route table ???
> > > here is R1 configs
> > >
> > >
> > > ------------------------------
> > > interface Loopback0
> > > ip address 206.11.5.1 255.255.255.0 secondary
> > > ip address 206.11.6.1 255.255.255.0 secondary
> > > ip address 206.11.7.1 255.255.255.0 secondary
> > > ip address 206.11.4.1 255.255.255.0
> > > no ip mroute-cache
> > > no ip route-cache
> > > !
> > > interface Serial0
> > > ip address 206.11.20.18 255.255.255.248
> > > no ip mroute-cache
> > > no ip route-cache
> > > bandwidth 64
> > > !
> > > interface Serial1
> > > ip address 206.11.20.66 255.255.255.248
> > > no ip mroute-cache
> > > no ip route-cache
> > > bandwidth 64
> > > !
> > > router bgp 300
> > > network 206.11.4.0
> > > network 206.11.5.0
> > > network 206.11.6.0
> > > network 206.11.7.0
> > > neighbor 206.11.20.17 remote-as 200
> > > neighbor 206.11.20.65 remote-as 200
> > > maximum-paths 2
> > > no auto-summary
> > > !
> > >
> > >
> > > r2501#sh ip bgp
> > > BGP table version is 19, local router ID is 206.11.4.1
> > > Status codes: s suppressed, d damped, h history, * valid, > best, i -
> > > internal
> > > Origin codes: i - IGP, e - EGP, ? - incomplete
> > >
> > > Network Next Hop Metric LocPrf Weight Path
> > > * 10.0.0.2/32 206.11.20.65 0 200 i
> > > *> 206.11.20.17 0 0 200 i
> > > * 10.0.0.4/32 206.11.20.65 0 200 i
> > > *> 206.11.20.17 0 200 i
> > > * 10.0.0.5/32 206.11.20.65 0 0 200 i
> > > *> 206.11.20.17 0 200 i
> > > * 10.1.1.0/24 206.11.20.65 0 200 100 i
> > > *> 206.11.20.17 0 200 100 i
> > > * 20.1.1.0/24 206.11.20.65 0 200 100 i
> > > *> 206.11.20.17 0 200 100 i
> > > * 22.1.1.0/24 206.11.20.65 0 200 100 i
> > > *> 206.11.20.17 0 200 100 i
> > > * 24.1.1.0/24 206.11.20.65 0 200 100 i
> > > *> 206.11.20.17 0 200 100 i
> > > *> 206.11.4.0 0.0.0.0 0 32768 i
> > > *> 206.11.5.0 0.0.0.0 0 32768 i
> > > *> 206.11.6.0 0.0.0.0 0 32768 i
> > > *> 206.11.7.0 0.0.0.0 0 32768 i
> > > r2501#
> > >
> > >
> > > r2501#sh ip route
> > > Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B -
BGP
> > > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > > i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * -
candidate
> > > default
> > > U - per-user static route
> > >
> > > Gateway of last resort is not set
> > >
> > > 10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
> > > B 10.0.0.2/32 [20/0] via 206.11.20.17, 00:14:16
> > > B 10.1.1.0/24 [20/0] via 206.11.20.17, 00:14:16
> > > B 10.0.0.4/32 [20/0] via 206.11.20.17, 00:14:17
> > > B 10.0.0.5/32 [20/0] via 206.11.20.17, 00:14:17
> > > 20.0.0.0/24 is subnetted, 1 subnets
> > > B 20.1.1.0 [20/0] via 206.11.20.17, 00:14:17
> > > 22.0.0.0/24 is subnetted, 1 subnets
> > > B 22.1.1.0 [20/0] via 206.11.20.17, 00:14:17
> > > 24.0.0.0/24 is subnetted, 1 subnets
> > > B 24.1.1.0 [20/0] via 206.11.20.17, 00:14:17
> > > C 206.11.5.0/24 is directly connected, Loopback0
> > > C 206.11.4.0/24 is directly connected, Loopback0
> > > C 206.11.7.0/24 is directly connected, Loopback0
> > > C 206.11.6.0/24 is directly connected, Loopback0
> > > 206.11.20.0/29 is subnetted, 2 subnets
> > > C 206.11.20.64 is directly connected, Serial1
> > > C 206.11.20.16 is directly connected, Serial0
> > > r2501#
> > > **Please read:http://www.groupstudy.com/list/posting.html
> > **Please read:http://www.groupstudy.com/list/posting.html
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