[j-nsp] Load Balance in VRF by Junos

Gabriel Farias gabrielfarias03 at gmail.com
Mon Apr 5 13:09:25 EDT 2010


Hi,

I configured the router the suggested parameters in URL:

{master}[edit]

RT110# show policy-options policy-statement load-balance

term 1 {

    then {

        load-balance per-packet;

    }

}



RT110# show routing-options

forwarding-table {

    export load-balance;

}

RT110# show forwarding-options

load-balance {

    indexed-next-hop;

}

hash-key {

    family inet {

        layer-3;

        layer-4;

    }

}

The continuing imbalance in the physical interfaces:

{master}[edit]

RT110# run show interfaces ge-3/0/3 | match rate

  Input rate: 520010728 bps (98183 pps)

  Output rate: 585910320 bps (176371 pps)



{master}[edit]

RT110# run show interfaces ge-3/0/0 | match rate

  Input rate: 621317752 bps (107767 pps)

  Output rate: 107517264 bps (17319 pps)


The configuration is correct? Or we would have to configure within the
routing-instances dados.


Thanks

Gabriel Farias



2010/4/5 Serge Vautour <sergevautour at yahoo.ca>

> Hello,
>
> eBGP shouldn't come into play here. Your physical interfaces are bundled as
> 1 logical interface (ae0). Load balancing over L3 LAG interfaces works the
> same as ECMP links. You have to configure this:
>
>
> http://www.juniper.net/techpubs/en_US/junos10.0/information-products/topic-collections/config-guide-policy/policy-configuring-per-packet-load-balancing.html
>
> Stefan has suggested this below. Have you tried it?. Can you post your
> relevant config?
>
> What I find weird is you do have some egress traffic on both physical
> links. It's just not even close to being balanced. Without any load
> balancing configs, I would expect to see 0 bps on one link. Do you have
> enough flows? If most of your traffic is generated from just a few flows,
> you may not be able to get much better.
>
> Serge
>
>
> ----- Original Message ----
> From: Gabriel Farias <gabrielfarias03 at gmail.com>
> To: mail-list <mohan.nanduri at gmail.com>
> Cc: juniper-nsp at puck.nether.net; uniper-nsp-bounces at puck.nether.net
> Sent: Mon, April 5, 2010 1:20:33 PM
> Subject: Re: [j-nsp] Load Balance in VRF by Junos
>
> Stefan,
>
> This configuration has no effect, because the connection (PE x CE) uses
> EBGP
> routing within the VRF dados.
>
> What I need is to balance the outbound traffic of physical interfaces of
> RT110, you have any other suggestions?
>
> Thanks
> Gabriel Farias
>
>
>
> 2010/4/5 mail-list <mohan.nanduri at gmail.com>
>
> > try this and see if it makes any difference...
> >
> > set forwarding-options hash-key family mpls label-1
> >  set forwarding-options hash-key family mpls payload ip
> > or
> > set forwarding-options hash-key family mpls label-1
> >  set forwarding-options hash-key family mpls label-2
> > set forwarding-options hash-key family mpls payload ip
> >
> >
> >
> >
> >
> > On Mon, Apr 5, 2010 at 8:35 AM, Gabriel Farias <
> gabrielfarias03 at gmail.com>wrote:
> >
> >> Stefan,
> >>
> >> Any suggestions to correct this imbalance?
> >>
> >> Thanks,
> >> Gabriel Farias
> >>
> >> 2010/4/1 Gabriel Farias <gabrielfarias03 at gmail.com>
> >>
> >> > Sorry for my bad translation, follows the configuration:
> >> >
> >> > *Interfaces*:
> >> > show configuration interfaces ge-3/0/0
> >> > description "*BA* G2/47 - SW001";
> >> > gigether-options {
> >> >     802.3ad ae0;
> >> > }
> >> > show configuration interfaces ge-3/0/3
> >> > description "*BA* G1/47 - SW001";
> >> > gigether-options {
> >> >     802.3ad ae0;
> >> > }
> >> > show configuration interfaces ae0
> >> > description "*BA* Po150 - SW001";
> >> > mtu 9192;
> >> > unit 0 {
> >> >     family inet {
> >> >         address 10.251.40.53/30;
> >> >     }
> >> > }
> >> >
> >> > *VRF instances*:
> >> > show configuration routing-instances dados
> >> > instance-type vrf;
> >> > interface ae0.0;
> >> > ...
> >> > protocols {
> >> >     bgp {
> >> >         group PEER-SW001 {
> >> >             type external;
> >> >             hold-time 30;
> >> >             peer-as 65100;
> >> >             as-override;
> >> >             neighbor 10.251.40.54;
> >> >         }
> >> >     }
> >> >
> >> > What I need is to balance the outbound traffic of physical interfaces,
> >> see
> >> > that is constant unbalance
> >> >
> >> > {master}
> >> > RT110> show interfaces ge-3/0/0 | match rate
> >> >   Input rate     : 271677184 bps (69055 pps)
> >> >   Output rate    : 37802544 bps (10429 pps)
> >> >
> >> > {master}
> >> > RT110> show interfaces ge-3/0/3 | match rate
> >> >   Input rate     : 293302512 bps (61095 pps)
> >> >   Output rate    : 628471504 bps (134276 pps)
> >> >
> >> > {master}
> >> > RT110> show interfaces ge-3/0/0 | match rate
> >> >   Input rate     : 298597864 bps (70456 pps)
> >> >   Output rate    : 34856992 bps (8756 pps)
> >> >
> >> > {master}
> >> > RT110> show interfaces ge-3/0/3 | match rate
> >> >   Input rate     : 288075200 bps (57232 pps)
> >> >   Output rate    : 657782056 bps (129224 pps)
> >> >
> >> >
> >> >
> >> >
> >> > 2010/3/31 Stefan Fouant <sfouant at shortestpathfirst.net>
> >> >
> >> >> I'm sorry, your request is getting lost in translation. Why don't you
> >> just
> >> >> show us your configs and do a 'show route x.x.x.x' and 'show route
> >> >> forwarding-table destination x.x.x.x' for the route you are trying to
> >> >> load-balance.
> >> >>
> >> >> Thanks,
> >> >>
> >> >>
> >> >> Stefan Fouant
> >> >>
> >> >> Sent from my Verizon Wireless BlackBerry
> >> >> ------------------------------
> >> >> *From: * Gabriel Farias <gabrielfarias03 at gmail.com>
> >> >> *Date: *Wed, 31 Mar 2010 18:51:04 -0300
> >> >> *To: *<sfouant at shortestpathfirst.net>
> >> >> *Cc: *<juniper-nsp-bounces at puck.nether.net>; <
> >> juniper-nsp at puck.nether.net
> >> >> >
> >> >> *Subject: *Re: [j-nsp] Load Balance in VRF by Junos
> >> >>
> >> >> I'm not using EBGP external type in PE (M120)
> >> >>
> >> >> Reagards,
> >> >> Gabriel Farias
> >> >>
> >> >> 2010/3/31 Stefan Fouant <sfouant at shortestpathfirst.net>
> >> >>
> >> >>> Do you have multi-path enabled on your EBGP sessions?
> >> >>>
> >> >>> Stefan Fouant
> >> >>>
> >> >>> Sent from my Verizon Wireless BlackBerry
> >> >>> ------------------------------
> >> >>> *From: * Gabriel Farias <gabrielfarias03 at gmail.com>
> >> >>> *Date: *Wed, 31 Mar 2010 18:32:18 -0300
> >> >>> *To: *<sfouant at shortestpathfirst.net>
> >> >>> *Cc: *<juniper-nsp-bounces at puck.nether.net>; <
> >> >>> juniper-nsp at puck.nether.net>
> >> >>> *Subject: *Re: [j-nsp] Load Balance in VRF by Junos
> >> >>>
> >> >>> I have a section between EBGP VRF PE x CE via two physical
> connections
> >> >>> (aggregate ethernet) and see the traffic unbalanced because the
> Junos
> >> uses
> >> >>> the default flow.
> >> >>>
> >> >>> I need the traffic between the PE x CE is symmetrically balanced
> way,
> >> the
> >> >>> previous setting and did not work, and within the configuration
> >> >>> routing-instance <name> not have all the options.
> >> >>>
> >> >>> Thanks
> >> >>> Gabriel Farias
> >> >>>
> >> >>> 2010/3/31 Stefan Fouant <sfouant at shortestpathfirst.net>
> >> >>>
> >> >>>> You need the following:
> >> >>>>
> >> >>>> 'set routing-option forwarding-table export load-balance'
> >> >>>>
> >> >>>> and
> >> >>>>
> >> >>>> 'set policy-options policy-statement load-balance then load-balance
> >> >>>> per-packet'
> >> >>>>
> >> >>>> Sorry for the top-post, I'm on my Blackberry.
> >> >>>>
> >> >>>> HTHs.
> >> >>>>
> >> >>>> Stefan Fouant
> >> >>>> ------Original Message------
> >> >>>> From: Gabriel Farias
> >> >>>> Sender: juniper-nsp-bounces at puck.nether.net
> >> >>>> To: juniper-nsp at puck.nether.net
> >> >>>> Subject: [j-nsp] Load Balance in VRF by Junos
> >> >>>> Sent: Mar 31, 2010 4:23 PM
> >> >>>>
> >> >>>> Hi members,
> >> >>>>
> >> >>>>
> >> >>>> How to balance traffic between EBGP equipment Juniper M120 (PE) x
> >> Cisco
> >> >>>> 6509
> >> >>>> (CE) Switch, which are connected via ethernet aggregated?
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>> I used the setup below and did not work the Juniper continues with
> >> the
> >> >>>> output unbalanced traffic.
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>> configuration forwarding-options
> >> >>>>
> >> >>>> load-balance {
> >> >>>>    indexed-next-hop;
> >> >>>> }
> >> >>>> hash-key {
> >> >>>>    family inet {
> >> >>>>        layer-3;
> >> >>>>        layer-4;
> >> >>>>    }
> >> >>>> }
> >> >>>>
> >> >>>>
> >> >>>> Thanks,
> >> >>>>
> >> >>>> Gabriel Farias
> >> >>>> _______________________________________________
> >> >>>> juniper-nsp mailing list juniper-nsp at puck.nether.net
> >> >>>> https://puck.nether.net/mailman/listinfo/juniper-nsp
> >> >>>>
> >> >>>>
> >> >>>> Sent from my Verizon Wireless BlackBerry
> >> >>>
> >> >>>
> >> >>>
> >> >>
> >> >
> >> _______________________________________________
> >> juniper-nsp mailing list juniper-nsp at puck.nether.net
> >> https://puck.nether.net/mailman/listinfo/juniper-nsp
> >>
> >
> >
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