[j-nsp] Aggregated SONET: Incorrect load balancing

[Erdem Sener]

Hi Andrew,

 If ever you upgrade to 9.0+, you could use 'indexed-next-hop' knob:

http://www.juniper.net/techpubs/software/junos/junos90/swconfig-policy/indexed-next-hop.html

Following may also be interesting for you:

http://www.juniper.net/techpubs/software/junos/junos90/swconfig-policy/per-prefix.html#per-prefix-statement

Cheers,
Erdem

On Mon, Jun 2, 2008 at 3:38 PM, Andrew Degtiariov
<andrew.degtiariov at gmail.com> wrote:
> Hello!
> We have problems with incorrect balancing on asX interfaces: one of
> interfaces from bundle always full loaded but other have a free
> bandwidth.
>
> ad at host> show interfaces as0 detail
> Physical interface: as0, Enabled, Physical link is Up
>  Interface index: 128, SNMP ifIndex: 38, Generation: 11
>  Description: XXXXXX
>  Link-level type: Cisco-HDLC, MTU: 4474, Speed: 311040kbps, Minimum
> links needed: 1
>  Device flags   : Present Running
>  Interface flags: SNMP-Traps Internal: 0x4000
>  Link flags     : Keepalives
>  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3
>  Last flapped   : Never
>  Statistics last cleared: Never
>  Traffic statistics:
>   Input  bytes  :       88014189685409            100101256 bps
>   Output bytes  :      233504346126377            224426680 bps
>   Input  packets:         215881346509                39284 pps
>   Output packets:         320492035869                36532 pps
>
>  Logical interface as0.0 (Index 67) (SNMP ifIndex 42) (Generation 6)
>    Flags: Point-To-Point SNMP-Traps 0x4000 Encapsulation: Cisco-HDLC
>    Statistics        Packets        pps         Bytes          bps
>    Bundle:
>        Input :  215879698457      39284 88014153428265    100101256
>        Output:  320490390799      36490 233504161135208    224369696
>    Link:
>      so-1/3/0:0.0
>        Input :   15050048922      27106 6085042177400     66550112
>        Output:   16070445975      12811 11743234420336     76498040
>      so-1/3/0:1.0
>        Input :      13382313      12178    4479819115     33551144
>        Output:      26537823      23679   20157131134    147871656
>    Protocol inet, MTU: 4470, Generation: 13, Route table: 0
>      Flags: None
>      Addresses, Flags: Is-Preferred Is-Primary
>        ----cut-cut----
>    Protocol mpls, MTU: 4458, Generation: 14, Route table: 0
>      Flags: None
>
> ad at host> show configuration interfaces as0
> description XXXX;
> encapsulation cisco-hdlc;
> aggregated-sonet-options {
>    minimum-links 1;
>    link-speed oc3;
> }
> unit 0 {
>    family inet {
>        address ---cut--cut---;
>    }
>    family mpls;
> }
>
> ad at host> show configuration interfaces so-1/3/0:0
> clocking external;
> sonet-options {
>    no-payload-scrambler;
>    aggregate as0;
> }
> ad at host> show configuration interfaces so-1/3/0:1
> clocking external;
> sonet-options {
>    no-payload-scrambler;
>    aggregate as0;
> }
>
> ad at host>
>
> Platform: Juniper M20, JUNOS 7.5R2.8
>
> Is there any ways to load interfaces in bundle as0 more fairly?
>
> --
> Andrew Degtiariov
> DA-RIPE
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