[j-nsp] Juniper - Cisco Catalyst Fast Ether Channel Load Balancing

Ariff Premji premji at speakeasy.net
Tue Jan 29 02:20:15 EST 2008


You need a policy exported to the forwarding table.  This policy is  
required for all flow-based load-balancing as well as for FRR.  The  
"per-packet" keyword is misleading.  It doesent really mean per-packet.

Add this to your config and it should take care of the load-balancing.

policy-options {
     policy-statement LOAD-BALANCE {
         then {
             load-balance per-packet;
         }
     }
}

routing-options {
     forwarding-table {
         export LOAD-BALANCE;
     }
}

-Ariff

On Jan 28, 2008, at 6:52 PM, a. r.isnaini. rangkayo sutan wrote:

> Hi,
>
> Any suggestion will be very appreciated.
>
> Here's the scheme :
> Ports aggregation with trunking was success between Juniper - Cisco
> Catalyst, but i'm having problem with the load that is not balanced on
> each port.
>
> It might be the config still missing one line somewhere :)
>
> interfaces {
>     fe-0/2/0 {
>         fastether-options {
>             802.3ad ae1;
>         }
>     }
>     fe-0/2/1 {
>         fastether-options {
>             802.3ad ae1;
>         }
>     }
>
>     ae1 {
>         description FAST-ETHER-CHANNEL-2FE-AGGREGATED;
>         vlan-tagging;
>         aggregated-ether-options {
>             minimum-links 2;
>             link-speed 100m;
>
> - a. r. i. rangkayo sutan
>
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