Re: [c-nsp] Cisco to Juniper LAG/LACP - Juniper not sending traffic over both links.
On Friday, September 07, 2012 03:11:20 AM Aaron wrote: Maybe this is stating the obvious, but when I've used ip-src-dst type hashing I've gotten the granularity I've desired. This is with cisco devices, so sorry I can't speak to what juniper allows. The issue I've had with Juniper EX3200/4200 switches was their inability to load share non-IP traffic, particularly MPLS-based flows. This was in a scenario where the devices were running as core switches. Once I replaced the Juniper switches with ME3600X's (which actually didn't load share based on MPLS for the code at the time, just earlier this year), load sharing was achieved. Moreover, the routers to which the switches were load sharing were Junipers. Not sure about your situation - whether you're connecting to the provider's Juniper switches or routers (the Juniper M- and MX-series routers don't suffer from this problem), or whether you have non-IP traffic crossing the links. Cheers, Mark. signature.asc Description: This is a digitally signed message part. ___ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
[c-nsp] Cisco to Juniper LAG/LACP - Juniper not sending traffic over both links.
Hey networkers, I have 3 sites connected to a service providers MPLS network. Two of those sites (Dallas and LA) are configured as etherchannel/LACP ports with 2 1gig uplinks in them. On our end we have Catalyst 6506-E switches the provider side is Juniper gear (I don't have model info). The issue I am seeing is that on our side we are sending traffic out of both interfaces and appear to be load balancing correctly. The provider (juniper) side is only sending traffic inbound to us over 1 of the links and not using the full etherchannel to load balance in coming bandwidth. On the LA end the juniper routers are seeing two mac addresses learned on that etherchannel - one mac is the SVI and one mac is one of the member ports. The Dallas side is only seeing one mac address. The service provider is telling me that their hardware is working correctly and that the hashing algorithm on the juniper boxes is deciding that only one link should receive traffic. Anyone else see this issue or can provide any tips. Thanks! Joseph ___ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
Re: [c-nsp] Cisco to Juniper LAG/LACP - Juniper not sending traffic over both links.
Just got word from the provider. They are using the default hashing algorithm which is based on mac address. On Thu, Sep 6, 2012 at 4:33 PM, Andrew Miehs and...@2sheds.de wrote: Which hashing algorithm are the using? One based on MAC address will do exactly as you are describing. Andrew Sent from a mobile device On 07/09/2012, at 6:58, Joseph Jackson recou...@gmail.com wrote: Hey networkers, I have 3 sites connected to a service providers MPLS network. Two of those sites (Dallas and LA) are configured as etherchannel/LACP ports with 2 1gig uplinks in them. On our end we have Catalyst 6506-E switches the provider side is Juniper gear (I don't have model info). The issue I am seeing is that on our side we are sending traffic out of both interfaces and appear to be load balancing correctly. The provider (juniper) side is only sending traffic inbound to us over 1 of the links and not using the full etherchannel to load balance in coming bandwidth. On the LA end the juniper routers are seeing two mac addresses learned on that etherchannel - one mac is the SVI and one mac is one of the member ports. The Dallas side is only seeing one mac address. The service provider is telling me that their hardware is working correctly and that the hashing algorithm on the juniper boxes is deciding that only one link should receive traffic. Anyone else see this issue or can provide any tips. Thanks! Joseph ___ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ ___ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
