[f-nsp] MLXe slow on 10G doing inter-vlan routing

Tudor Capatina ktudore at yahoo.com
Wed May 25 05:06:18 EDT 2016


i second that,

no ip icmp redirects - in global config mode or 
no ip redirect - in interface config mode

 and you are good to go.

Tudor
--------------------------------------------
On Wed, 5/25/16, Mike Allen <mkallen at gmail.com> wrote:

 Subject: Re: [f-nsp] MLXe slow on 10G doing inter-vlan routing
 To: "George B." <georgeb at gmail.com>
 Cc: foundry-nsp at puck.nether.net
 Date: Wednesday, May 25, 2016, 1:07 AM
 
 Turn off
 ICMP redirects. Common problem in one arm routing configs.
 IMO it should be the default setting but it's not.
 Mike
 On May 24, 2016 2:00 PM,
 "George B" <georgeb at gmail.com>
 wrote:
 Do you notice the same behavior with both UDP and
 TCP streams?
 
 
 On Tue, May 24, 2016 at
 1:42 PM, Steven Raymond <sraymond at acedatacenter.com>
 wrote:
 MLXe,
 very lightly loaded, with only one card BR-MLX-10Gx8-X. 
 Simplest of configuration, layer 2 link with VE
 interfaces.  During inter-vlan routing where the ingress
 traffic and egress traffic are on the same port, say e1/2,
 the input traffic level will be fine, but the output traffic
 is effectively maxed out at about 50Mbps (on a 10GigE
 port).  Shift hosts around so that the egress is a
 different port on the same card, bang problem gone and full
 expected traffic rates achieved.
 
 
 
 Tried numerous code versions, from 05800a to 05900a to
 06000.  No improvement.
 
 
 
 Of course tried rebooting, new optics, new cabling.  No
 errors incrementing on the interface.  This is the silliest
 dumb problem in a long time.  Any ideas are appreciated.
 
 
 
 Thanks!
 
 
 
 
 
 
 
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