Even though it is a software router, there's a difference if packets are forwarded on the fast path or slow path (punt).
Arie On Thu, Apr 20, 2017 at 2:49 PM Bill Blackford <bblackf...@gmail.com> wrote: > It is a software router. I've had these fall over from too many small > packets. > > Sent from my iPhone > > > On Apr 20, 2017, at 13:07, Arie Vayner <ar...@vayner.net> wrote: > > > > I would check for MTU and fragmentation issues... If the router is > > fragmenting, it would bring the CPU up... > > > > On Thu, Apr 20, 2017 at 10:41 AM Olivier CALVANO <o.calv...@gmail.com> > > wrote: > > > >> Hi > >> > >> i have a problems with a cisco 7301 IOS: > >> > >> Cisco IOS Software, 7301 Software (C7301-ADVENTERPRISEK9-M), Version > >> 12.2(33)SRD5, RELEASE SOFTWARE (fc2) > >> > >> No special config on C7301, no qos, no access list, no filter ... only > IP > >> Route > >> > >> > >> > >> On this router, i have two ports used: > >> GigabitEthernet0/0 > >> GigabitEthernet0/1 > >> > >> Port 0/0 it's a 1 Gbits link > >> Port 0/1 it's a 1 Gbits link but i two vlan each vlan is a fiber remote > >> link, one of 20Mbits and the second 500 Mbits > >> > >> > >> When i start a upload from a pc behind the 500 Mbits vlan link, no > >> problems, i have 500 Mbits and cpu is good: > >> CPU utilization for five seconds: 33%/22% > >> > >> > >> > >> but when i download, i am limited to 266 Mbits and the CPU of the C7301 > are > >> high: > >> > >> CPU utilization for five seconds: 98%/43% > >> > >> > >> anyone know this problems ? > >> > >> It's possible because the cisco don't know that the vlan is limited at > 500 > >> mbits and he want sent at 1 gbits ? > >> > >> regards > >> Olivier > >> _______________________________________________ > >> 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/ > _______________________________________________ > 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/