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/