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/
