On Monday, 25 March 2013, Balasubramaniam Natarajan wrote: > Hi > > Have you people experienced a situation where in Debian Ethernet link speed > settles for 100 Mb/s even when it is connected to a gigabit port on a > switch. I have checked the switch configuration and found that to be on > auto status for link speed. I used the ethtool on debian and it says that > I am connected to 100 Mb/s link.
Try setting the switch to 1000mbps and the nic interface to auto. See if it negotiates correctly? Or set both to gig and see if they work fine? > > # lshw -C network > *-network > description: Ethernet interface > product: NetXtreme II BCM5708 Gigabit Ethernet > vendor: Broadcom Corporation > physical id: 0 > bus info: pci@0000:07:00.0 > logical name: eth3 > version: 12 > serial: aa:bb:cc:dd:ee:ff > * size: 100MB/s > capacity: 1GB/s* > width: 64 bits > clock: 66MHz > capabilities: pcix pm vpd msi bus_master cap_list ethernet physical > tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation > configuration: autonegotiation=on broadcast=yes driver=bnx2 > driverversion=2.0.2 duplex=full firmware=4.6.0 UMP 1.1.9 latency=64 > link=yes mingnt=64 multicast=yes port=twisted pair speed=100MB/s > resources: irq:36 memory:f4000000-f5ffffff > > # ethtool eth3 > Settings for eth3: > Supported ports: [ TP ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Advertised pause frame use: No > Advertised auto-negotiation: *Yes* > *Speed: 100Mb/s* > Duplex: Full > Port: Twisted Pair > PHYAD: 1 > Transceiver: internal > Auto-negotiation: on > MDI-X: Unknown > Supports Wake-on: g > Wake-on: d > Link detected: yes > > > #sh int gi x/xx status > > Port Name Status Duplex Speed > Type > Gix/xx Monitor monitoring a-full a-100 > 10/100/1000BaseT > > At this point I am very much confused. The closest I came to was this > particular link > > http://serverfault.com/questions/368073/cant-set-up-nic-to-establish-gigabit-link-on-linux > > -- > Regards, > Balasubramaniam Natarajan > www.blog.etutorshop.com > _______________________________________________ > ILUGC Mailing List: > http://www.ae.iitm.ac.in/mailman/listinfo/ilugc > _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
