Date: Tue, 29 Apr 2008 16:13:13 +0530 From: Sharad Chandra <sharadc@in.niksun.com> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: jumbo packets on em card. Message-ID: <200804291613.14081.sharadc@in.niksun.com>
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Hi,
I am getting a problem in setting em card to 1000baseTX. It shows "active
status" with 100baseTX but as soon as i run "ifconfig em1 media 1000baseTX
mediaopt full-duplex", it says *no carrier*. how can i set it to 1000base?
[root@app210 ~]# ifconfig -m em1
em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 9000
options=4b<RXCSUM,TXCSUM,VLAN_MTU,POLLING>
capabilities=5b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,POLLING>
inet6 fe80::204:23ff:febd:b5bd%em1 prefixlen 64 scopeid 0x2
inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
ether 00:04:23:bd:b5:bd
media: Ethernet 100baseTX <full-duplex>
status: active
supported media:
media autoselect
media 1000baseTX
media 1000baseTX mediaopt full-duplex
media 100baseTX mediaopt full-duplex
media 100baseTX
media 10baseT/UTP mediaopt full-duplex
media 10baseT/UTP
And is it possible any how to send *jumbo packets* on this card or on bge card
(bge card is working with 1000base)? I tried nemesis tool, but i don't think
it can send bigger packets. BPF also seems to have limitaion upto 2K.
--
Thanks
Sharad Chandra
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