> >
>
> One more question. How do I know to which NIC the IPMI is binded. I
> have 2 NICS in my Dell machine.
>
Its on the first NIC.
But some fucking idiot at Dell or AMI/Phoenix made a brilliant idea of
giving add-on cards a lower PCI ID, so they probe first by 99% of the
POSIX kernels, which assign them (addon cards) a lower index so they show
up as eth0 or em0.
So for me, 'em2' is my first onboard in the following example. Makes
sense right?
Anyway, in FreeBSD 7.2/amd64, the em(4) drive apparently doesn't let the
kernel see ARP reply (is-at) messages on my em2 interface of the virtual
NIC on the same physical port with a different MAC address:
$ sudo tcpdump -n -i em2 | grep -i arp
listening on em2, link-type EN10MB (Ethernet), capture size 68 bytes
$ ifconfig em2|grep -i ether
ether 00:13:72:4f:70:80
$ ping web04-ipmi
PING web04-ipmi (192.168.97.201): 56 data bytes
21:59:06.959556 arp who-has 192.168.97.201 tell 192.168.97.133
21:59:07.961520 arp who-has 192.168.97.201 tell 192.168.97.133
21:59:08.963837 arp who-has 192.168.97.201 tell 192.168.97.133
ping: sendto: Host is down
ping: sendto: Host is down
But if I ping another host in that cluster:
web04$ ping web03-ipmi
PING web03-ipmi (192.168.97.199): 56 data bytes
22:00:14.655563 arp who-has 192.168.97.199 tell 192.168.97.133
22:00:14.672729 arp reply 192.168.97.199 is-at 00:13:72:4f:71:0d
$ ping web03
PING web03-v100 (192.168.97.132): 56 data bytes
64 bytes from 192.168.97.132: icmp_seq=0 ttl=64 time=0.710 ms
22:05:49.772374 arp who-has 192.168.97.132 tell 192.168.97.133
22:05:49.772669 arp reply 192.168.97.132 is-at 00:13:72:4f:71:0b
Both IPs on the same physical NIC port, different MACs.
Anyway, ditch your 8th gen gear and get yourself a 9th gen PowerEdge.
The guy who made good decisions about PCI IDs on the 8th gen must have
been involved in developing the DRAC5 LOM card. It runs GNU/Linux
microkernel, and serves up an ActiveX applet for remote console/media that
can only work in Internet Explorer >:}
~BAS
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