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Home > Archive > Unix administration > July 2006 > ifconfig for v490 Sol10
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ifconfig for v490 Sol10
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| Hi
Today I wanted to add 2nd interface with another ip.
ifconfig ce1 plumb doest show "RUNNING"
ce1: flags=1000843<UP,BROADCAST,MULTICAST,IPv4> mtu 1500 index 3
inet netmask broadcast
ether 0:14:4f:23:bd:6e
Also the mac address is the same for both ce0- ce1/ That doesnt create
a problem right?
Thanks
Joe
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| James Carlson 2006-07-14, 1:19 pm |
| "Joe" <spaceyjoe2020@yahoo.com> writes:
> Today I wanted to add 2nd interface with another ip.
>
> ifconfig ce1 plumb doest show "RUNNING"
That means the link itself is down -- check the wire and the switch
port.
> ce1: flags=1000843<UP,BROADCAST,MULTICAST,IPv4> mtu 1500 index 3
> inet netmask broadcast
> ether 0:14:4f:23:bd:6e
>
> Also the mac address is the same for both ce0- ce1/ That doesnt create
> a problem right?
Set the "local-mac-address?" eeprom parameter to true and reboot.
Unfortunately, "false" is the default, and it's just plain wrong. :-<
--
James Carlson, KISS Network <james.d.carlson@sun.com>
Sun Microsystems / 1 Network Drive 71.232W Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757 42.496N Fax +1 781 442 1677
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| Doug Freyburger 2006-07-16, 1:19 am |
| Joe wrote:
>
> Today I wanted to add 2nd interface with another ip.
Make sure you put the hostname or IP number in /etc/hostname.ce1
so it gets set at reboot time
> ifconfig ce1 plumb doest show "RUNNING"
> ce1: flags=1000843<UP,BROADCAST,MULTICAST,IPv4> mtu 1500 index 3
> inet netmask broadcast
> ether 0:14:4f:23:bd:6e
>
> Also the mac address is the same for both ce0- ce1/ That doesnt create
> a problem right?
It is obsolete usage that might be right or wrong. Long ago switches
were unknown only hubs or thicknet cables. Only one interface would
go on each subnet so all other interfaces would be on their own LANs.
Using the same MAC address would allow one entry in /etc/ethers
for the host. If any interfaces are on the same LAN for load sharing
or to act like multiple virtual hosts, you will need to assign it
another
MAC address.
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