Turns out, as pointed out by many managers, the problem was
ARP cache. In my case the router to the Internet, the
router/firewall, and the workstation I was tring to ping
from, all had ARP entries that needed to be cleared or
expired. I simply wasn't patient enough! People guessed
it takes anywhere from 10 minutes to an hour for the caches
to clear themselves. An arp -a will show you what's what
and an arp -d can delete table entries, but these entries
exist on each router and host. Someone mentioned
that you can have as many as 256 le0 interfaces (0-255).
Regarding using the 2nd ethernet card. I need to create
an /etc/hostname.hme0 file. But you can't have two ethernet
cards on the same subnet (although you can have them on
seperate subnets, won't help me here though).
Regarding plumb, it IS just me.
Thanks for all your help. Original query below the following
Michael Ramchand <email@example.com>
Casper Dik <casper@holland.Sun.COM>
Marcelo Maraboli <firstname.lastname@example.org>
Glenn Satchell - Uniq Professional Services <Glenn.Satchell@Uniq.com.au>
Richard Snyder <email@example.com>
Rich Casto <firstname.lastname@example.org>
A.Chan@CdnAir.CA (Alan Chan)
Daniel J Blander - Sr. Systems Engineer for ACS"
Michael McGrath" <email@example.com>
Kevin Davidson <firstname.lastname@example.org>
Mark Sherman <email@example.com>
Arolovitch Alan <firstname.lastname@example.org>
yberman@SONOMA.EDU (David McCall)
Dan Penrod wrote:
> Hey Managers:
> I'm trying to do a quick and dirty swap of DNS servers.
> Our existing DNS server is an NT box called 'DNS'. The
> new server is a SPARC 5 called 'itchy'. I want 'itchy'
> to take over for 'DNS' right now... that is, not have
> to wait for InterNIC registration and ISP's secondary
> DNS server, etc...
> The plan was to simply unplug the original DNS
> server and give the new server the old server's IP
> Here's what we got right now...
> DNS 220.127.116.11 le0
> itchy 18.104.22.168 le0:
> 22.214.171.124 le0:1
> 126.96.36.199 le0:2
> So, I uplug 'DNS' and issue the command:
> # ifconfig le0:3 188.8.131.52 up netmask + broadcast +
> This command appeared to work, but... no one is able to
> ping 184.108.40.206 now (other than itchy himself). An
> 'ifconfig -a' does show the le0:3 interface on itchy, but
> only itchy can ping this IP address.
> Is this because there's a limit to the number of interfaces
> you can have? Am I limited to just le0:, le0:1, and le0:2???
> Can I not have an le0:3?
> Also, is it just me or does the 'plumb' option of ifconfig
> not work!?!?
> I have, at this point, plugged 'DNS' back in so we aren't down.
> Alternatively, I DO have a 2nd ethernet card in the machine
> that I'm not using; a hme0 fastether card. My expersience
> suggests that I can only use the le0 OR the hme0, but NOT both.
> Is this true or can I somehow do....
> # ifconfig hme0: 220.127.116.11 up netmask + broadcast +
> ... and have le0 and hme0 interfaces all at once?
> I tried and got "ifconfig: SIOCGIFFLAGS: hme0:: no such interface".
> Anyway, it's just a thought... if there is a limit to the number
> of virtual interfaces maybe I could run a 2nd ethernet cable
> from this spare physical interface.
> Suggestions... comments... got a joke to cheer me up?
> | _/ _/_/ _/_/ _/_/ _/_/_/ _/_/_/_/_/ _/_/_/_/|
> | _/ _/ _/ _/ _/ _/ _/ _/ |
> | _/ _/ _/ _/ _/ _/ _/_/ _/_/_/ |
> | _/ _/ _/ _/_/_/_/_/ _/ _/ _/ |
> |_/_/_/ _/ _/ _/ _/ _/_/_/_/_/ _/_/_/_/_/ |
> | Dan Penrod - Unix Network Administrator |
> | Image Technologies - World Color New Media |
> | 12425 28th St. N., St. Petersburg, FL 33716 |
> | vox:813/573-5268 fax:573-0431 email@example.com |
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | _/ _/_/ _/_/ _/_/ _/_/_/ _/_/_/_/_/ _/_/_/_/| | _/ _/ _/ _/ _/ _/ _/ _/ | | _/ _/ _/ _/ _/ _/ _/_/ _/_/_/ | | _/ _/ _/ _/_/_/_/_/ _/ _/ _/ | |_/_/_/ _/ _/ _/ _/ _/_/_/_/_/ _/_/_/_/_/ | +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ | Dan Penrod - Unix Network Administrator | | Image Technologies - World Color New Media | | 2502 Rocky Point Dr. Suite 200, Tampa, FL 33716 | | vox:813/636-9266 fax:636-0431 firstname.lastname@example.org | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This archive was generated by hypermail 2.1.2 : Fri Sep 28 2001 - 23:11:18 CDT