Re: real NIC or virtual interfaces - for httpd-Server

On Wednesday 10 May 2006 06:12, Götz Reinicke wrote:
Hi,

we run a RHEL4 Webserver with moderate access (aprox. 6 GB Tratic /
month). We host three websites and at the moment we use virtual
interfaces. I plan to migrate the sites to a new server and I start
thinking about what would be better: real or virtual NIC. The new server
comes with two gigabit onboard nics. But I could also by a second nic
with e.g. 4 extra ports.

What do you think? Any suggestions?

No matter what you do, make sure you have two different IPs for the actual
system and the webserver. That will help you if you have to move the
webserver to another box later.

I would use both onboard nics - one with the host ip, one with the webserver
ip. That way I can use the host ip to make backups without impacting the
webserver traffic. Also, once upon a time, I got bit by a bug in the kernel
that, when using the e100 drivers, bringing down a virtual interface would
also bring down the real physical interface.

On the down side, you have two cables instead of just one... Also, is you go
with a separate card, you potentially have better redundancy - if your
network card fails (or someone purposefully puts high voltage onto your
ethernet lan), you blow the card rather than the board. If your onboard
fails, you can move to the card without having to run to the store first to
buy a new one... Neither of those two have ever really been an issue for me -
so far I never had a system board nic fail without the whole board dying.

Peter.

--
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list

Relevant Pages

  • CF+ modes confusion
    ... I have been trying to interface a compact flash card to a host system using ...
    (comp.arch.embedded)
  • Re: adding another network card
    ... You cannot just add another card to a system and expect it to ... NIC an IP address within the same IP network/subnetwork as the first ... NICs IP address. ... Connection" (the primary Interface) to an address in a non-existant IP ...
    (microsoft.public.win2000.networking)
  • Re: NIC
    ... > interface and card, trying various parameters, but nothing seems to ... For some machines and NICs you have to select the used port (AUI or TP ... In smitty you can configure twodifferent frame types on a physical ...
    (comp.unix.aix)
  • determining which card is which ethX interface
    ... How can I go about determining which card is assigned which name if I ... I have two NICs in a PC. ... Running ifconfig reveals the ... interface names along with the MAC addresses. ...
    (comp.os.linux.networking)
  • Re: ng_one2many v.s. AFT (NIC Fault Tolerance/Fail Over/Redundancy Revisited)
    ... > hosts weren't seeing the usual warnings about MAC address changes. ... regardless of what network segment/port a host ... > physical interface ifconfig'd with the IP. ... > tree root and switch 1 is the backup spanning tree root. ...
    (freebsd-questions)