Re: [Netpass-users] Network Arch Opinions/Questions

[Jeff M. <jcm...@os...>]

> I think we're leaning towards central servers, so the two VLANs from  
> each building would be directed back to the core, and the core ports  
> for the NP servers would be tagged with _all_ the VLANs, 10 in this  
> case. Things get a little fuzzy here -- those 10 VLANs would then  
> also have to be defined on each server, so that they could be members  
> of each VLAN, correct?

if you use 2 servers you'll either need to manually split the config in
half or use a load balancer (e.g. www.linuxvirtualservers.org)

in either case, you can use interfacecfg.pl to spit out the appropriate
ifconfig commands to bring up all of the interfaces.

then your server(s) will have 5-10 interfaces (depending on what sort of
LB design you go with).

we might need to examine interfacecfg.pl if you are doing a non-LVS
deployment, as we've written it with the expectation that you are doing
an LVS deployment.

you eventually wind up with something like:

% ip link
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
4: sit0: <NOARP> mtu 1480 qdisc noop
5: eth1.813: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
6: eth1.13: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
7: eth1.812: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
8: eth1.12: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue



our production NP servers have ~53 interfaces (2 physical) configured.

jeff