This page documents the setup of the IP addresses for the all the machines connected to the nemo switch, the core of our private internal network. For NEMO, we're creating one large IP network out of the 192.168.0.0 address space. The 192.168.0.0/24 address space is a natural Class C address space, and we're actually going to use a 192.168.168.0.0/21 IP network for this cluster. The /21 is shorthand for describing the bitmask and thus network; the bitmask in binary has "1's" in the first two octets, and the 5 left most bits of the third octet (11111111.11111111.11111000.00000000 = a /21)
This network has host addresses ranging from 192.168.0.1 - 192.168.7.254
Of the merged Class C networks, we're going to logically split those up in the following way:
- 192.168.0.1 - 192.168.0.255 -- Master Nodes, File Servers, Data Servers, etc.
- 192.168.1.1 - 192.168.1.255 -- Switchs
- 192.168.2.1 - 192.168.2.255 -- Unused
- 192.168.3.1 - 192.168.7.254 Slave Nodes
The FQDN of a slave is nemo-slaveXXXX.medusa.phys.uwm.edu where XXXX is a number from 0001 to 1200. The slaves can also be refered to as slaveXXXX.nemo.phys.uwm.edu or sXXXX.nemo.phys.uwm.edu. This means that refering to them as slaveXXXX or sXXXX
will also work.
Similarly the FQDN of a master is nemo-masterXXXX.nemo.phys.uwm.edu
where XXXX is a number from 0001 to 0003. The masters can also be refered to as
masterXXXX.medusa.phys.uwm.edu or
mXXXX.nemo.phys.uwm.edu. This means that refering to
them as masterXXXX or mXXXX
will also work.
| Internal IP
| Internal FQDN
| Alias
| External IP
| External FQDN
| Description |
|
| 192.168.0.1 - 192.168.0.10 |
|
|
|
|
reserved |
| 192.168.0.11 |
nemo-master0001.nemo.phys.uwm.edu |
m001.nemo.phys.uwm.edu |
129.89.61.94 |
nemo.phys.uwm.edu |
Master Node 1 |
| 192.168.0.251 - 192.168.0.255 |
|
|
|
|
reserved |
| 192.168.1.1 - 192.168.1.10 |
|
|
|
|
reserved |
| 192.168.1.11 |
nemo-switch1.nemo.phys.uwm.edu |
|
129.89.61.97 |
nemo-switch1.phys.uwm.edu |
Internal Force10 Switch |
| 192.168.1.12 |
ups.nemo.phys.uwm.edu |
|
|
|
UPS System management interface |
| 192.168.1.251 - 192.168.1.255 |
|
|
|
|
reserved |
| 192.168.2.1 - 192.168.2.255 |
|
|
|
|
reserved |
| 192.168.3.1 - 192.168.3.10 |
|
|
|
|
reserved |
| 192.168.3.11 |
nemo-slave0001.nemo.phys.uwm.edu |
s0001.nemo.phys.uwm.edu |
|
|
Slave Node 1 |
| ... |
... |
... |
|
|
... |
| 192.168.3.250 |
nemo-slave0240.nemo.phys.uwm.edu |
s0240.nemo.phys.uwm.edu |
|
|
Slave Node 240 |
| 192.168.3.251 - 192.168.3.255 |
|
|
|
|
reserved |
| 192.168.4.1 - 192.168.4.10 |
|
|
|
|
reserved |
| 192.168.4.11 |
nemo-slave0241.nemo.phys.uwm.edu |
s0241.nemo.phys.uwm.edu |
|
|
Slave Node 241 |
| ... |
... |
... |
|
|
... |
| 192.168.4.250 |
nemo-slave0480.nemo.phys.uwm.edu |
s480.nemo.phys.uwm.edu |
|
|
Slave Node 480 |
| 192.168.4.251 - 192.168.4.255 |
|
|
|
|
reserved |
| 192.168.5.1 - 192.168.5.10 |
|
|
|
|
Reserved |
| 192.168.5.11 |
nemo-slave0481.nemo.phys.uwm.edu |
s0481.nemo.phys.uwm.edu |
|
|
Slave Node 481 |
| ... |
... |
... |
|
|
... |
| 192.168.5.250 |
nemo-slave0720.nemo.phys.uwm.edu |
s720.nemo.phys.uwm.edu |
|
|
Slave Node 720 |
| 192.168.5.251 - 192.168.5.255 |
|
|
|
|
reserved |
| 192.168.6.1 - 192.168.6.10 |
|
|
|
|
Reserved |
| 192.168.6.11 |
nemo-slave0721.nemo.phys.uwm.edu |
s0721.nemo.phys.uwm.edu |
|
|
Slave Node 721 |
| ... |
... |
... |
|
|
... |
| 192.168.6.250 |
nemo-slave0960.nemo.phys.uwm.edu |
s960.nemo.phys.uwm.edu |
|
|
Slave Node 960 |
| 192.168.6.251 - 192.168.6.255 |
|
|
|
|
reserved |
| 192.168.7.1 - 192.168.7.10 |
|
|
|
|
Reserved |
| 192.168.7.11 |
nemo-slave0961.nemo.phys.uwm.edu |
s0961.nemo.phys.uwm.edu |
|
|
Slave Node 961 |
| ... |
... |
... |
|
|
... |
| 192.168.7.250 |
nemo-slave1200.nemo.phys.uwm.edu |
s1200.nemo.phys.uwm.edu |
|
|
Slave Node 1200 |
| 192.168.6.251 - 192.168.6.254 |
|
|
|
|
reserved |