Network Resources: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| (10 intermediate revisions by 5 users not shown) | |||
| Line 99: | Line 99: | ||
# In School mode, it disables NM, and associates to the AP manually. |
# In School mode, it disables NM, and associates to the AP manually. |
||
# The XO will still be able to collaborate if a Jabber server is available. |
# The XO will still be able to collaborate if a Jabber server is available. |
||
===Bugs=== |
===Bugs=== |
||
| Line 118: | Line 119: | ||
[[Collab Network School Mesh Tests|Peabody School Mesh Tests]] |
[[Collab Network School Mesh Tests|Peabody School Mesh Tests]] |
||
===Useful locations=== |
|||
/etc/resolv.conf # DNS server |
|||
/etc/dhcpd.conf # check whether the XO acts as an MPP |
|||
/etc/NetworkManager/mesh-start # used to force a lower priority network configuration |
|||
/home/olpc/.sugar/default/config # user information |
|||
/home/olpc/.sugar/default/nm/networks.cfg # stores access points information |
|||
/var/log/messages # main log file |
|||
===General Network Info=== |
===General Network Info=== |
||
[[Test Network Configuration]] |
[[Test Network Configuration]] |
||
[[Networking scenarios]] |
|||
[[Schoolserver Testing]] |
[[Schoolserver Testing]] |
||
| Line 150: | Line 139: | ||
===Mesh Technical Data=== |
===Mesh Technical Data=== |
||
[[Path_Discovery_Mechanism|Path Discovery Mechanism]] |
|||
[[Mesh_Forwarding_Table|Mesh Forwarding Table]] |
[[Mesh_Forwarding_Table|Mesh Forwarding Table]] |
||
Latest revision as of 19:37, 26 November 2009
Network tools/scripts
olpc-netstatus # Collects/Displays useful data regarding the Network configuration. # It determines whether the XO is connected to # Simple Mesh, School Mesh, Simple Wifi, School Wifi, or MPP. # It requires sugar-telepathies and sugar-xos # to get the number of XOs seen in the mesh view, # and to list the active Telepathies with their status. $olpc-netstatus Model : C2 Serial : CSN74400049 MAC : 00:17:C4:0C:CD:11 Build : update.1 703 Firmware : CL1 Q2D14 Q2D Libertas : 5.110.22.p1 Nick : W03 Uptime : 01:12:06 IP eth0 : 172.18.0.250 IP msh0 : 169.254.5.77 DNS : 172.18.0.1 Telepathy : gabble Jabber : schoolserver.laptop.org XOs : 4 Essid : zoom50 Channel : 11 School : schoolserver.laptop.org Config : School Wifi
olpc-log # It collects all useful logs, files, command outputs # and saves them in a S/N defined and timestamped tarball # It gets the output of almost all scripts in the olpc-utils package # For a list of collected logs try # olpc-log --help
olpc-connections # Tracks all changes in msh0 and eth0 IP, # resolv.conf, Telepathy status, Jabber connection and number of XOs in mesh view. # It can give a readable view of how the network behaves over a period of time. # It uses sugar-telepathies and sugar-xos $olpc-connections | msh0 | eth0 | dns |salut|gabbl| jabber | xos 22:32:30 | 172.18.10.214 | | 172.18.0.1 | on | | | 20 22:41:53 | 172.18.10.214 | | 172.18.0.1 | on | | | 1 22:42:02 | | 18.85.18.254 | 18.85.2.138 | | on | 18.85.46.29 | 3 22:42:07 | 169.254.5.77 | 18.85.18.254 | 18.85.2.138 | | on | 18.85.46.29 | 3 ...
olpc-mesh # Collects the data from the fwt_list iwpriv commands # and displays the forwarding tables in a readable manner. # You may also use a MAC addess list to substitute each MAC with the correspindg Nick # You may create this list from the neighbor XOs using # olpc-xos mac > TABLE $olpc-mesh -t TABLE DA RA ok cost dir rate hop ttl exp(min) snr precursor 1 00:17:c4:05:23:04 00:17:c4:0d:07:46 1 90 0 0 3 2 1683 53 00:17:c4:02:30:f9 2 W07 00:17:c4:0d:37:f5 1 77 0 0 2 3 1569 80 3 W97 W07 1 90 0 0 3 2 1687 31 4 00:17:c4:05:27:18 00:17:c4:0d:37:f5 1 123 0 0 3 2 1665 53 ...
olpc-xos # Displays the list of the neighbor XOs. # You may collect the XOs seen by sugar or Avahi. # You may have run the script continously with -c. # It will continuously scan for changes in the list, and display when a change is detected. $olpc-xos avahi Time : 01:18:46 Total : 14 Failed : 1 Failed:'7188b385@xo-0D-07-46' b1735675@xo-0C-DA-B0 172.18.0.246 W07 7188b385@xo-0D-07-46 169.254.3.65 x07 ...
sugar-telepathies # These are used as libraries from the other scripts sugar-xos # to display the DBus XOs, and active Telepathies
The above scripts are all included in this package
Action USB key # It is a bootable USB key that you may use to # customize your image, collect data, and have commands to run at boot. # More info in the README
Cloaked School # This script helps the XOs associate to a # School Wifi configuration equipped with a cloaked AP, and in the NYC deployment. # At boot it checks whether the AP is available, and switches between Home and School mode. # In School mode, it disables NM, and associates to the AP manually. # The XO will still be able to collaborate if a Jabber server is available.
Bugs
Wireless Driver Required Changes
Tests
General Network Info
Testing of Different Connection Configurations
Modify the Mesh Discovery Sequence