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Diffstat (limited to 'host/docs/usrp2.rst')
| -rw-r--r-- | host/docs/usrp2.rst | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/host/docs/usrp2.rst b/host/docs/usrp2.rst index d3ae1dec7..76b27fd31 100644 --- a/host/docs/usrp2.rst +++ b/host/docs/usrp2.rst @@ -88,7 +88,7 @@ Setup the host interface The USRP2 communicates at the IP/UDP layer over the gigabit ethernet. The default IP address of the USRP2 is **192.168.10.2** You will need to configure the host's ethernet interface with a static IP address to enable communication. -An address of **192.168.10.1** is recommended. +An address of **192.168.10.1** and a subnet mask of **255.255.255.0** is recommended. **Note:** When using the UHD, if an IP address for the USRP2 is not specified, @@ -97,6 +97,26 @@ On some systems, the firewall will block UDP broadcast packets. It is recommended that you change or disable your firewall settings. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Multiple device configuration +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +As described above, you will need one ethernet interface per USRP2. +Each ethernet interface should have its own subnet, +and the corresponding USRP2 device should be assigned an address in that subnet. +Example: + +**Configuration for USRP2 device 0:** + +* Ethernet interface IPv4 address: 192.168.10.1 +* Ethernet interface subnet mask: 255.255.255.0 +* USRP2 device IPv4 address: 192.168.10.2 + +**Configuration for USRP2 device 1:** + +* Ethernet interface IPv4 address: 192.168.20.1 +* Ethernet interface subnet mask: 255.255.255.0 +* USRP2 device IPv4 address: 192.168.20.2 + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Change the USRP2's IP address ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ You may need to change the USRP2's IP address for several reasons: @@ -122,7 +142,7 @@ Run the following commands: :: cd <prefix>/share/uhd/utils - ./usrp2_recovery.py --ifc=eth0 --new-ip=192.168.10.3 + sudo ./usrp2_recovery.py --ifc=eth0 --new-ip=192.168.10.3 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Debugging networking problems @@ -181,7 +201,6 @@ The device address string representation for 2 USRP2s with IPv4 addresses 192.16 addr=192.168.10.2 192.168.20.2 - ------------------------------------------------------------------------ Resize the send and receive buffers ------------------------------------------------------------------------ |