Merge pull request #43 from opennetworkinglab/maintenance

wordsmithing

Author: llpeterson

onramp/blueprints.rst

@@ -852,16 +852,18 @@ To deploy the srsRAN blueprint in simulation mode, run the following:
 Multihop gNBs
 ~~~~~~~~~~~~~~~~~~~~~~
 
-By default OnRamp uses isolated networks for the N3(i.e., 192.168.252.x) and
-N6(i.e., 192.168.250.x) interfaces. This prevents gNB, which is on different
-subnet and located multiple hops away, connecting to the UPF on N3 interface.
+By default OnRamp uses isolated networks for the N3 (e.g.,
+192.168.252.x) and N6 (e.g., 192.168.250.x) interfaces. This prevents
+gNBs on different subnets or located multiple hops away from
+connecting to the UPF on the N3 interface.
 
-In order to support such deployment OnRamp provides an option to configure
-N3 IP from the same subnet as DATA_IFACE. It can be enabled by setting
-``core.upf.multihop_gnb: true``
+In order to support such deployments, OnRamp provides an option to
+configure N3 from the same subnet as ``core.data_iface``. It can be
+enabled by setting setting ``core.upf.multihop_gnb`` to ``true``.
 
-For example, let's say the DATA_IFACE subnet is 10.21.61.0/24 and gNB subnet
-is 10.202.1.0/24. Configure the parameters as follows,
+For example, suppose ``core.data_iface`` corresponds to subnet
+10.21.61.0/24 and the gNB is on subnet 10.202.1.0/24. Configure the
+parameters as follows:
 
 .. code-block::
 
@@ -873,14 +875,16 @@ is 10.202.1.0/24. Configure the parameters as follows,
       multihop_gnb: true
       default_upf:
         ip:
-          access: "10.21.61.12" # when multihop_gnb set to true, make sure to assign IP from same subnet of data_iface
+          access: "10.21.61.12"		#  same subnet as data_iface when multihop_gnb is true
           core:   "192.168.250.3"
         ue_ip_pool: "172.250.0.0/16"
 
-In case we need to connect multiple gNBs (gNB2 subnet: 10.203.1.0/24)
-from different subnet then add routes as follows
-in ``deps/5gc/roles/core/templates/sdcore-5g-values.yaml`` ``(if core.upf.mode: af_packet)``, or
-in ``deps/5gc/roles/core/templates/sdcore-5g-sriov-values.yaml`` ``(if core.upf.mode: dpdk)``:
+To connect multiple gNBs on different subnets, you must modify
+``deps/5gc/roles/core/templates/sdcore-5g-values.yaml`` (if
+``core.upf.mode: af_packet``) or
+``deps/5gc/roles/core/templates/sdcore-5g-sriov-values.yaml`` (if
+``core.upf.mode: dpdk``) to add the necessary routes. For example, if
+a second gNB is on 10.203.1.0/24, then add the route as follows:
 
 .. code-block::