Commit 84177053 authored by Tien-Thinh Nguyen's avatar Tien-Thinh Nguyen

update instructions for 1-1, update multicast_link.c

parent c24e4e6d
Scenario 1 : Off-network UE2UE link
SynchREF UE (UE1)
UE1(eth0 - 10.10.10.1)--------UE2(eth0 - 10.10.10.2)
UE1(eth0 - 10.10.10.1)--------UE2(eno1 - 10.10.10.2)
Here's an example of /etc/network/interfaces configuration for UE1
auto eth0
......@@ -39,12 +39,13 @@ UE1:
- sudo iptables -A POSTROUTING -t mangle -o oip0 -d 224.0.0.1 -j MARK --set-mark 3
- (if necessary) sudo route add default gw 10.10.10.1 eth0
UE2:
- sudo ifconfig oip1 10.0.0.2
- sudo iptables -A POSTROUTING -t mangle -o oip1 -d 224.0.0.1 -j MARK --set-mark 3
- (if necessary) sudo route add default gw 10.10.10.1 eth0
- sudo ifconfig oip0 10.0.0.2
- sudo iptables -A POSTROUTING -t mangle -o oip0 -d 224.0.0.1 -j MARK --set-mark 3
- (if necessary) sudo route add default gw 10.10.10.1 eno1
UE1 and UE2: Get and build vencore_app from d2d-l3-stub (branch: l3_stub)
- gcc -I . vencore_app.c -o vencore_app -lpthread
--------------------------------
TEST ONE-TO-MANY
Run UE1 then UE2, for example:
......@@ -72,7 +73,17 @@ UE1 (sender)
- ./vencore_app #we can see the packets appearing in Wireshark
--------------------------------------
TEST PC5-S (UE1 -sender, UE2 - receiver)
TEST PC5-S (UE1 -sender, UE2 - receiver) and PC5-U for ONE-TO-ONE scenario
Configure UE1/UE2
UE1:
- sudo ifconfig oip0 10.0.0.1
- sudo iptables -A POSTROUTING -t mangle -o oip0 -d 10.0.0.2 -j MARK --set-mark 3
- sudo route add default gw 10.10.10.1 eth0
UE2:
- sudo ifconfig oip0 10.0.0.2
- sudo iptables -A POSTROUTING -t mangle -o oip0 -d 10.0.0.1 -j MARK --set-mark 3
- sudo route add default gw 10.10.10.1 eno1
step 1:
- UE1: sudo ./lte-softmodem-stub -U --emul-iface eth0
step 2:
......@@ -80,6 +91,9 @@ step 2:
- UE2: ./vencore_app -r #listen to incomming message from PC5-S
step 3:
- UE1: ./vencore_app -s #send a message via PC5-S (e.g., DirectCommunicationRequest)
Generate unicast traffic
UE1: ping -I oip0 10.0.0.2
--------------------------------------
......
......@@ -115,7 +115,7 @@ multicast_link_init(void)
if (multicast_if != NULL) {
if (setsockopt(group_list[group].socket, SOL_SOCKET,SO_BINDTODEVICE,
multicast_if, 4) < 0) {
multicast_if, strlen(multicast_if)) < 0) {
LOG_E(EMU,
"[MULTICAST] ERROR : setsockopt:SO_BINDTODEVICE on interface %s, exiting ...\n",
multicast_if);
......
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