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# IP tunnel
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This project implements NDN-based IP tunnel and MIN-based IP tunnel to compare the performance of the two.
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## 1. Experiment intro
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We implement an IP tunnel based on MIN and NDN, respectively, and compare the performance of the two network architectures in this scenario. The experimental topology is shown in the above figure, with R1, R2, and R3 running on three Linux servers whose configuration information is shown in the following table. Each server runs a MIN/NDN as a network router, and they are directly connected via an ethernet link. We implement a TUN tunnel on the edge router, which collects IP packets sent to the TUN interface and encapsulates them into MIN/NDN packets. Then, IP packets are transmitted to the edge router on the other side through MIN/NDN communication. Considering that MIN/NDN packets have some header overhead, to avoid fragmentation, we set the MTU of the TUN interface to 1500 and the MTU of the interface connected between routers to 2000. We will use *iperf3* to measure the network's performance using MIN/NDN as an IP tunnel.
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| CPU | RAM | Operating System | Software Version |
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| --------------------------------------------------- | ----- | ---------------- | --------------------- |
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| Intel\(R\) Xeon\(R\) Gold 5118 CPU @ 2\.30GHz \* 96 | 128GB | Ubuntu 20.04.3 | MIR v0.1.0;NFD v0.7.1 |
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## 2. Install
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### 2.1 Running MIN IP Tunnel
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Since MIN is not open source yet, only the experimental code is given here, and no operation guidance is provided.
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### 2.2 Runnin NDN IP Tunnel
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We should config three Linux servers, each server running a Ubuntu 20.04 operating system.
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#### 2.2.1 Install NFD environment
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- Linux Server 1:
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```bash
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git clone https://gitea.qjm253.cn/SunnyQjm/NDNInstaller.git
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cd NDNInstaller
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./install_ndn-cxx.sh
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./install_nfd.sh
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./install_ndn-tools.sh
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```
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- Linux Server 2:
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```bash
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git clone https://gitea.qjm253.cn/SunnyQjm/NDNInstaller.git
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cd NDNInstaller
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./install_ndn-cxx.sh
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./install_nfd.sh
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./install_ndn-tools.sh
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```
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- Linux Server 3:
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```bash
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git clone https://gitea.qjm253.cn/SunnyQjm/NDNInstaller.git
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cd NDNInstaller
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./install_ndn-cxx.sh
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./install_nfd.sh
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./install_ndn-tools.sh
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```
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#### 2.2.2 Config and running NFD
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- First running NFD in all Linux Server
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```bash
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# Linux Server 1, execute follow command
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nfd-start
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# Linux Server 2, execute follow command
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nfd-start
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# Linux Server 3, execute follow command
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nfd-start
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```
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- Then create an ethernet face
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- Linux Server 1:
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```bash
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nfdc face create remote ether://[76:8f:3c:bb:65:31] local dev://eno1
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# after execute above command, you will get a face id
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nfdc route add prefix /pkusz/C nexthop <face-id>
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```
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- Linux Server 2:
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```bash
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nfdc face create remote ether://[76:8f:3c:bb:64:31] local dev://eno1
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# after execute above command, you will get a face id
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nfdc route add prefix /pkusz/B nexthop <face-id>
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nfdc face create remote ether://[76:8f:3c:bb:66:31] local dev://eno2
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# after execute above command, you will get a face id
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nfdc route add prefix /pkusz/C nexthop <face-id>
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```
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- Linux Server 3:
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```bash
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nfdc face create remote ether://[76:8f:3c:bb:65:32] local dev://eno1
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# after execute above command, you will get a face id
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nfdc route add prefix /pkusz/B nexthop <face-id>
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```
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#### 2.2.3 Config and running NDN-based IP Tunnel
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- modify config file
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- Linux Server 1:
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Edit iptunconf.ini，replace the config file value as follow:
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```ini
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[Tun]
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InterfaceName = tun0
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IPv4Addr = 192.168.88.1
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Mtu = 1500
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Mask = 255.255.255.0
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Route = 192.168.90.0/24
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[Mir]
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UnixSocketPath = /tmp/mir.sock
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ListenIdentifier = /pkusz/B
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TargetIdentifier = /pkusz/C
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[Log]
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LogLevel = WARN
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```
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- Linux Server 3:
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Edit iptunconf.ini，replace the config file value as follow:
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```bash
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[Tun]
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InterfaceName = tun0
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IPv4Addr = 192.168.88.2
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Mtu = 1500
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Mask = 255.255.255.0
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Route = 192.168.89.0/24
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[Mir]
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UnixSocketPath = /tmp/mir.sock
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ListenIdentifier = /pkusz/C
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TargetIdentifier = /pkusz/B
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[Log]
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LogLevel = WARN
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```
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- running IP Tunnel
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- Linux Server 1:
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```bash
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# cd to ip-tunnel/ndniptunnel, then execute follow command
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go run .
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```
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- Linux Server 3:
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```bash
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# cd to ip-tunnel/ndniptunnel, then execute follow command
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go run .
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```
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- Test whether the tunnel is established successfully
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- Linux Server 1:
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```bash
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ping 192.168.90.1
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```
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#### 2.2.4 Running experiment test
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- Linux Server 3:
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```bash
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iperf3 -s -B 192.168.90.1
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```
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- Linux Server 1:
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- Test TCP:
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```bash
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# 1 Client
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -t 60
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# 2 Client
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -t 60 -P 2
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# 5 Client
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -t 60 -P 5
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# 10 Client
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -t 60 -P 10
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```
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- Test UDP:
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```bash
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# 100Mbps
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -u -l 1400 -t 60 -b 100m -R
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# 200Mbps
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -u -l 1400 -t 60 -b 200m -R
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# 300Mbps
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -u -l 1400 -t 60 -b 300m -R
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# 400Mbps
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -u -l 1400 -t 60 -b 400m -R
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# 500Mbps
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iperf3 -c 192.168.90.1 -B 192.168.89.1 -u -l 1400 -t 60 -b 500m -R
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```
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## 3. Result
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The example of test data you can get from [min-graph/result_1500]([min-graph/result_1500 at main · SunnyQjm/min-graph (github.com)](https://github.com/SunnyQjm/min-graph/tree/main/result_1500))
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The analysis code you can get from [min-graph]([SunnyQjm/min-graph (github.com)](https://github.com/SunnyQjm/min-graph))
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+7
-7
@@ -19,7 +19,7 @@ import (
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"github.com/urfave/cli/v2"
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"ip-tunnel/iptun"
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"ip-tunnel/iptun/ndn"
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"minlib/common"
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"log"
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"os"
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"sync/atomic"
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"time"
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@@ -155,7 +155,7 @@ func StartIPTunnel(config *iptun.IPTunnelConfig) error {
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ret := C.start(cstr, C.int(len(ipTunnelConfig.MirConfig.ListenIdentifier)))
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C.free(unsafe.Pointer(cstr))
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if ret < 0 {
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common.LogFatal("start face fail")
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log.Fatal("start face fail")
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}
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}()
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// 启动IP隧道程序
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@@ -182,14 +182,14 @@ func main() {
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mirApp.Action = func(context *cli.Context) error {
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ipTunnelConfig, err := iptun.ParseConfig(configFilePath)
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if err != nil {
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common.LogFatal(err)
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log.Fatal(err)
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}
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// 初始化日志模块
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var loggerParameters common.LoggerParameters
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loggerParameters.LogLevel = ipTunnelConfig.LogConfig.LogLevel
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loggerParameters.ReportCaller = true
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common.InitLogger(&loggerParameters)
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//var loggerParameters common.LoggerParameters
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//loggerParameters.LogLevel = ipTunnelConfig.LogConfig.LogLevel
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//loggerParameters.ReportCaller = true
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//common.InitLogger(&loggerParameters)
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return StartIPTunnel(ipTunnelConfig)
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}
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