Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

shadowsocks-libev not working, need guidance for PM configuration #412

Open
SriramScorp opened this issue Jun 5, 2023 · 4 comments
Open

shadowsocks-libev not working, need guidance for PM configuration #412

SriramScorp opened this issue Jun 5, 2023 · 4 comments
Labels
question

Comments

@SriramScorp
Copy link

SriramScorp commented Jun 5, 2023 •
edited

Hi,
New to MPTCP v1. Just tried this tutorial. ip mptcp monitor suggests subflows getting created. However, traffic seems to flow mostly through one interface. And, even that becomes stale within seconds.

Client-side info:

pi@ubuntu:~$ 
pi@ubuntu:~$ cat /etc/os-release 
PRETTY_NAME="Ubuntu 22.04.2 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.2 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ uname -m
aarch64
pi@ubuntu:~$ 
pi@ubuntu:~$ uname -r
5.15.0-1029-raspi
pi@ubuntu:~$ 
pi@ubuntu:~$ grep MPTCP /boot/config-$(uname -r)
CONFIG_MPTCP=y
CONFIG_INET_MPTCP_DIAG=m
CONFIG_MPTCP_IPV6=y
pi@ubuntu:~$ 
pi@ubuntu:~$ sysctl net.mptcp.enabled 
net.mptcp.enabled = 1
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ cat /etc/netplan/01-netcfg.yaml
network:
  version: 2
  ethernets:
    eth0:
      dhcp4: true
      optional: true
    enxd037452d6f88:
      match:
        macaddress: d0:37:45:2d:6f:88
      set-name: eth1
      dhcp4: false
      addresses:
        - 192.168.99.1/24
  wifis:
    wlan0:
      dhcp4: true
      access-points:
        "test-123":
          password: "1234567890"
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ ip -br a
lo               UNKNOWN        127.0.0.1/8 ::1/128 
eth1             UP             192.168.99.1/24 fe80::d237:45ff:fe2d:6f88/64 
eth0             UP             192.168.0.124/24 metric 100 fe80::ba27:ebff:fe1c:abac/64 
wlan0            UP             192.168.20.2/24 metric 600 fe80::ba27:ebff:fe49:fef9/64 
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ ip r
default via 192.168.0.1 dev eth0 proto dhcp src 192.168.0.124 metric 100 
default via 192.168.20.1 dev wlan0 proto dhcp src 192.168.20.2 metric 600 
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.124 metric 100 
192.168.0.1 dev eth0 proto dhcp scope link src 192.168.0.124 metric 100 
192.168.20.0/24 dev wlan0 proto kernel scope link src 192.168.20.2 metric 600 
192.168.20.1 dev wlan0 proto dhcp scope link src 192.168.20.2 metric 600 
192.168.99.0/24 dev eth1 proto kernel scope link src 192.168.99.1 
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ ip rule list table 1
32765:  from 192.168.0.124 lookup 1
pi@ubuntu:~$ 
pi@ubuntu:~$ ip rule list table 2
32764:  from 192.168.20.2 lookup 2
pi@ubuntu:~$ 
pi@ubuntu:~$ ip route list table 1
default via 192.168.0.1 dev eth0 
192.168.99.0/24 dev eth1 scope link 
pi@ubuntu:~$ 
pi@ubuntu:~$ ip route list table 2
default via 192.168.20.1 dev wlan0 
192.168.99.0/24 dev eth1 scope link 
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ ip mptcp limits show
add_addr_accepted 4 subflows 4 
pi@ubuntu:~$ 
pi@ubuntu:~$ ip mptcp endpoint show
192.168.0.124 id 1 signal subflow dev eth0 
192.168.20.2 id 2 signal subflow dev wlan0 
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ curl -x socks5h://192.168.99.1:1080 --connect-timeout 5 icanhazip.com
4.3.2.1 (obfuscated server IP)
pi@ubuntu:~$ 
pi@ubuntu:~$ ip mptcp monitor
[       CREATED] token=d74a7993 remid=0 locid=0 saddr4=192.168.0.124 daddr4=4.3.2.1 sport=34506 dport=8388
[   ESTABLISHED] token=d74a7993 remid=0 locid=0 saddr4=192.168.0.124 daddr4=4.3.2.1 sport=34506 dport=8388
[        CLOSED] token=d74a7993
^C
pi@ubuntu:~$

When trying to download a file via the socks proxy, transfer rate drops to 0 within 5-8 secs and never recovers.

pi@ubuntu:~$ 
pi@ubuntu:~$ curl -x socks5h://192.168.99.1:1080 --connect-timeout 5 -o /dev/null 'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/WhatCarCanYouGetForAGrand.mp4'
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 43.4M    0 64285    0     0   6414      0  1:58:25  0:00:10  1:58:15     0^C
pi@ubuntu:~$ 
pi@ubuntu:~$ ip mptcp monitor
[       CREATED] token=9bdec8e7 remid=0 locid=0 saddr4=192.168.0.124 daddr4=4.3.2.1 sport=34270 dport=8388
[   ESTABLISHED] token=9bdec8e7 remid=0 locid=0 saddr4=192.168.0.124 daddr4=4.3.2.1 sport=34270 dport=8388
[SF_ESTABLISHED] token=9bdec8e7 remid=0 locid=2 saddr4=192.168.20.2 daddr4=4.3.2.1 sport=50739 dport=8388 backup=0 ifindex=4
[        CLOSED] token=9bdec8e7
^C
pi@ubuntu:~$ 

pi@ubuntu:~$ 
pi@ubuntu:~$ vnstat -i eth0 --fiveminutes | tail -n5
         14:00      6.24 KiB |   15.08 KiB |   21.32 KiB |      582 bit/s
         14:05     14.89 KiB |   14.53 KiB |   29.42 KiB |      803 bit/s
         14:10     26.21 KiB |   56.14 KiB |   82.35 KiB |    2.25 kbit/s
         14:15    174.24 KiB |   38.25 KiB |  212.49 KiB |    5.80 kbit/s
         14:20      4.21 KiB |    6.37 KiB |   10.58 KiB |      288 bit/s
pi@ubuntu:~$ 
pi@ubuntu:~$ vnstat -i wlan0 --fiveminutes | tail -n5
         14:00           0 B |         0 B |         0 B |        0 bit/s
         14:05           0 B |         0 B |         0 B |        0 bit/s
         14:10      1.09 KiB |       905 B |    1.97 KiB |       53 bit/s
         14:15     70.08 KiB |    3.09 KiB |   73.17 KiB |    2.00 kbit/s
         14:20           0 B |         0 B |         0 B |        0 bit/s
pi@ubuntu:~$

Server-side info:

root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# cat /etc/os-release 
PRETTY_NAME="Ubuntu 22.04.2 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.2 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy
root@u22-mptcpv1:~# 

root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# uname -m
x86_64
root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# uname -r
5.15.0-73-generic
root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# grep MPTCP /boot/config-$(uname -r)
CONFIG_MPTCP=y
CONFIG_INET_MPTCP_DIAG=m
CONFIG_MPTCP_IPV6=y
root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# sysctl net.mptcp.enabled 
net.mptcp.enabled = 1
root@u22-mptcpv1:~# 

root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# ip mptcp limits show
add_addr_accepted 0 subflows 2 
root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# ip mptcp endpoint show
root@u22-mptcpv1:~#

icanhazip.com request

root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# ip mptcp monitor
[       CREATED] token=f3dd2988 remid=0 locid=0 saddr4=4.3.2.1 daddr4=106.198.33.28 sport=8388 dport=51058
[   ESTABLISHED] token=f3dd2988 remid=0 locid=0 saddr4=4.3.2.1 daddr4=106.198.33.28 sport=8388 dport=51058
[     ANNOUNCED] token=f3dd2988 remid=1 daddr4=192.168.0.124 dport=0
[     ANNOUNCED] token=f3dd2988 remid=2 daddr4=192.168.20.2 dport=0
[        CLOSED] token=cc72cc46
[        CLOSED] token=f3dd2988
^C
root@u22-mptcpv1:~#

googleapis.com request

root@u22-mptcpv1:~# 
root@u22-mptcpv1:~# ip mptcp monitor
[       CREATED] token=76586697 remid=0 locid=0 saddr4=4.3.2.1 daddr4=106.198.33.28 sport=8388 dport=51171
[   ESTABLISHED] token=76586697 remid=0 locid=0 saddr4=4.3.2.1 daddr4=106.198.33.28 sport=8388 dport=51171
[     ANNOUNCED] token=76586697 remid=1 daddr4=192.168.0.124 dport=0
[     ANNOUNCED] token=76586697 remid=2 daddr4=192.168.20.2 dport=0
[SF_ESTABLISHED] token=76586697 remid=2 locid=0 saddr4=4.3.2.1 daddr4=157.49.225.221 sport=8388 dport=3264 backup=0
[        CLOSED] token=ca930436
[        CLOSED] token=76586697
^C
root@u22-mptcpv1:~#

I am trying to aggregate multiple WANs using shadowsocks. Could you provide more info on how to configure the path manager on the server and client side, viz. how to set add_addr_accepted, when to use the signal and/or subflow flags etc. ?

Also, can the endpoint id be any random, unique positive integer? Or should it be the same as the table ID from Configure Routing ?
@matttbe
Copy link
Member

matttbe commented Jun 20, 2023

Hi @SriramScorp

Thank you for the bug report and sorry for the delay.

However, traffic seems to flow mostly through one interface. And, even that becomes stale within seconds.
(...)
When trying to download a file via the socks proxy, transfer rate drops to 0 within 5-8 secs and never recovers.

It seems to be an issue with the packet scheduler (if the different networks being used are OK)

5.15.0-1029-raspi

Do you mind trying to reproduce the issue with a more recent kernel version for both the client and the server side (at least for the sender side)? By order of preference: the version from our export branch, the last version from Linus (v6.4-rc7), the last stable version (v6.3) or the last LTS (v6.1).

Some improvements have been done on the packet scheduler side but still, it should not stale.

pi@ubuntu:~$ ip mptcp endpoint show
192.168.0.124 id 1 signal subflow dev eth0 
192.168.20.2 id 2 signal subflow dev wlan0

(...)
I am trying to aggregate multiple WANs using shadowsocks. Could you provide more info on how to configure the path manager on the server and client side, viz. how to set add_addr_accepted, when to use the signal and/or subflow flags etc. ?

It is a different issue but it is strange to mark the endpoints with both signal (server side, to announce IP addresses) and subflow flags (client side, to initiate new subflows): you might have unexpected behaviours regarding the paths creation but you didn't add other endpoints and you don't accept ADD_ADDR on the server side so it should be fine I think. The rest looks good I think. Always good to start with higher limits and restrict later.

Also, can the endpoint id be any random, unique positive integer? Or should it be the same as the table ID from Configure Routing ?

The endpoint ID is optional and it is not linked to the table ID. Except if you have a specific use-case, it is often better not to set it.

@matttbe
Copy link
Member

matttbe commented Jul 12, 2023

Hello

Did you manage to reproduce the issue with a more recent kernel and with the proper endpoints flags?

@SriramScorp
Copy link
Author

No, I haven't gotten back to it yet. Got caught up with other stuff. As such, still using version 0.96.

@SriramScorp
Copy link
Author

Hi @matttbe!

Tried with a more recent kernel as suggested. Issue seems to persist. Now, the connection doesn't become stale, yet data traffic seems to flow only through one of the interfaces.

Client-side info:

pi@raspberrypi:~$ 
pi@raspberrypi:~$ sed 's/$/\n/' /proc/device-tree/model 
Raspberry Pi 5 Model B Rev 1.0
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ uname -m
aarch64
pi@raspberrypi:~$ 
pi@raspberrypi:~$ uname -r
6.6.20+rpt-rpi-2712
pi@raspberrypi:~$ 
pi@raspberrypi:~$ grep MPTCP /boot/config-$(uname -r)
CONFIG_MPTCP=y
CONFIG_INET_MPTCP_DIAG=m
pi@raspberrypi:~$ 
pi@raspberrypi:~$ sysctl net.mptcp.enabled 
net.mptcp.enabled = 1
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip -br a
lo               UNKNOWN        127.0.0.1/8 ::1/128 
eth0             UP             192.168.0.102/24 fd01::85c3:db:1cc:819c/64 fe80::b403:e83b:30c7:6234/64 
wlan0            UP             192.168.40.2/24 fe80::8d9e:bc3d:c9f7:d5e/64
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip r
default via 192.168.0.1 dev eth0 proto dhcp src 192.168.0.102 metric 100 
default via 192.168.40.1 dev wlan0 proto dhcp src 192.168.40.2 metric 600 
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.102 metric 100 
192.168.40.0/24 dev wlan0 proto kernel scope link src 192.168.40.2 metric 600
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip rule list table 11
32765:  from 192.168.0.102 lookup 11
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip rule list table 12
32764:  from 192.168.40.2 lookup 12
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip route list table 11
default via 192.168.0.1 dev eth0
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip route list table 12
default via 192.168.40.1 dev wlan0
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip mptcp limits show
add_addr_accepted 0 subflows 4
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip mptcp endpoint show
192.168.0.102 id 1 subflow dev eth0 
192.168.40.2 id 3 subflow dev wlan0
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ curl -x socks5h://127.0.0.1:1080 --connect-timeout 5 icanhazip.com
4.3.2.1 (obfuscated server IP)
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip mptcp monitor
[       CREATED] token=de9af55a remid=0 locid=0 saddr4=192.168.0.102 daddr4=4.3.2.1 sport=53656 dport=8388
[   ESTABLISHED] token=de9af55a remid=0 locid=0 saddr4=192.168.0.102 daddr4=4.3.2.1 sport=53656 dport=8388
[        CLOSED] token=de9af55a
^C
pi@raspberrypi:~$

When trying to download a file via the socks proxy,

pi@raspberrypi:~$ 
pi@raspberrypi:~$ curl -x socks5h://127.0.0.1:1080 --connect-timeout 5 -o /dev/null 'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/WhatCarCanYouGetForAGrand.mp4'
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 43.4M  100 43.4M    0     0  7260k      0  0:00:06  0:00:06 --:--:-- 8934k
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip mptcp monitor
[       CREATED] token=204bca95 remid=0 locid=0 saddr4=192.168.0.102 daddr4=4.3.2.1 sport=51616 dport=8388
[   ESTABLISHED] token=204bca95 remid=0 locid=0 saddr4=192.168.0.102 daddr4=4.3.2.1 sport=51616 dport=8388
[SF_ESTABLISHED] token=204bca95 remid=0 locid=3 saddr4=192.168.40.2 daddr4=4.3.2.1 sport=59163 dport=8388 backup=0 ifindex=3
[        CLOSED] token=204bca95
^C
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ vnstat -i eth0 --fiveminutes | tail -n5  
         16:55     45.99 MiB |  745.37 KiB |   46.72 MiB |    1.31 Mbit/s
         17:00     29.47 KiB |   25.30 KiB |   54.78 KiB |    1.50 kbit/s
         17:05     48.12 MiB |  812.89 KiB |   48.91 MiB |    1.37 Mbit/s
         17:10     23.09 KiB |    6.42 KiB |   29.50 KiB |      805 bit/s
     ------------------------+-------------+-------------+---------------
pi@raspberrypi:~$ 
pi@raspberrypi:~$ vnstat -i wlan0 --fiveminutes | tail -n5 
         16:55     87.99 KiB |    6.42 KiB |   94.40 KiB |    2.58 kbit/s
         17:00          76 B |       384 B |       460 B |       12 bit/s
         17:05     50.77 KiB |    4.72 KiB |   55.49 KiB |    1.51 kbit/s
         17:10           0 B |         0 B |         0 B |        0 bit/s
     ------------------------+-------------+-------------+---------------
pi@raspberrypi:~$

After changing the interface metric,

pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip r                                                                                                   
default via 192.168.40.1 dev wlan0 proto dhcp src 192.168.40.2 metric 50 
default via 192.168.0.1 dev eth0 proto dhcp src 192.168.0.102 metric 100 
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.102 metric 100 
192.168.40.0/24 dev wlan0 proto kernel scope link src 192.168.40.2 metric 600
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ curl -x socks5h://127.0.0.1:1080 --connect-timeout 5 -o /dev/null 'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/WhatCarCanYouGetForAGrand.mp4'
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 43.4M  100 43.4M    0     0  6881k      0  0:00:06  0:00:06 --:--:-- 9275k
pi@raspberrypi:~$ 
pi@raspberrypi:~$ ip mptcp monitor
[       CREATED] token=bf8135b2 remid=0 locid=0 saddr4=192.168.40.2 daddr4=4.3.2.1 sport=42842 dport=8388
[   ESTABLISHED] token=bf8135b2 remid=0 locid=0 saddr4=192.168.40.2 daddr4=4.3.2.1 sport=42842 dport=8388
[SF_ESTABLISHED] token=bf8135b2 remid=0 locid=1 saddr4=192.168.0.102 daddr4=4.3.2.1 sport=56301 dport=8388 backup=0 ifindex=2
[        CLOSED] token=bf8135b2
^C
pi@raspberrypi:~$ 

pi@raspberrypi:~$ 
pi@raspberrypi:~$ vnstat -i eth0 --fiveminutes | tail -n5
         18:10     41.18 KiB |   29.49 KiB |   70.68 KiB |    1.93 kbit/s
         18:15     49.02 MiB |  873.39 KiB |   49.88 MiB |    1.39 Mbit/s
         18:20     23.67 KiB |   85.88 KiB |  109.55 KiB |    2.99 kbit/s
         18:25     46.06 MiB |  815.25 KiB |   46.86 MiB |    1.31 Mbit/s
     ------------------------+-------------+-------------+---------------
pi@raspberrypi:~$ 
pi@raspberrypi:~$ vnstat -i wlan0 --fiveminutes | tail -n5
         18:10           0 B |         0 B |         0 B |        0 bit/s
         18:15     94.11 KiB |    7.71 KiB |  101.82 KiB |    2.78 kbit/s
         18:20      1.65 KiB |    2.65 KiB |    4.30 KiB |      117 bit/s
         18:25     45.43 KiB |    6.48 KiB |   51.91 KiB |    1.42 kbit/s
     ------------------------+-------------+-------------+---------------
pi@raspberrypi:~$

Server-side info:

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# cat /etc/os-release
PRETTY_NAME="Ubuntu 23.10"
NAME="Ubuntu"
VERSION_ID="23.10"
VERSION="23.10 (Mantic Minotaur)"
VERSION_CODENAME=mantic
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=mantic
LOGO=ubuntu-logo
root@ubu23-mptcpv1:~# 

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# uname -m
x86_64
root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# uname -r
6.5.0-9-generic
root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# grep MPTCP /boot/config-$(uname -r)
CONFIG_MPTCP=y
CONFIG_INET_MPTCP_DIAG=m
CONFIG_MPTCP_IPV6=y
root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# sysctl net.mptcp.enabled
net.mptcp.enabled = 1
root@ubu23-mptcpv1:~# 

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# ip mptcp limits show
add_addr_accepted 0 subflows 2 
root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# ip mptcp endpoint show
4.3.2.1 id 1 signal dev eth0 
root@ubu23-mptcpv1:~#

icanhazip.com request

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# ip mptcp monitor
[       CREATED] token=0ec5cf79 remid=0 locid=0 saddr4=4.3.2.1 daddr4=182.83.179.97 sport=8388 dport=30579
[   ESTABLISHED] token=0ec5cf79 remid=0 locid=0 saddr4=4.3.2.1 daddr4=182.83.179.97 sport=8388 dport=30579
[        CLOSED] token=a36d677e
[        CLOSED] token=0ec5cf79
^C
root@ubu23-mptcpv1:~#

googleapis.com request

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# ip mptcp monitor
[       CREATED] token=55ca4382 remid=0 locid=0 saddr4=4.3.2.1 daddr4=182.83.179.97 sport=8388 dport=30582
[   ESTABLISHED] token=55ca4382 remid=0 locid=0 saddr4=4.3.2.1 daddr4=182.83.179.97 sport=8388 dport=30582
[SF_ESTABLISHED] token=55ca4382 remid=3 locid=0 saddr4=4.3.2.1 daddr4=22.67.40.231 sport=8388 dport=7744 backup=0
[        CLOSED] token=b44e2385
[        CLOSED] token=55ca4382
^C
root@ubu23-mptcpv1:~#

After metric change,

root@ubu23-mptcpv1:~# 
root@ubu23-mptcpv1:~# ip mptcp monitor
[       CREATED] token=ceb2158c remid=0 locid=0 saddr4=4.3.2.1 daddr4=22.67.40.231 sport=8388 dport=11778
[   ESTABLISHED] token=ceb2158c remid=0 locid=0 saddr4=4.3.2.1 daddr4=22.67.40.231 sport=8388 dport=11778
[SF_ESTABLISHED] token=ceb2158c remid=1 locid=0 saddr4=4.3.2.1 daddr4=182.83.179.97 sport=8388 dport=30919 backup=0
[        CLOSED] token=0fffe81c
[        CLOSED] token=ceb2158c
^C
root@ubu23-mptcpv1:~#

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
question
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
2 participants
@matttbe @SriramScorp