Site to Site Connection Issue

[Raghav Sinha]

Is Site to Site network service connection possible between SharedNICs? I have not been able to create a slice where Site to Site is working.

[Komal Thareja]

Hi Rajiv,

L2STS links should work with SharedNICs. Could you please share your slice details where this is not working?

Thanks,

Komal

[Raghav Sinha]

Hi,

I was able to get the slice to be created, but do you have any suggestions to test the connection. I’ve tried pinging either VM with the connection, but this fails.

Thanks

[Komal Thareja]

Hi Raghav,

Could you please check if the interfaces on the VMs have the IP addresses configured?

Also, please share the Slice ID for your slice. This will help us take a look at it as well.

Thanks,

Komal

[Raghav Sinha]

Hi,

 

This is my Slice ID for the most recent slice where I tried site to site connection: 97872f32-3cc0-4843-bf91-636b71f4ee87 . The IP address seem to be configured. When SSHing into each VM, I am able to ping google but not the other VM. How can I establish connection between the VMs?

 

Thanks

[Komal Thareja]

Hi Raghav,

The data plane interfaces on your VMs connected via L2STS do not have IP addresses configured.

The enp3s0 interface on your VMs is designated as the management interface and should be used solely for SSH access. For your experiment, please use the data plane interfaces, which are enp7s0 on both VMs.

I recommend exploring the JH example—Wide Area Link (Layer 2)—using manual, auto, or user-defined configurations, as it demonstrates how IP addresses should be set up.  Please, let us know if you encounter any further issues.

Snapshot from the VMs:


root@4f3a79fa-6e29-454e-9ec4-d1bfbda81a17-bapi-v2:~# ifconfig -a
enp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
inet 10.30.6.167 netmask 255.255.254.0 broadcast 10.30.7.255
inet6 fe80::f816:3eff:fe82:7b9 prefixlen 64 scopeid 0x20
inet6 2001:400:a100:3070:f816:3eff:fe82:7b9 prefixlen 64 scopeid 0x0
ether fa:16:3e:82:07:b9 txqueuelen 1000 (Ethernet)
RX packets 51778 bytes 150077282 (150.0 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 25537 bytes 2608566 (2.6 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


enp6s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 06:b7:27:d2:b5:0b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 178 bytes 23663 (23.6 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 178 bytes 23663 (23.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0



root@bd65ee61-46a2-4cb2-b89e-c6b385052336-bapi-vm1:~# ifconfig -a
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
inet 10.20.5.38 netmask 255.255.254.0 broadcast 10.20.5.255
inet6 fe80::f816:3eff:fe55:c84f prefixlen 64 scopeid 0x20
ether fa:16:3e:55:c8:4f txqueuelen 1000 (Ethernet)
RX packets 15231 bytes 146475806 (146.4 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 13258 bytes 1020159 (1.0 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


enp7s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 16:8a:89:5e:75:97 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 238 bytes 37767 (37.7 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 238 bytes 37767 (37.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


Thanks,

Komal

[Raghav Sinha]

Hi,

I explored the JH notebook Wide Area Link (Layer 2), both the manual and automatic instructions. It seems I am having a bit of an issue running the commands there. With just this code:

from ipaddress import ip_address, IPv4Address, IPv6Address, IPv4Network, IPv6Network
import ipaddress

from fabrictestbed_extensions.fablib.fablib import FablibManager as fablib_manager

fablib = fablib_manager()

I am getting a TokenManagerException. I am not familiar with how fablib_manager() works, so I am unclear as to how to rectify this. Here is the exception trace:

TokenManagerException                     Traceback (most recent call last)
Cell In[2], line 6
      2 import ipaddress
      4 from fabrictestbed_extensions.fablib.fablib import FablibManager as fablib_manager
----> 6 fablib = fablib_manager()
      8 fablib.show_config();

Additionally, I have tried including the project id, but the same exception occurs:

project_id=”5c3d6ece-0af3-4277-a1a3-65300b8b9536″

fablib = fablib_manager(project_id=project_id)

• This reply was modified 2 weeks, 2 days ago by Raghav Sinha.

[Komal Thareja]

Hi Raghav,

Please set up your JH environment by running the notebook: jupyter-examples-rel1.8.1/configure_and_validate/configure_and_validate.ipynb

This shall setup all the required configuration files and SSH keys. Please try the Wide Area Link notebook or Hello Fabric after that to ensure your configuration works. Please let us know if you run into issues.

Thanks,

Komal

[Author]

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