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linux_router:network [2025-08-17 Sun wk33 08:22] – [Network - Netplan Setup] baumkplinux_router:network [2025-11-30 Sun wk48 18:55] (current) – [Debian Network - Server Interface Setup] baumkp
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 Note: Note:
   *Use ''ip a'' and ''ip r'' to analyse current network configuration   *Use ''ip a'' and ''ip r'' to analyse current network configuration
-  *Use ''sudo journalctl -xeu networking'' to check any errors on networking+  *Use ''sudo journalctl -xeu networking'' (''sudo systemctl status networking'') to check any errors on networking 
 +    *This also brings up  dhclient requests on network dhcp 
 +  *Use ''sudo journalctl -xeu systemd-networkd'' (''sudo systemctl status systemd-networkd'') 
 +  *Use ''sudo journalctl -xeu NetworkManager'' (''sudo systemctl status NetworkManager'') (Linux desktops tend to use this)
 References: References:
   *[[https://wiki.debian.org/NetworkConfiguration|NetworkConfiguration]] see section on Bridging   *[[https://wiki.debian.org/NetworkConfiguration|NetworkConfiguration]] see section on Bridging
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 ====ipv6 Hurricane Electric Setup notes==== ====ipv6 Hurricane Electric Setup notes====
 +++++tl;dr;|
 I set up the router network tunnel 6in4 to HEipv6.  I could IPv6 ping WAN from the router, but could not so ping WAN from elsewhere on the local area network (lan).\\ I set up the router network tunnel 6in4 to HEipv6.  I could IPv6 ping WAN from the router, but could not so ping WAN from elsewhere on the local area network (lan).\\
 The main tunnel connection is set up in the main network configuration file(s).\\ The main tunnel connection is set up in the main network configuration file(s).\\
 My routing table had ''2001:470:1f2c:10d::/64 dev he-ipv6 proto kernel metric 256 pref medium'', I found that removing this from the routing table allowed remote lan access to function: The one off command to do this: ''sudo ip r del 2001:470:1f2c:10d::/64 dev he-ipv6''.\\ My routing table had ''2001:470:1f2c:10d::/64 dev he-ipv6 proto kernel metric 256 pref medium'', I found that removing this from the routing table allowed remote lan access to function: The one off command to do this: ''sudo ip r del 2001:470:1f2c:10d::/64 dev he-ipv6''.\\
-I looked for ways to adjust the netplan configuration, either to stop this line from being added, or increase its metric, but to no avail.  So I created the following systemd service to perform this function on start-up after the network was up."\\+I looked for ways to adjust the netplan configuration, either to stop this line from being added, or increase its metric, but to no avail.  So I created the following systemd service to perform this function on start-up after the network was up."\\ ++++
 To create and edit the service: ''sudo systemctl edit --force --full ipv6_start.service'', ''man systemctl'' and search for  To create and edit the service: ''sudo systemctl edit --force --full ipv6_start.service'', ''man systemctl'' and search for 
 ++++ipv6_start.service| ++++ipv6_start.service|