From: jrwalliker@gmail.com   
      
   On 15/01/2026 13:33, Pancho wrote:   
   > On 1/14/26 21:13, Lawrence D’Oliveiro wrote:   
   >> On Wed, 14 Jan 2026 17:57:35 +0000, John R Walliker wrote:   
   >>   
   >>> Some routers will let you use the source mac address in routing rules   
   >>> which nicely overcomes the problem with varying IPv6 addresses.   
   >>   
   >> That could also be handled with a VLAN.   
   >   
   > If your network hardware handles VLAN tags.   
   >   
   > I have numerous switches (unmanaged) and WiFi access points, none of the   
   > ones I tested were compatible with VLAN tags (i.e. The network device   
   > stripped the VLAN tag off packets rather than dumbly passed the packet   
   > through with VLAN tag intact).   
   >   
   > VLANs also aren't ideal as you may wish to implement policy routing on a   
   > protocol (e.g. VoIP) or WAN destination, not just upon a LAN host.   
      
   There does seem to be a lot of variation in how different switches   
   behave.  The HP 1820 and 1810 series web managed switches along with   
   a variety of Netgear web managed switches all propagate vlan tags in   
   their default state.   
   They can can be configured to detag vlans on specific ports if   
   necessary.   
   I have some Allied Telesis managed switches that block vlans by default.   
      
   John   
      
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