#20381: Creating a new VLAN breaks the existing default VLAN 1 eth1 device on
TP-
LINK TL-WR1043ND v2 router
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Reporter: tim@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: base system | Version: Barrier Breaker 14.07
Keywords: |
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Hello,
I'm testing with OpenWrt 14.07 BB and TP-LINK TL-WR1043ND v2 router.
The default OpenWrt configuration on this device has the default
LAN interface on the physical device eth1.
When a new VLAN is created using the usual LuCI switch screen, when
the new VLAN is activated, the switch will then treat VLAN 1 (the
default VLAN) as accessible only using the device eth1.1.
As the default OpenWrt configuration references only eth1, the
result is a non-working LAN configuration on a VLAN that the user
does not expect to have been changed.
A straightforward fix would be to change the default OpenWrt
configuration to reference VLAN 1 right from the start using the
eth1.1 notation (similarly to how the older TL-WR1043NDv1 router
works).
There are two changes needed to do this: add a 0t to the VLAN1
switch definition to move the switch into VLAN mode, and reference
eth1.1 instead of eth1 in the LAN interface definition.
With these changes, users can later create VLANs with no impact
to VLAN1.
old:
config interface 'lan'
option ifname 'eth1'
option force_link '1'
option type 'bridge'
new:
config interface 'lan'
option ifname 'eth1.1' CHANGE HERE
option force_link '1'
option type 'bridge'
old:
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '0 1 2 3 4'
new:
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '0t 1 2 3 4' CHANGE HERE
Note this issue is specific to the v2 model of this router,
which uses a different switch chipset compared to the v1 older
model.
Regards,
Tim Miller Dyck
--
Ticket URL: <https://dev.openwrt.org/ticket/20381>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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