Hi -
Can anyone help me with this configuration. I have an L2 tagged VLAN (20) which can ping all it's peers and the router @ 10.1.1.1, it can even resolve DNS via the router but it cannot connect to the internet, I'm at a loss as to why.
All my devices connect through port 1 on the Asus N66U router, so I have 2 VLANs on port 1, tagged and untagged like so...
For the setup of VLAN 20 I followed the setup I've had working for guest traffic previous, the only difference being the guest traffic was on an entirely different port, unfortunately with current cabling setup I have all devices coming in on one ethernet cable to port 1.
Tagged VLAN20 traffic from the server on that VLAN is correctly differentiated from untagged traffic, it can ping the router and other devices on that VLAN, but doesn't seem to be able to ping anything internet wise, I thought 8t which is router CPU would allow this.
I don't understand why the router doesn't seem to forward internet traffic for VLAN 20, is this maybe some limitation of L2 tagging on the same subnet and port as the untagged traffic and how the WAN side works?
I should mention there are some switches involved between the server (VLAN20) and router, but given the server can ping the router these must be correctly forwarding tags (and I would expect so they are cisco switches)
Any ideas?
Can anyone help me with this configuration. I have an L2 tagged VLAN (20) which can ping all it's peers and the router @ 10.1.1.1, it can even resolve DNS via the router but it cannot connect to the internet, I'm at a loss as to why.
All my devices connect through port 1 on the Asus N66U router, so I have 2 VLANs on port 1, tagged and untagged like so...
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.254 * 255.255.255.255 UH 0 0 0 eth0
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
10.1.1.0 * 255.255.255.0 U 0 0 0 br0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default btbusinesshub 0.0.0.0 UG 0 0 0 eth0
admin@RT-N66U:/tmp/home/root# robocfg show
Switch: enabled gigabit
Port 0: 1000FD enabled stp: none vlan: 2 jumbo: off mac: d0:57:94:ae:91:db
Port 1: 1000FD enabled stp: none vlan: 1 jumbo: off mac: d2:10:5f:a3:a5:fc
Port 2: 100FD enabled stp: none vlan: 1 jumbo: off mac: 00:17:9a:24:48:a1
Port 3: DOWN enabled stp: none vlan: 1 jumbo: off mac: 00:00:00:00:00:00
Port 4: DOWN enabled stp: none vlan: 1 jumbo: off mac: 00:00:00:00:00:00
Port 5: DOWN enabled stp: none vlan: 1 jumbo: off mac: 00:00:00:00:00:00
Port 8: 1000FD enabled stp: none vlan: 2 jumbo: off mac: 74:d0:2b:5d:e8:40
VLANs: BCM53115 enabled mac_check mac_hash
1: vlan1: 1 2 3 4 8t
2: vlan2: 0 8u
20: vlan20: 1t 8t
brctl show
bridge name bridge id STP enabled interfaces
br0 8000.74d02b5de840 yes vlan1
eth1
eth2
wds0.1
vlan20For the setup of VLAN 20 I followed the setup I've had working for guest traffic previous, the only difference being the guest traffic was on an entirely different port, unfortunately with current cabling setup I have all devices coming in on one ethernet cable to port 1.
Tagged VLAN20 traffic from the server on that VLAN is correctly differentiated from untagged traffic, it can ping the router and other devices on that VLAN, but doesn't seem to be able to ping anything internet wise, I thought 8t which is router CPU would allow this.
I don't understand why the router doesn't seem to forward internet traffic for VLAN 20, is this maybe some limitation of L2 tagging on the same subnet and port as the untagged traffic and how the WAN side works?
I should mention there are some switches involved between the server (VLAN20) and router, but given the server can ping the router these must be correctly forwarding tags (and I would expect so they are cisco switches)
Any ideas?
Last edited:
