On 9/23/2014 6:56 AM, Rich Brown wrote:
Hi Eric,
I changed the internal subnet and it looks like everything changes correctly
but what happens is the interface comes up and I can ping it. I see IPv6
traffic coming from it (I believe) but there's no IPv4 response .I should see
if I can set up my Linux machine as IPv6 and see if I can access any of the
services there. IPv6 is new terrain for me so helpful pointers would be quite
welcome.
I would also appreciate any pointers to documentation explaining why all the
little subnets and why so many network interfaces.
This is mostly to isolate various kinds of traffic so the slowest (2.4GHz abg)
doesn't interfere with 5GHz wireless or 100mbps Ethernet. There's more info at:
make more sense. on my "stock" cerowrt box my My routing table looks
like below. I don't get the line for 172.3.42.0/24 with the flag of '1'
and an asterisk for the interface.
root@mars:~# netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
0.0.0.0 73.38.246.1 0.0.0.0 UG 0 0 0
ge00
73.38.246.0 0.0.0.0 255.255.254.0 U 0 0 0
ge00
172.30.42.0 0.0.0.0 255.255.255.224 U 0 0 0
se00
172.30.42.0 0.0.0.0 255.255.255.0 ! 0 0 0 *
172.30.42.64 0.0.0.0 255.255.255.224 U 0 0 0
sw00
172.30.42.96 0.0.0.0 255.255.255.224 U 0 0 0
sw10
root@mars:~#
When I turn on the VPN, I get:
root@mars:~# netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
0.0.0.0 73.38.246.1 0.0.0.0 UG 0 0 0
ge00
10.42.66.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.1.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.2.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.3.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.4.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.5.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.6.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.7.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.8.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.9.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.10.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.11.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.12.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.13.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.14.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.43.15.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.199.188.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
10.199.188.193 0.0.0.0 255.255.255.255 UH 0 0 0
tun0
73.38.246.0 0.0.0.0 255.255.254.0 U 0 0 0
ge00
172.30.42.0 0.0.0.0 255.255.255.224 U 0 0 0
se00
172.30.42.0 0.0.0.0 255.255.255.0 ! 0 0 0 *
172.30.42.64 0.0.0.0 255.255.255.224 U 0 0 0
sw00
172.30.42.96 0.0.0.0 255.255.255.224 U 0 0 0
sw10
192.168.9.0 10.199.188.193 255.255.255.0 UG 0 0 0
tun0
Yes, my work network has lots and lots of test subnets.
Since I can hit any of my work networks from the 3800 but not from my
lan, I suspect I'm missing some firewall rules.
one important question: Is there a way to define a named constant or
indirect reference to value in UCI instead of the literal.
dhcp: option ip '172.30.42.1'
network: option 'ipaddr' '172.30.42.1'
becomes
dhcp: option ip @internal_gateway
network: option 'ipaddr' @internal_gateway
and internal_gateway is defined on one place
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