#18623: Asus RT-N18U broken netwok
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Reporter: Grrruk | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Chaos Calmer (trunk)
Component: base system | Version: Trunk
Keywords: RT-N18U |
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From the very beginning of N18U support its network behaved randomly:
sometimes it just worked, sometimes did not. I was unable to find out how
it happened -- sometimes it happened after hard reset, sometimes after
reboot command, sometimes it worked ok several times in row, sometimes it
did not work across several reboots.
Then boot process was broken and only recently was fixed (ticket #18577).
Now network does not work at all. Everything looks ok, but no packets get
through, both ways, tcpdump on other side shows no packets. The same
happens in failsafe mode. But if I ping router from computer, swconfig
shows RxOctets steadily increasing. This happens in both normal and
failsafe mode. Computer:
dragon pts/18%ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
From 192.168.1.2 icmp_seq=4 Destination Host Unreachable
From 192.168.1.2 icmp_seq=5 Destination Host Unreachable
From 192.168.1.2 icmp_seq=6 Destination Host Unreachable
From 192.168.1.2 icmp_seq=7 Destination Host Unreachable
From 192.168.1.2 icmp_seq=8 Destination Host Unreachable
From 192.168.1.2 icmp_seq=9 Destination Host Unreachable
...
Router in failsafe mode, cable connected to port 3:
root@(none):/# swconfig dev switch0 show | grep
"RxOctets\|TxOctets\|Port"
Port 0:
mib: TxOctets : 0
RxOctets : 0
Port 1:
mib: TxOctets : 0
RxOctets : 0
Port 2:
mib: TxOctets : 0
RxOctets : 0
Port 3:
mib: TxOctets : 1047
RxOctets : 1280
Port 4:
mib: TxOctets : 0
RxOctets : 0
Port 5:
mib: TxOctets : 1280
RxOctets : 1111
... here I waited a little ...
root@(none):/# swconfig dev switch0 show | grep
"RxOctets\|TxOctets\|Port"
Port 0:
mib: TxOctets : 0
RxOctets : 0
Port 1:
mib: TxOctets : 0
RxOctets : 0
Port 2:
mib: TxOctets : 0
RxOctets : 0
Port 3:
mib: TxOctets : 1047
RxOctets : 2432
Port 4:
mib: TxOctets : 0
RxOctets : 0
Port 5:
mib: TxOctets : 2432
RxOctets : 1111
Thus RxOctets increase when I ping router and stand still if I stop
pinging. But that's all...
--
Ticket URL: <https://dev.openwrt.org/ticket/18623>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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