en0 en2 and en3 are on my Mac, which is ok, the IP it is assigned is
192.168.3.32 (en1). My problem is that I cannot ping 192.168.1.1 (em1),
192.168.2.1 (em2) yet I can ping 192.168.3.1 (em3, the NIC my Mac is
connecting to) and I can access the Internet. Moreover, all the devices cannot
access the devices on other LANs.

This is what I got on the router:

# route -inet
route: unknown option -- i
usage: route [-dnqtv] [-T tableid] command [[modifiers] args]
commands: add, change, delete, exec, flush, get, monitor, show
# route show -inet
Routing tables

Internet:
Destination        Gateway            Flags   Refs      Use   Mtu  Prio Iface
default            27.9.20.1          UGS     2656 45894821     -     8
pppoe0
BASE-ADDRESS.MCAST localhost          URS        0        0 32768     8 lo0
27.9.20.1          27.9.22.243        UH         1       48     -     8
pppoe0
27.9.22.243        27.9.22.243        UHl        0   112560     -     1
pppoe0
loopback           localhost          UGRS       0        0 32768     8 lo0
localhost          localhost          UHl        1      251 32768     1 lo0
192.168.1/24       192.168.1.1        UC         0  1302369     -     4 em1
192.168.1.1        1a:cc:00:12:b1:9d  UHLl       0    63715     -     1 em1
192.168.1.255      192.168.1.1        UHb        0   350100     -     1 em1
192.168.2/24       192.168.2.1        C          0        8     -     4 em2
192.168.2.1        1a:cc:00:12:b1:9e  UHLl       0     1951     -     1 em2
192.168.2.255      192.168.2.1        Hb         0        1     -     1 em2
192.168.3/24       192.168.3.1        UC         2       21     -     4 em3
192.168.3.1        1a:cc:00:12:b1:9f  UHLl       0    25515     -     1 em3
192.168.3.32       78:9f:70:79:b8:5a  UHLc       1  3399193     -     4 em3
192.168.3.33       f0:cb:a1:79:18:43  UHLc       0    67314     -     4 em3
192.168.3.255      192.168.3.1        UHb        0       75     -     1 em3
192.168.244/24     192.168.244.1      UC         0        0     -     4 em0
192.168.244.1      1a:cc:00:12:b1:9c  UHLl       0        0     -     1 em0
192.168.244.255    192.168.244.1      UHb        0        0     -     1 em0

> On 10 Dec 2016, at 6:45 AM, Fred <open...@crowsons.com> wrote:
>
> On 12/09/16 19:35, 雷致强 wrote:
>> Sorry, I posted the wrong ifconfig configuration, this is the one on my
Mac:
>>
>> $ ifconfig
>> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
>>      options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP>
>>      inet 127.0.0.1 netmask 0xff000000
>>      inet6 ::1 prefixlen 128
>>      inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
>>      nd6 options=201<PERFORMNUD,DAD>
>> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
>> stf0: flags=0<> mtu 1280
>> en1: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>      ether 78:9f:70:79:b8:5a
>>      inet6 fe80::1c73:268c:55f4:65ef%en1 prefixlen 64 secured scopeid 0x4
>>      inet 192.168.3.32 netmask 0xffffff00 broadcast 192.168.3.255
>>      nd6 options=201<PERFORMNUD,DAD>
>>      media: autoselect
>>      status: active
>> en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>      options=10b<RXCSUM,TXCSUM,VLAN_HWTAGGING,AV>
>>      ether 38:c9:86:08:81:84
>>      nd6 options=201<PERFORMNUD,DAD>
>>      media: autoselect (none)
>>      status: inactive
>> en2: flags=963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX> mtu 1500
>>      options=60<TSO4,TSO6>
>>      ether 2a:00:00:fa:2f:c0
>>      media: autoselect <full-duplex>
>>      status: inactive
>> en3: flags=963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX> mtu 1500
>>      options=60<TSO4,TSO6>
>>      ether 2a:00:00:fa:2f:c1
>>      media: autoselect <full-duplex>
>>      status: inactive
>> p2p0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 2304
>>      ether 0a:9f:70:79:b8:5a
>>      media: autoselect
>>      status: inactive
>> awdl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1484
>>      ether be:e7:72:f1:a8:96
>>      inet6 fe80::bce7:72ff:fef1:a896%awdl0 prefixlen 64 scopeid 0x9
>>      nd6 options=201<PERFORMNUD,DAD>
>>      media: autoselect
>>      status: active
>> bridge0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>      options=63<RXCSUM,TXCSUM,TSO4,TSO6>
>>      ether 2a:00:00:fa:2f:c0
>>      Configuration:
>>              id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0
>>              maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200
>>              root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0
>>              ipfilter disabled flags 0x2
>>      member: en2 flags=3<LEARNING,DISCOVER>
>>              ifmaxaddr 0 port 6 priority 0 path cost 0
>>      member: en3 flags=3<LEARNING,DISCOVER>
>>              ifmaxaddr 0 port 7 priority 0 path cost 0
>>      nd6 options=201<PERFORMNUD,DAD>
>>      media: <unknown type>
>>      status: inactive
>> utun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 2000
>>      inet6 fe80::98f7:b520:f58b:14dc%utun0 prefixlen 64 scopeid 0xb
>>      nd6 options=201<PERFORMNUD,DAD>
>> ppp0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
>>      inet 10.0.0.24 --> 10.0.0.1 netmask 0xff000000
>>
>>> On 10 Dec 2016, at 3:16 AM, Mihai Popescu <mih...@gmail.com> wrote:
>>>
>>> What is the ifconfig configuration of your PC?
>>> Do you run any pf configuration on your router?
>>>
>>> I really doubt ip forwarding is broken, even on a snapshot!
>>
> This is really confusing - en0 en2 and en3 are not active...
>
> but em1 and em2 are your issue?
>
> what does route show -inet say?
>
> hth
>
> Fred
>
>

Thanks and best regards,
Siegfried

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