sio(4) driver

[Maxim Mazurok]

On Wed, Sep 03, 2003 at 11:21:30PM +0200, Thomas Moestl wrote:

>> >> >That's very strange. So you cannot see them in tcpdump if you do not
>> >> >put the interface in promiscuous mode (by using the -p argument to
>> >> >tcpdump)? Can you receive broadcast packets (e.g. a broadcast ping) at
>> >> >all?
>> >> 
>> >> so... experiment:
>> >> [...]
>> >
>> >Hmmm. Can you please repeat the experiment and send a tcpdump, this
>> >time in promiscuous mode (i.e. without the -p option), if possible
>> >from both the e250 and the cisco?
>> 
>> i not have e250 :(
>
>Oh, sorry, mixed that up.
>
>> i have Ultra AXi OEM motherboard.....
>> tcpdump on cisco - it's problem. i can run packet debugger....
>
>Hmmm, the tcpdump from the sparc64 box might do for now.
>
>> so, experiment two: 
>> 
>> root at fang:~#ifconfig rl3
>> rl3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>         options=8<VLAN_MTU>
>>         inet 193.201.116.249 netmask 0xfffffffc broadcast 193.201.116.251
>>         ether 00:30:4f:21:bc:91
>>         media: Ethernet 10baseT/UTP
>>         status: active
>> root at fang:~#tcpdump -n -i rl3
>
>Please include -e in the tcpdump flags; sorry for forgetting to
>mention that.

root at fang:~#tcpdump -e -n -i rl3
tcpdump: listening on rl3
01:47:28.400964 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:47:29.796714 0:0:c:47:8a:c1 1:0:c:cc:cc:cc 0125 307: CDP v2, ttl=180s DevID 'ap-ec' Addr (1): IPv4 193.201.116.250 PortID 'Ethernet0' CAP 0x01[|cdp]
01:47:30.398474 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:47:32.398607 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:47:34.398588 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:47:36.401175 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:47:37.232685 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 106: 193.203.148.244 > 193.201.116.250: icmp: echo request
01:48:29.840822 0:0:c:47:8a:c1 1:0:c:cc:cc:cc 0125 307: CDP v2, ttl=180s DevID 'ap-ec' Addr (1): IPv4 193.201.116.250 PortID 'Ethernet0' CAP 0x01[|cdp]
01:48:47.010696 0:0:c:47:8a:c1 0:30:4f:21:bc:91 0800 114: 193.201.116.250 > 193.201.116.249: icmp: echo request
01:48:47.010816 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 114: 193.201.116.249 > 193.201.116.250: icmp: echo reply
01:48:47.015514 0:0:c:47:8a:c1 0:30:4f:21:bc:91 0800 114: 193.201.116.250 > 193.201.116.249: icmp: echo request
01:48:47.015628 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 114: 193.201.116.249 > 193.201.116.250: icmp: echo reply
01:48:47.020241 0:0:c:47:8a:c1 0:30:4f:21:bc:91 0800 114: 193.201.116.250 > 193.201.116.249: icmp: echo request
01:48:47.020339 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 114: 193.201.116.249 > 193.201.116.250: icmp: echo reply
01:48:47.024923 0:0:c:47:8a:c1 0:30:4f:21:bc:91 0800 114: 193.201.116.250 > 193.201.116.249: icmp: echo request
01:48:47.025035 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 114: 193.201.116.249 > 193.201.116.250: icmp: echo reply
01:48:47.029700 0:0:c:47:8a:c1 0:30:4f:21:bc:91 0800 114: 193.201.116.250 > 193.201.116.249: icmp: echo request
01:48:47.029802 0:30:4f:21:bc:91 0:0:c:47:8a:c1 0800 114: 193.201.116.249 > 193.201.116.250: icmp: echo reply
01:49:08.583119 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:49:10.582876 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:49:12.582824 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:49:14.582860 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:49:16.582901 0:0:c:47:8a:c1 ff:ff:ff:ff:ff:ff 0800 114: 193.201.116.250 > 255.255.255.255: icmp: echo request
01:49:29.884726 0:0:c:47:8a:c1 1:0:c:cc:cc:cc 0125 307: CDP v2, ttl=180s DevID 'ap-ec' Addr (1): IPv4 193.201.116.250 PortID 'Ethernet0' CAP 0x01[|cdp]
^C
24 packets received by filter
0 packets dropped by kernel
root at fang:~#arp -an | grep rl3
? (193.201.116.248) at ff:ff:ff:ff:ff:ff on rl3 permanent [ethernet]
? (193.201.116.250) at 00:00:0c:47:8a:c1 on rl3 [ethernet]
? (193.201.116.251) at ff:ff:ff:ff:ff:ff on rl3 permanent [ethernet]


from cisco:

ap-ec#sh arp
Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  193.201.116.249         5   0030.4f21.bc91  ARPA   Ethernet0
Internet  193.201.116.250         -   0000.0c47.8ac1  ARPA   Ethernet0

-- 
Maxim Mazurok  (MMP2-RIPE)