ifconfig data interpretation
William Muriithi
william.muriithi-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Thu Apr 2 15:47:24 UTC 2009
Morning,
I have noticed that the ifconfig tool is being deprecated and will be
replaced by the ip tool. However, so far I have not been able to find
a way of getting all the information generated by ifconfig from ip
tool. By that I mean details like packets received, packet sent out,
collision statistics and sent/receive errors are impossible to get
from /sbin/ip. Now, is that a tool limitation or is it me who have
not done my homework well?
Second, I have noticed one details that is not straight forward to
understand as I thought - frame. When I googled, I got the feeling its
a flag raised when the NIC can not detect connectivity. That is not
the case though as none of the network based seem affected. It could
also be the frame is larger than 1500, but I have not seen it in any
other system. It make no sense to assert that only one system is
experiencing giant frames.
That got me thinking that I may actually be misinterpretation what the
word frame mean and therefore the post. Any idea why the frame counter
keep going up?
Link encap:Ethernet HWaddr 00:14:22:3E:8F:79
inet addr:172.16.1.139 Bcast:172.16.3.255 Mask:255.255.252.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:37156044 errors:172679 dropped:0 overruns:0 frame:172678
TX packets:54908637 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:313517308 (298.9 MiB) TX bytes:2734438868 (2.5 GiB)
Base address:0xecc0 Memory:fe6e0000-fe700000
- Interesting dmesg information
* e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
* Intel(R) PRO/1000 Network Driver - version 6.0.54-k2-NAPI
The nic card is:
lspci output
* 06:07.0 Ethernet controller: Intel Corp. 82541GI/PI Gigabit Ethernet
Controller (rev 05)
ethtool output
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: umbg
Wake-on: d
Current message level: 0x00000007 (7)
Link detected: yes
Regards,
William
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