Bug 143981
| Summary: | ifconfig & "netstat -i" report incorrect statistics for virtual interfaces | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 3 | Reporter: | Mustafa Mahudhawala <mmahudha> | ||||
| Component: | net-tools | Assignee: | Radek Vokál <rvokal> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Ben Levenson <benl> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 3.0 | CC: | faris.xiao, kzak | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | i686 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2005-05-19 18:48:36 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Sorry for the typing mistake, It should be /proc/net/dev instead of /proc/dev/net I meet the same bug.
ifconfig
eth0 Link encap:Ethernet HWaddr 00:0D:56:BC:4F:87
inet addr:211.136.83.81 Bcast:211.136.83.87
Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10003778 errors:0 dropped:0 overruns:0 frame:0
TX packets:8998261 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3753099706 (3579.2 Mb) TX bytes:217130958 (207.0
Mb)
Interrupt:28
eth0:0 Link encap:Ethernet HWaddr 00:0D:56:BC:4F:87
inet addr:211.136.83.82 Bcast:211.136.83.255
Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17298039 errors:0 dropped:0 overruns:0 frame:0
TX packets:16934925 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:195770904 (186.7 Mb) TX bytes:3122619034 (2977.9
Mb)
Interrupt:28
eth1 Link encap:Ethernet HWaddr 00:0D:56:BC:4F:88
inet addr:192.168.0.6 Bcast:192.168.0.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17298039 errors:0 dropped:0 overruns:0 frame:0
TX packets:16934925 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:195770904 (186.7 Mb) TX bytes:3122619034 (2977.9
Mb)
Interrupt:29
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:5231854 errors:0 dropped:0 overruns:0 frame:0
TX packets:5231854 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2254227813 (2149.7 Mb) TX bytes:2254227813
(2149.7 Mb)
netstat -i
Kernel Interface table
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-
DRP TX-OVR Flg
eth0 1500 0 10003957 0 0 0 8998429
0 0 0 BMRU
eth0:0 1500 0 17298126 0 0 0 16935005
0 0 0 BMRU
eth1 1500 0 17298126 0 0 0 16935005
0 0 0 BMRU
lo 16436 0 5231903 0 0 0 5231903
0 0 0 LRU
Created attachment 109461 [details]
the patch that fix alias statistics problem
Thanks for the patch, it goes to net-tools-1.60-43 for FC. RHEL version will follow. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2005-445.html |
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.3) Gecko/20040924 Description of problem: For virtual interfaces created using the ifcfg-ethN:X scripts the ifconfig and netstat -i report statistics of the last real adapter listed in /proc/dev/net Agreed, that "ip" is the recommended way to create aliases, and also the man pages of ifconfig/netstat clearly mention that the respective commands will not provide statistics for virtual interfaces, nevertheless, ifconfig/netstat should atleast report the statistics of the parent device i.e. the real interface to which the virtual interface is aliased to. At the minimum, ifconfig/netstat should atleast report 0 for statistics of virtual interfaces. Version-Release number of selected component (if applicable): net-tools-1.60-20E.1 How reproducible: Always Steps to Reproduce: 1.Create virtual interfaces using ifcfg scripts in /etc/sysconfig/network-scripts/ 2.Check interface statistics (like RX/TX) for these virtual interfaces using ifconfig or netstat -i Actual Results: # ifconfig eth0 Link encap:Ethernet HWaddr 00:0D:88:45:75:3F inet addr:10.0.0.11 Bcast:10.0.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4 errors:0 dropped:0 overruns:0 frame:0 TX packets:22 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:316 (316.0 b) TX bytes:1396 (1.3 Kb) Interrupt:9 Base address:0xd700 eth0:1 Link encap:Ethernet HWaddr 00:0D:88:45:75:3F inet addr:10.0.0.12 Bcast:10.0.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:9753 errors:0 dropped:0 overruns:0 frame:0 TX packets:6738 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:892852 (871.9 Kb) TX bytes:1375163 (1.3 Mb) Interrupt:9 Base address:0xd700 eth1 Link encap:Ethernet HWaddr 00:0F:1F:87:0C:69 inet addr:172.31.0.22 Bcast:172.31.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:9753 errors:0 dropped:0 overruns:0 frame:0 TX packets:6738 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:892852 (871.9 Kb) TX bytes:1375163 (1.3 Mb) Base address:0xdd40 Memory:fcfe0000-fd000000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:16 errors:0 dropped:0 overruns:0 frame:0 TX packets:16 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1372 (1.3 Kb) TX bytes:1372 (1.3 Kb) # netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 4 0 0 0 22 0 0 0 BMRU eth0:1 1500 0 9779 0 0 0 6753 0 0 0 BMRU eth1 1500 0 9779 0 0 0 6753 0 0 0 BMRU lo 16436 0 16 0 0 0 16 0 0 0 LRU # Expected Results: ifconfig/netstat should report the statistics of virtual interface (eth0:1 in above eg.), using the parent interface (eth0 in above eg.) and not using the last device listed in /proc/dev/net (eth1 in above eg.) Additional info: # uname -rm 2.4.21-27.0.1.EL i686 # cat /etc/redhat-release Red Hat Enterprise Linux AS release 3 (Taroon Update 4) # lspci -n | grep "Class 0200" 02:09.0 Class 0200: 1186:1300 (rev 10) 02:0c.0 Class 0200: 8086:100e (rev 02) 02:09.0 Ethernet controller: D-Link System Inc RTL8139 Ethernet (rev 10) 02:0c.0 Ethernet controller: Intel Corp. 82540EM Gigabit Ethernet Controller (rev 02)