Red Hat Bugzilla – Bug 718641
Can't change lacp_rate in bonding mode=802.3ad
Last modified: 2015-05-04 21:23:17 EDT
+++ This bug was initially created as a clone of Bug #707142 +++ Description of problem: The bonding cannot change the LACPDU tx rate to request from 802.3ad partner when reset the parm:lacp_rate Version-Release number of selected component (if applicable): [root@hp-dl585g7-02 ~]# uname -r 2.6.32-131.0.15.el6.x86_64 How reproducible: always Steps to Reproduce: 1.config switch to support 802.3ad 2.modprobe bonding mode=4 miimon=100 lacp_rate=1 3.ifconfig bond0 up 4.ifenslave bond0 eth1 eth7 5.tcpdump -p -e ether proto 0x8809 -i bond0 You can see request partner to transmit LACPDUs every 1 second [root@hp-dl580g7-01 ~]# tcpdump -p ether proto 0x8809 -i bond0 tcpdump: WARNING: bond0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on bond0, link-type EN10MB (Ethernet), capture size 65535 bytes 03:58:42.302350 LACPv1, length 110 03:58:43.312393 LACPv1, length 110 03:58:44.312413 LACPv1, length 110 03:58:45.312478 LACPv1, length 110 5.ifconfig bond0 down 6.echo 0 > /sys/class/net/bond0/bonding/lacp_rate cat /proc/net/bonding/bond0 [root@hp-dl580g7-01 ~]# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009) Bonding Mode: IEEE 802.3ad Dynamic link aggregation Transmit Hash Policy: layer2 (0) MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 802.3ad info LACP rate: slow <==================== Aggregator selection policy (ad_select): stable Active Aggregator Info: Aggregator ID: 2 Number of ports: 1 Actor Key: 33 Partner Key: 0 Partner Mac Address: 00:05:73:dd:9a:3c 7.ifconfig bond0 up tcpdump -p -e ether proto 0x8809 -i bond0 It still request partner to transmit LACPDUs every 1 second, didnot change to slow in every 30 second. Actual results: Expected results: Additional info:
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Patch(es) available in kernel-2.6.18-283.el5 You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5 Detailed testing feedback is always welcomed.
On kernel 2.6.18-287.el5 After change lacp_rate=slow ,bonding receive lacp packets every 30s. So set verified
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2012-0150.html