I have nic bonding (mode=802.3ad) setup on 2 servers, both running Centos 5.5
In the "Active Aggregator Info", on one reports 4 ports - which is
correct - but the other only reports 3 ports.
It's always eth0 that shows a different aggregator ID. Changing the cables
around so it hits a different port on the switch makes no difference. The switch
is correctly configured for the port channel.
The only difference between the 2 servers is one is running Xen
(kernel-xen-2.6.18-194.32.1.el5.centos.plus) so I have a few virtual interfaces
and bridges.
Any ideas what might be happening?
Thanx,
Russell Smithies
[root at invmhp01 ~]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.4.0 (October 7, 2008)
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
Active Aggregator Info:
Aggregator ID: 19
Number of ports: 3 <<<<<<<<
Actor Key: 17
Partner Key: 5
Partner Mac Address: 00:1b:90:3d:90:c0
Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 1c:c1:de:74:97:5c
Aggregator ID: 18
Slave Interface: eth1
MII Status: up
Link Failure Count: 0
Permanent HW addr: 1c:c1:de:74:97:5d
Aggregator ID: 19
Slave Interface: eth2
MII Status: up
Link Failure Count: 0
Permanent HW addr: 1c:c1:de:74:97:5e
Aggregator ID: 19
Slave Interface: eth3
MII Status: up
Link Failure Count: 0
Permanent HW addr: 1c:c1:de:74:97:5f
Aggregator ID: 19
[root at invmhp01 ~]# ifconfig
bond0 Link encap:Ethernet HWaddr 1C:C1:DE:74:97:5C
inet addr:147.158.130.183 Bcast:147.158.131.255 Mask:255.255.252.0
inet6 addr: fe80::1ec1:deff:fe74:975c/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:64087 errors:0 dropped:0 overruns:0 frame:0
TX packets:18179 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8293500 (7.9 MiB) TX bytes:31362799 (29.9 MiB)
eth0 Link encap:Ethernet HWaddr 1C:C1:DE:74:97:5C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:5770 errors:0 dropped:0 overruns:0 frame:0
TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:410102 (400.4 KiB) TX bytes:2524 (2.4 KiB)
eth1 Link encap:Ethernet HWaddr 1C:C1:DE:74:97:5C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:22247 errors:0 dropped:0 overruns:0 frame:0
TX packets:17436 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1424685 (1.3 MiB) TX bytes:31161969 (29.7 MiB)
Interrupt:239
eth2 Link encap:Ethernet HWaddr 1C:C1:DE:74:97:5C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:6223 errors:0 dropped:0 overruns:0 frame:0
TX packets:189 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:442326 (431.9 KiB) TX bytes:19993 (19.5 KiB)
Interrupt:235
eth3 Link encap:Ethernet HWaddr 1C:C1:DE:74:97:5C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:29852 errors:0 dropped:0 overruns:0 frame:0
TX packets:537 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6016657 (5.7 MiB) TX bytes:179281 (175.0 KiB)
Interrupt:231
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:26818 errors:0 dropped:0 overruns:0 frame:0
TX packets:26818 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:38558929 (36.7 MiB) TX bytes:38558929 (36.7 MiB)
peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:41498 errors:0 dropped:0 overruns:0 frame:0
TX packets:251 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3000012 (2.8 MiB) TX bytes:59877 (58.4 KiB)
Interrupt:243
vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:127 errors:0 dropped:0 overruns:0 frame:0
TX packets:39354 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:15520 (15.1 KiB) TX bytes:2817598 (2.6 MiB)
virbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:8160 (7.9 KiB)
xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:38746 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2217067 (2.1 MiB) TX bytes:0 (0.0 b)
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