Re: [Xen-users] bond/trunk issues

[Peter Braun <xenware@xxxxxxxxx>]

Hi,

got similar setup.

Important setting is "xmit_hash_policy=layer2+3"

my bonding module settings:

bonding mode=4 miimon=100 downdelay=100 updelay=100 xmit_hash_policy=layer2+3


Br

Peter



2010/7/26 Srija G <srijavg@xxxxxxxxx>:
> Hi ,
>
>
> I asked the following  question few  days back, but  did not  get  any
> reply.
>
> I am trying to set  bond/trunk with  mode=4, not successful still yet.  The
> configuration  is  as
> below  in the mail attached.
>
> After few  search  , found  rhel5.4  bonding module  has  few  issues.  Now
> the server is being upgraded
> to rhel5.5.  But the issue  did not solve still yet. While rebooting the
> server   , in the dmesg  getting the
> messages  as,
>
> bonding: bond0: enslaving eth1 as a backup interface with a down link.
> bnx2: eth1 NIC SerDes Link is Up, 1000 Mbps full duplex
> bonding: bond0: link status definitely up for interface eth1.
>
> It will be really appreciated  if someone helps me to figuring out the
> problems.
>
> Thanks again
>
>
>
> _______________________________________________________
>
> Hi ,
>   I am trying to configure  bond/trunk  on RHEL 5.4 86_64 OS.
>  The bond/trunk works  when I am using mode=1, ie fault-tolerance
> (active-backup)
>  But when I am trying to configure with mode=4, ie 802.3ad Dynamic link
> aggregation,
>   it is not working.
>
>   Here is the configuration I did:
>
>   -  Considering one  port for bonding ,  now only eth1 as it is a test
> server has only one port
>
>   -  the 3 subnets are being considered 12- 14
>
>   -  Included bonding drivers.  and the /etc/modprobe.conf mentioned the
> parameters as
>
>      alias bond0 bonding
>      options bond0 mode=4 miimon=100 lacp_rate=1
>
>   -  In /etc/sysconfig/network-scripts area created few config files as
> follows;
>
>       ifcfg-bond0  :  DEVICE=bond0
>                       BOOTPROTO=none
>                       ONBOOT=yes
>                       Type=Ethernet
>
>
>       ifcfg-eth1   :  DEVICE=eth1
>                       USERCTL=no
>                       ONBOOT=yes
>                       MASTER=bond0
>                       BOOTPROTO=none
>                       HWADDR=xx:xx:xx:xx:xx:xx
>                       SLAVE=yes
>
>
>       ifcfg-bond0.12 :  DEVICE=bond0.12
>                         ONBOOT=yes
>                         TYPE=Ethernet
>                         BOOTPROTO=static
>                         IPADDR=xxx.xx.xx.xx
>                         NETMASK=255.255.255.0
>                         VLAN=yes
>
>       Similarly created ifcfg-bond0.13 and ifcfg-bond.14 like ifcfg-bond0.12
>
>    -  Here is the switch side configuration:
>
>       interface Port-channel60
>       description <server> trunk/channel
>       switchport trunk allowed vlan 1,12-14,460
>       switchport mode trunk
>       spanning-tree portfast trunk
>       end
>
>       xxx-es-bcs1#sh run int g1/0/4
>       Building configuration...
>
>       Current configuration : 192 bytes
>        !
>       interface GigabitEthernet1/0/4
>       description <server> trunk
>       switchport trunk allowed vlan 1,12-14,460
>       switchport mode trunk
>       channel-group 60 mode active
>       spanning-tree portfast trunk
>       end
>
>    -  Kept  tag 460 for future use ..
>
>    -  I am getting the file  in /proc/net/bonding/pbond0  not bond0,  here
> is the display
>
>       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: fast
> Active Aggregator Info:
>         Aggregator ID: 1
>         Number of ports: 1
>         Actor Key: 17
>         Partner Key: 1
>         Partner Mac Address: 00:00:00:00:00:00
>
> Slave Interface: eth1
> MII Status: up
> Link Failure Count: 0
> Permanent HW addr: xx:xx:xx:xx:xx:xx
> Aggregator ID: 1
>
>     -  here is the display  of /proc/net/vlan/bond0.12
>
>
> pbond0.12  VID: 12       REORDER_HDR: 1  dev->priv_flags: 81
>          total frames received            0
>           total bytes received            0
>       Broadcast/Multicast Rcvd            0
>
>       total frames transmitted           68
>        total bytes transmitted        14925
>             total headroom inc            0
>            total encap on xmit            0
> Device: pbond0
> INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
> EGRESSS priority Mappings:
>
> Similary  the other two subnets also.....
>
> _________________________________________________
>
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>

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