Some questions about Link Aggregation and Failover

Damien Fleuriot ml at my.gd
Wed Mar 7 08:27:41 UTC 2012


Sorry top post, not so smartphone.


Do this on your c3750, in privileged mode:

Show ether 1 sum



On 7 Mar 2012, at 05:41, bo wang <wowopla at gmail.com> wrote:

> Hello:
>      Recently I want to do Link Aggregation for increasing the
> speed. I use a Cisco 3750 Switche and two IBM Server R       with BSD
> 9.0 .I do link aggregation According to this page.
>      http://www.freebsd.org/doc/en/books/handbook/network-aggregation.html
>      I use LACP .But when i have done ,the link aggregation  only can
> do Failover  .It cann't increase the  speed. What is the
> problem?Detailed configuration as follows
> 
> in the BSD9.0  /etc/rc.conf
> hostname="bbc04"
> ifconfig_bce2="up"
> ifconfig_bce3="up"
> ifconfig_bce4="up"
> ifconfig_bce5="up"
> ifconfig_bce6="up"
> ifconfig_bce7="up"
> cloned_interfaces="lagg0"
> ifconfig_lagg0="laggproto loadbalance laggport bce2 laggport bce3
> laggport bce4 laggport bce5 laggport bce6 laggport bce7"
> ipv4_addrs_lagg0="172.16.60.64/16"
> defaultrouter="172.16.0.1"
> sshd_enable="YES"
> pureftpd_enable="YES"
> # Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
> dumpdev="NO"
> 
> the Cisco 3750 configure
> interface range gigabitEthernet 1/0/1-6
> channel-proto lacp
> channel-group 1 mode active
> 
> 
> interface range gigabitEthernet 1/0/13-18
> channel-proto lacp
> channel-group 2 mode active
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