Thank your for reply.
First,I think the Link Aggregation can't support too much ports
aggregation.So I change the configure, just get together two
ports.Below are configuration information of c3750:
Switch#show eth 1 sum
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator
M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port
Number of channel-groups in use: 2
Number of aggregators: 2
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) LACP Gi1/0/1(P) Gi1/0/2(P)
Switch#show lacp neighbor
Flags: S - Device is requesting Slow LACPDUs
F - Device is requesting Fast LACPDUs
A - Device is in Active mode P - Device is in Passive mode
Channel group 1 neighbors
Partner's information:
LACP port Admin Oper Port Port
Port Flags Priority Dev ID Age key Key Number State
Gi1/0/1 SA 32768 0010.18c0.af20 4s 0x0 0x250 0x3 0x3D
Gi1/0/2 SA 32768 0010.18c0.af20 4s 0x0 0x250 0x4 0x3D
Channel group 2 neighbors
Partner's information:
LACP port Admin Oper Port Port
Port Flags Priority Dev ID Age key Key Number State
Gi1/0/13 SA 32768 0010.18c0.af7c 1s 0x0 0x250 0x3 0x3D
Gi1/0/14 SA 32768 0010.18c0.af7c 1s 0x0 0x250 0x4 0x3D
Switch#show lacp neighbor detail
Flags: S - Device is requesting Slow LACPDUs
F - Device is requesting Fast LACPDUs
A - Device is in Active mode P - Device is in Passive mode
Channel group 1 neighbors
Partner's information:
Partner Partner Partner
Port System ID Port Number Age Flags
Gi1/0/1 32768,0010.18c0.af20 0x3 13s SA
LACP Partner Partner Partner
Port Priority Oper Key Port State
32768 0x250 0x3D
Port State Flags Decode:
Activity: Timeout: Aggregation: Synchronization:
Active Long Yes Yes
Collecting: Distributing: Defaulted: Expired:
Yes Yes No No
Partner Partner Partner
Port System ID Port Number Age Flags
Gi1/0/2 32768,0010.18c0.af20 0x4 14s SA
LACP Partner Partner Partner
Port Priority Oper Key Port State
32768 0x250 0x3D
Port State Flags Decode:
Activity: Timeout: Aggregation: Synchronization:
Active Long Yes Yes
Collecting: Distributing: Defaulted: Expired:
Yes Yes No No
Channel group 2 neighbors
Partner's information:
Partner Partner Partner
Port System ID Port Number Age Flags
Gi1/0/13 32768,0010.18c0.af7c 0x3 15s SA
LACP Partner Partner Partner
Port Priority Oper Key Port State
32768 0x250 0x3D
Port State Flags Decode:
Activity: Timeout: Aggregation: Synchronization:
Active Long Yes Yes
Collecting: Distributing: Defaulted: Expired:
Yes Yes No No
Partner Partner Partner
Port System ID Port Number Age Flags
Gi1/0/14 32768,0010.18c0.af7c 0x4 16s SA
LACP Partner Partner Partner
Port Priority Oper Key Port State
32768 0x250 0x3D
Port State Flags Decode:
Activity: Timeout: Aggregation: Synchronization:
Active Long Yes Yes
Collecting: Distributing: Defaulted: Expired:
Yes Yes No No
2012/3/7 bo wang <wowo...@gmail.com>:
> 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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