Some questions about Link Aggregation and Failover
Al Plant
noc at hdk5.net
Thu Mar 8 02:45:09 UTC 2012
bo wang wrote:
> 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 Check your eth discriptor this is for Linux
is not for FreeBSD use ed0 or other FreeBSD
> 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 <wowopla at 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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--
~Al Plant - Honolulu, Hawaii - Phone: 808-284-2740
+ http://hawaiidakine.com + http://freebsdinfo.org +
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< email: noc at hdk5.net >
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