I am tryign to setup a etherchannel between a 2 port blade and a cisco switch with following config
interface GigabitEthernet2/2
switchport
switchport acesss vlan 232
channel-group 1 mode on
interface GigabitEthernet3/22
switchport
switchport access vlan 232
channel-group 1 mode on
interface Port-channel1
switchport
switchport access vlan 232
on the dvswitch, all PGs are set to ip hash and both links active, uplinks is also enabled for lacp
but when I turn up the port-channel, I lose connectivity to the esx server. from the esx server, I cannot ping the gateway.
any idea?
Hi,
What version of ESXi are you using?
Can you post the output of:
show etherchannel load-balance
and
show etherchannel summary
Also, I notice you said a blade. Taking a look at this article it states:
Is this relevant to you? If not, this article on NIC teaming using etherchannel leads to intermittant network connectivity might be useful?
Just trying to help with some ideas!
You're using blade servers ? If yes, you may not be able to configure LACP in your vSphere ESXi since each host physical interface connect to a different switch module on chassis and the requirements to use LACP is that all physical interface that will me part of LACP must be connected to the same physical switch (or different switchs but in stacked configuration).
Take a look: VMware KB: Host requirements for link aggregation for ESXi and ESX
The switch must be set to perform 802.3ad link aggregation in static mode ON and the virtual switch must have its load balancing method set to Route based on IP hash. Ensure that the participating NICs are connected to the ports configured on the same physical switch.
here is the cisco portchannel config
#sh etherchannel load-balance
EtherChannel Load-Balancing Configuration:
src-dst-ip
EtherChannel Load-Balancing Addresses Used Per-Protocol:
Non-IP: Source XOR Destination MAC address
IPv4: Source XOR Destination IP address
IPv6: Source XOR Destination IP address
HK4503#sh etherchannel summ
HK4503#sh etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
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: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) LACP Gi2/2(P) Gi3/22(P)
ok from a vm, I tried copying one file to location A and another file to location B
and this is the output I get now. It shows both nics are being used now
so looks like egress traffic is being load balanced and ingress is not?
ok did another test
from sourceA I copied a file to a vm on that lag
from source B I copied another file to the same vm on that lag
and it did not load balance
only vmnic3 is being used. why is this happening?
ok now I am running 2 v2v sessions into the host and vmnic2 is used. strange
Hi,
I'm fairly sure you are seeing the correct behavior, you've seen both links utilised which is the main thing.
This Article helped me in understanding your issue a little more. Another good read I found was from Michael Webster Here (a little outdated but still good).
I am presenting problems for LACP's enable on some Dell brand servers as I describe:
TECHNICAL POINT The Swithc Procurve 25106 of 48 pts if it is functional with LACP since in two servers proliant microserver gen8 of double Nic Broadcom Corporation Netxtreme BCM5720 Gigabit Ethernet if they are working
But these DELL's servers on enable LACP nic protocol on switch activate and lost conection to net, and I have not found help in this regard.
I have a server's units specs to below
Dell power Edge 810 con tarjetaQLogic Corporation QLogic NetXtreme II BCM5709 1000Base-T de 4 puertos VMware ESXi, VMware ESXi, 6.7.0, 15160138 en Intel(R) Xeon(R) CPU E7- 8837 @ 2.67GHz
PowerEdge R710 con 4 puertos Adaptador Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-T Controlador bnx2 VMware ESXi, 6.5.0, 17477841 en Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
PowerEdge R710 con 4 puertos Adaptador QLogic Corporation QLogic NetXtreme II BCM5709 1000Base-T Controlador qflge VMware ESXi, 6.7.0, 15160138 Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
In advance I appreciate some tips or guides to be able to do it
