ESXi 5.5 nic teaming/LAG with trunking does not but it works on ESX 4.0. Both are on the same switch. What gives?
I have two hosts (vhost1 = ESX 4.0, vhost2 = 5.5 ESX) both are configured for the Group and both connected to a switch of 1544 Adtran L3 (named sw01). vhost1 has been in production for several years with the config below and has been solid as a rock. I'm trying to reproduce the installation of grouping/collage on vhost2 and it does not work when are associated but will work when you are using a single NIC (with or without aggregation).
To be more specific about what does not work, two virtual servers have "Network server" (vlan 8) defined as a group of ports. Both physical and virtual servers on the same vlan cannot ping or resolve queries arp for virtual machines on vhost2. Everything that is sent from a different subnet can connect to the virtual machines on each virtual server.
So the question is this: why not ESX 5.5 works as ESX 4.0 when the configs are also near identical, as I can make them and they are connected to the same switch?
Thanks for any input you can provide!
S
This is the configuration for vhost1
switch 1 (sw01)
SW01 #sho run int port 3
Building configuration...
!
!
interface port-channel 3
Description LAG for vhost1
no downtime
switchport mode trunk
switchport trunk allowed vlan 1.8
!
end
SW01 #sho run int 0/23 concert
Building configuration...
!
!
0/23 gigabit-switchport interface
Vhost1 vmnic2 vswitch1 description
no downtime
channel-group mode 3 on
!
end
SW01 #sho run int concert 0/24
Building configuration...
!
!
0/24 gigabit-switchport interface
Vhost1 vmnic1 vswitch1 description
no downtime
channel-group mode 3 on
!
end
vhost1
[root@vhost1 ~] # esxcfg - NICS - l
Name PCI Driver link speed Duplex MAC address MTU Description
vmnic0 03:04.00 tg3 up to 1000Mbps Full 78:e7:d1:5f:01:f4 1500 Broadcom Corporation NC326i PCIe Dual Port Gigabit Server Adapter
vmnic1 03:04.01 tg3 up to 1000Mbps Full 78:e7:d1:5f:01:f5 1500 Broadcom Corporation NC326i PCIe Dual Port Gigabit Server Adapter
[root@vhost1 ~] # esxcfg - vmknic - l
Interface Port Group/DVPort IP IP family address Netmask Broadcast MAC address MTU TSO MSS active Type
vmk1 VMkernel - Server NetIPv4 10.1.8.31 255.255.255.0 10.1.8.255 00:50:56:78:9e:7e 1500 65535 true STATIC
VMkernel - SAN Net IPv4 10.1.252.20 vmk0 255.255.255.0 10.1.252.255 00:50:56:7 c: d8:7e 9000 65535 true STATIC
[root@vhost1 ~] # esxcfg - vswif - l
Port Group/DVPort IP IP family name address Netmask Broadcast Enabled TYPE
Service vswif1 - NetIPv4 management 10.1.1.12 console 255.255.255.0 10.1.1.255 true STATIC
[root@vhost1 ~] # esxcfg - vswitch - l
Switch name Num used Ports configured Ports MTU rising ports
32 4 32 1500 vSwitch0
Name PortGroup VLAN ID used rising Ports
0 3 VM network
Switch name Num used Ports configured Ports MTU rising ports
vSwitch1 64 12 64 1500 vmnic1, vmnic0
Name PortGroup VLAN ID used rising Ports
Server network 8 7 vmnic1, vmnic0
Console - management service vmnic1 Net0 1, vmnic0
VMkernel - server 1 vmnic1 Net8, vmnic0
On the Load Balancing vSwitch it Hash IP value.
This is the configuration for vhost2
switch 1
SW01 #sho run int 4 port
Building configuration...
!
!
interface port-channel 4
LAG description for vhost2
no downtime
switchport mode trunk
switchport trunk allowed vlan 1.8
!
end
SW01 #sho run int concert 0/17
Building configuration...
!
!
0/17 gigabit-switchport interface
Description vhost2
no downtime
channel-group mode 4 on
!
end
SW01 #sho run int concert 0/18
Building configuration...
!
!
interface gigabit-switchport 0/18
Description vhost2
no downtime
channel-group mode 4 on
!
end
vhost2
~ # esxcfg - NICS - l
Name PCI Driver link speed Duplex MAC address MTU Description
vmnic0 e1000e up to 1000Mbps Full 00:25:90:e7:0e:9 0000:08:00.00 1500 c Intel Corporation 82574 L Gigabit Network Connection
vmnic1 0000:09:00.00 e1000e up to 1000Mbps Full 00:25:90:e7:0e:9 d 1500 Intel Corporation 82574 L Gigabit Network Connection
~ # esxcfg - vmknic - l
Interface Port Group/DVPort IP IP family address Netmask Broadcast MAC address MTU TSO MSS active Type
Management 10.1.1.15 IPv4 network vmk0 255.255.255.0 10.1.1.255 c 1500 65535 real STATIC 00:25:90:e7:0e:9
~ # esxcfg - road - l
VMkernel itineraries:
Interface of network gateway subnet mask
10.1.1.0 255.255.255.0 subnet local vmk0
by default 0.0.0.0 10.1.1.1 vmk0
~ # esxcfg - road - n
Expiration type neighbor Interface MAC address
10.1.1.1 00:a0:c8:8 has: ff: 3 b vmk0 19m13s unknown
~ # esxcfg - vswitch - l
Switch name Num used Ports configured Ports MTU rising ports
vSwitch0 4352 7 128 1500 vmnic0, vmnic1
Name PortGroup VLAN ID used rising Ports
Server network 8 1 vmnic0, vmnic1
Management network 0 1 vmnic0, vmnic1
On the Load Balancing vSwitch it Hash IP value.
Hello
Do you share the vmnic for ESXi management and network of the VM?
Try to follow the steps in this KB: VMware KB: NICs using EtherChannel grouping allows intermittent network connectivity in ESXi
Trying to team adapters using EtherChannel, network connectivity is disrupted on an ESXi host. This problem occurs because grouping NIC properties will not propagate to the network management portgroup in ESXi.
When you configure the ESXi host for grouping of NETWORK cards in attributing to the road based on ip hashload balancing, this configuration is not propagated to the portgroup management network.
Workaround
Note: to reduce the possibility network loss please change the route based on the hash of IP using this method of balancing load vSwitch
- Close all ports in the physical switch team leaving a single port as active.
- Change the Route based on ip hash vSwitch and load balancing management Portgroup.
- Set up the physical switch port channel.
- Activate the physical switch ports.
Notes: Using this method will avoid a loss of connection when you switch to a port channel. Also make sure that under the properties for vmk portgroup # used for network management you tick the box "Enabled".
Tags: VMware
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