Hello,
I have a Dell Poweredge T610 running ESXi 4.1 and a Cisco Catalyst 2960 running IOS 1.5. I have been trying to get a etherchannel working with load balancing but whenever i have both network cables plugged in, the ip of the host becomes unreachable. If I only have 1 cable plugged in everything works fine.
On ESXi i have the 2 onboard nics added to a vswitch, although I have tried using a separate pci card with the same results. In the vSwitch configuration I have Load balancing set for "Route based on IP hash". That is the only thing I have modified at all on a fresh esxi install
On a pretty vanilly c2960, I have the 2 ports port channeled like this
interface GigabitEthernet0/10
channel-group 2 mode on
!
interface GigabitEthernet0/11
channel-group 2 mode on
I have the following load balance type
switch#sh etherchannel load-balance
EtherChannel Load-Balancing Configuration: src-dst-ip
switch#sh int po2
Port-channel2 is up, line protocol is up (connected) Hardware is EtherChannel, address is a0cf.5b37.f18b (bia a0cf.5b37.f18b) MTU 1500 bytes, BW 2000000 Kbit/sec, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 1000Mb/s, link type is auto, media type is unknown input flow-control is off, output flow-control is unsupported Members in this channel: Gi0/10 Gi0/11 ARP type: ARPA, ARP Timeout 04:00:00 Last input never, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 201 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 3 packets/sec 204611082 packets input, 249998258846 bytes, 0 no buffer Received 7725 broadcasts (3507 multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog, 3507 multicast, 0 pause input 0 input packets with dribble condition detected 264997578 packets output, 334029285510 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets 0 unknown protocol drops 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier, 0 pause output 0 output buffer failures, 0 output buffers swapped out
But at this point I cannot ping the IP of the esxi box. If I run a test management network from the esxi box, I get random results. Like the default gateway will fail, but the dns will succeed even though they're all on the same subnet. then if i run it again it will fail on everything.
I have reproduced this now with several servers and switches, so i knwo it's not a hardware issue, but I just can't figure out where my config is wrong. Anyone have pointers?