For the 3560, yes, for the 3550 no. For the 3550, its two load-balance options can not balance traffic since server and router MACs remain the same. For the 3560, server IP remains the same, but host IPs vary. You could also use the dst-ip (sw1) and src-ip (sw2) options.
BTW, if the problem was servers (plural) not server (singular), then you could also use src-mac (sw1) and dst-mac (sw2) on the 3550s.
The 3550's supports both L2 and L3 Etherchannels. From your post, I was assuming you were using the switches just in L2 mode, especially since you had one in front of "router1". If you use them (3550s) at L3, then "But in 3550 src-mac = src-dst-ip" applies, i.e. the src-mac option enables src-dst-ip, which like it does on the 3560, would work well.
Since you wrote "I can't using this method.", I believe you've confirmed my assumption that you intended a L2 Etherchannel, and in this case, you can't load balance to/from a single pair of MACs (i.e. one server and one router).
You wrote: "Generaly , when We used etherchannel on L2 we based on MAC when etherchannel on L3 we based on IP ?"
Personally, I would put it this way: you balance according to that parameter which provides you with the best variance and thereby the best traffic distribution. On any kind of EtherChannel, it might be IP or MAC, source or destination - that really depends on your traffic pattern. No universal recommendations here...
That's a different situation from your original post, since there's no router between sw2 and the other hosts. Then you could, as your write use: "SW1 3550 dst-mac SW2 3550 src-mac".
"But when SW2 will be 3560 I can using src-mac or src-dst-mac . It's right? "
If you use a 3560, from the reference I provided, all the Etherchannel balancing options are allowed regardless of L2 or L3 Etherchannel. If using a 3560, they you would want to balance using one of the IP options.
"Generaly , when We used etherchannel on L2 we based on MAC when etherchannel on L3 we based on IP ? Its truth."
Not always, depends on devices and topology. Howerver, if the Etherchannel is routed p-2-p, it's likely there's only a single MAC being used so that's why the IP based options would be chosen.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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