2 ISP, 2 networks, full failover

RouterOS Beginner Basics
1

Hello
I have network topology like this:

Network1 ---- L2+ switch ---- RB2011UAS ---- ISP1
                      |
                      |
Network2 ---- L2+ switch ---- RB2011UAS ---- ISP2

ISP1 and ISP2 cannot provide any routing protocol for me. Networks are splited by VLANs, switches support only static routing
Which technologies should I use to get full failover and maximum bandwith utilization for this network topology?

2 
Network1 ---- L2+ switch ---- RB2011UAS ---- ISP 1 + ISP 2

L2 do only switching.

RB2011UAS = http://mum.mikrotik.com/presentations/PL12/pina.pdf

3

I can’t merge Network1 and Network2 in one net because they are placed in different buildings and should operate even if link between buildings or electricity in some building fail.
My switches can do static routing because they are L2+ like Cisco 300 series switches: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps10898/data_sheet_c78-610061.html

4

Ospf ecmp for your wans. And you could do vrrp for your lans. You’d most likely need to change a bit of config for this though, like bringing the lan networks to both routers

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5

and this topology?

                                   |----------NETWORK1
ISP1 + ISP2 -----RB2011  |
                                   |----------NETWORK2
6

One router and 2 wans ? Use mangle and routing marks. Pcc is good for this

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7

It looks like right solution for me. I haven’t strong experience in OSPF and know nothing about ECMP, but will learn.

No way. I have to place RB2011 in one building in this case and if electricity fails on this building another building will stay without internet connection after UPS battery discharge.