easy OER conf that doesn't work

guys,

I think this is easy but I don't see why this doesn't work for me :(

topology R4 - R5 - SW2

R5 to R4 has se0/0 and se0/1 and R5 is MC and BR

SW2 is just a client to ping 150.1.4.4 (R4 Loop 0) size 1500 rep 99999999
timeout 0

problem is: as soon as I ping from SW2 to R4 I see interfaces that reaches
max bw.
but it never switch to se0/0 that is not overloaded at all.

Strange thing is that I don't see the "Other BR " in the logs..

and I don't see the switchover to the other external interface despite
there is the floating routes.

and it's not clear to me how R4 should see R5 if I'm working only with
static routes. (can I use asymmetric routing?)
and In case can I use another igp on the whole topology w/o any particular
attention?

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routing :

Rack1R5#sh run | i route

ip route 0.0.0.0 0.0.0.0 155.1.45.4
ip route 0.0.0.0 0.0.0.0 155.1.0.4 5

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interfaces

Rack1R5#show ip int brief

FastEthernet0/0 155.1.58.5 YES NVRAM up
up
Serial0/0 155.1.0.5 YES NVRAM up
up
Serial0/1 155.1.45.5 YES NVRAM up
up

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OER

oer master
 logging
 !
 border 150.1.5.5 key-chain OER
  interface Serial0/1 external
   max-xmit-utilization percentage 66
  interface FastEthernet0/0 internal
  interface Serial0/0 external
 !
 learn
  throughput
  periodic-interval 0
  monitor-period 1
 no max range receive
 mode route control
 mode select-exit best
 !
oer border
 local Loopback0
 master 150.1.5.5 key-chain OER

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Rack1R5# show oer master

OER state: ENABLED and ACTIVE
  Conn Status: SUCCESS, PORT: 3949
  Version: 2.1
  Number of Border routers: 1
  Number of Exits: 2
  Number of monitored prefixes: 2 (max 5000)
  Max prefixes: total 5000 learn 2500
  Prefix count: total 2, learn 2, cfg 0

Border Status UP/DOWN AuthFail Version
150.1.5.5 ACTIVE UP 01:28:45 0 2.1

Global Settings:
  max-range-utilization percent 20 recv 0
  mode route metric bgp local-pref 5000
  mode route metric static tag 5000
  trace probe delay 1000
  logging

Default Policy Settings:
  backoff 300 3000 300
  delay relative 50
  holddown 300
  periodic 0
  probe frequency 56
  mode route control
  mode monitor both
  mode select-exit best
  loss relative 10
  jitter threshold 20
  mos threshold 3.60 percent 30
  unreachable relative 50
  resolve delay priority 11 variance 20
  resolve utilization priority 12 variance 20

Learn Settings:
  current state : STARTED
  time remaining in current state : 81 seconds
  throughput
  delay
  no inside bgp
  no protocol
  monitor-period 1
  periodic-interval 0
  aggregation-type prefix-length 24
  prefixes 100
  expire after time 720

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logs

Rack1R5#show oer master border deta
Border Status UP/DOWN AuthFail Version
150.1.5.5 ACTIVE UP 01:29:45 0 2.1
 Se0/1 EXTERNAL UP
 Fa0/0 INTERNAL UP
 Se0/0 EXTERNAL UP

 External Capacity Max BW BW Used Load Status
Exit Id
 Interface (kbps) (kbps) (kbps)
(%)
 --------- -------- ------ ------- -------
------ ------
 Se0/1 Tx 128 84 128 100
UP 7
                 Rx 128 128 100
 Se0/0 Tx 64 48 0 0
UP 6
                 Rx 64 0 0

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logs

%OER_MC-5-NOTICE: Range OOP BR 150.1.5.5, i/f Se0/1, percent 100
%OER_MC-5-NOTICE: Load OOP BR 150.1.5.5, i/f Se0/1, load 0 policy 128
%OER_MC-5-NOTICE: Exit 150.1.5.5 intf Se0/1 OOP, Tx BW 128, Rx BW 128, Tx
Load 100, Rx Load 100
Rack1R5#d
OER MC PFX 4.4.4.0/24: Check PASS REL delay: delay 0, policy 50%, notify
TRUE
OER MC PFX 4.4.4.0/24: Check PASS REL delay: delay 0, policy 50%, notify
TRUE
Rack1R5#d
OER MC PROCESS: Main msg type 2, ptr 673061D0, value 0
Rack1R5#d
%OER_MC-5-NOTICE: Range OOP BR 150.1.5.5, i/f Se0/1, percent 100
%OER_MC-5-NOTICE: Load OOP BR 150.1.5.5, i/f Se0/1, load 0 policy 128
%OER_MC-5-NOTICE: Exit 150.1.5.5 intf Se0/1 OOP, Tx BW 128, Rx BW 128, Tx
Load 100, Rx Load 100
Rack1R5#d
OER MC LEARN: OER TTC: 150.1.5.5 reported 1 throughput learned prefixes
OER MC LEARN: OER TTC: 150.1.5.5 reported 0 delay learned prefixes
OER MC LEARN: Received stats from all borders so updating DB
OER MC LEARN: OER TTC: State change, new WRITING DATA, old STARTED, reason
Updating DB
%OER_MC-5-NOTICE: Prefix Learning WRITING DATA
OER MC LEARN: OER TTC: State change, new SLEEP, old WRITING DATA, reason
Sleep state
OER MC LEARN: TTC Periodic timer expired
OER MC LEARN: OER TTC: Not one learn list is enabled
OER MC LEARN: OER TTC: State change, new STARTED, old SLEEP, reason At
least one BR started
%OER_MC-5-NOTICE: Prefix Learning STARTED
Rack1R5#d
OER MC LEARN: MC received BR TT status as enabled
Rack1R5#d
OER MC PROCESS: Main msg type 36, ptr 0, value 0
Rack1R5#d
OER MC PFX 4.4.4.0/24: Check PASS REL delay: delay 0, policy 50%, notify
TRUE
OER MC PFX 4.4.4.0/24: Check PASS REL delay: delay 0, policy 50%, notify
TRUE
OER MC PROCESS: Main msg type 2, ptr 673061D0, value 0
Rack1R5#d
%OER_MC-5-NOTICE: Range OOP BR 150.1.5.5, i/f Se0/1, percent 100
%OER_MC-5-NOTICE: Load OOP BR 150.1.5.5, i/f Se0/1, load 0 policy 128
%OER_MC-5-NOTICE: Exit 150.1.5.5 intf Se0/1 OOP, Tx BW 128, Rx BW 128, Tx
Load 100, Rx Load 100

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thanks to who can help

-- 
@ccie99999
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