Issue with cisco ONS 15310. Slot with Ethernet ports, designed for bridging.

Hi, guys. I’ve got an issue with cisco ONS 15310 sdh optical network. I’ve got a special slot with Ethernet ports, designed for bridging. Assume, we’ve got to multiplexers, named A and B with ports A0 and B0 respectively. The ios console of these slots says, the configuration is as follows:
no ip address set on these ports
Ports are administratively up
Auto mdix
Bridge groups are the same on these ports.
Dot1q tunnel.
I’m trying to monitor a device with an ip-address connected to port B0. It answers ping if I connect the notebook directly to a device. But if I connect the notebook to port A0 and ping the device pluged in port B0 through the optical network, it doesn’t answer. I tried connections with straight and cross cable.
Guys, who set the network said, it should work as a point to point bridge with no extra configuration. But it doesn’t. I used wireshark sniffer to lookup what’s happening on port A0. All I see is cdp-s from port A0 and self-announcements of the notebook.
Any suggestions? Thank you in advance.

B
Building configuration...
Current configuration : 3712 bytes
! Last configuration change at
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
hostname B
boot-start-marker
boot-end-marker
enable password -
clock timezone -
ip subnet-zero
no ip domain-lookup
no mpls traffic-eng auto-bw timers frequency 0
bridge 100 protocol ieee
bridge 140 protocol ieee
bridge 141 protocol ieee
bridge 142 protocol ieee
bridge 143 protocol ieee
bridge 144 protocol ieee
interface Loopback0
ip address 192.x.0.x 255.255.255.255
interface FastEthernet0
description -
no ip address
mode dot1q-tunnel
bridge-group 140
bridge-group 140 spanning-disabled
interface FastEthernet1
description --- B0 ---
no ip address
mode dot1q-tunnel
bridge-group 141
bridge-group 141 spanning-disabled
interface FastEthernet2
description -
no ip address
mode dot1q-tunnel
bridge-group 142
bridge-group 142 spanning-disabled
interface FastEthernet3
description -
no ip address
mode dot1q-tunnel
bridge-group 143
bridge-group 143 spanning-disabled
interface FastEthernet4
description -
no ip address
mode dot1q-tunnel
bridge-group 144
bridge-group 144 spanning-disabled
interface FastEthernet5
no ip address
shutdown
interface FastEthernet6
no ip address
shutdown
interface FastEthernet7
description -
no ip address
shutdown
mode dot1q-tunnel
bridge-group 100
bridge-group 100 spanning-disabled
interface POS0
description -
no ip address
crc 32
interface POS0.1
encapsulation dot1Q 141
no snmp trap link-status
bridge-group 141
interface POS0.2
encapsulation dot1Q 142
no snmp trap link-status
bridge-group 142
interface POS0.3
encapsulation dot1Q 143
no snmp trap link-status
bridge-group 143
interface POS0.4
encapsulation dot1Q 144
no snmp trap link-status
bridge-group 144
interface POS0.5
description -
encapsulation dot1Q 140
no snmp trap link-status
bridge-group 140
interface POS1
no ip address
crc 32
interface POS1.1
encapsulation dot1Q 100
no snmp trap link-status
bridge-group 100
router ospf 100
log-adjacency-changes
network 192.x.0.x 0.0.0.0 area 0
ip default-gateway [x.x.x.x]
ip classless
no ip http server
snmp-server community public RO
snmp-server ifindex persist
snmp-server trap link ietf
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps tty
snmp-server enable traps config
snmp-server enable traps cpu threshold
snmp-server enable traps entity
snmp-server enable traps syslog
snmp-server enable traps hsrp
snmp-server enable traps config-copy
snmp-server enable traps bridge
snmp-server enable traps ospf state-change
snmp-server enable traps ospf errors
snmp-server enable traps ospf retransmit
snmp-server enable traps ospf lsa
snmp-server enable traps ospf cisco-specific state-change
snmp-server enable traps ospf cisco-specific errors
snmp-server enable traps ospf cisco-specific retransmit
snmp-server enable traps ospf cisco-specific lsa
snmp-server enable traps bgp
snmp-server enable traps pim neighbor-change rp-mapping-change invalid-pim-message
snmp-server enable traps ipmulticast
snmp-server enable traps rtr
snmp-server enable traps mpls traffic-eng
snmp-server enable traps mpls ldp
snmp-server enable traps rsvp
snmp-server enable traps l2tun session
snmp-server enable traps mpls vpn
snmp-server host x.x.x.x public
control-plane
line con 0
line vty 0 4
password -
logging synchronous level 4
login
end

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Issue with cisco ONS 15310. Slot with Ethernet ports, designed for bridging.

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