MikroTik S2S IPSec Tunnel - kein Ping der Gegenstelle möglich

# nov/21/2021 17:39:10 by RouterOS 6.48.5
# software id = H7LJ-IN76
#
# model = CRS109-8G-1S-2HnD
# serial number = 00000001
/interface bridge
add name=Loopback protocol-mode=none
add admin-mac=2C:C8:1B:86:B1:CF auto-mac=no comment=defconf name=bridge
/interface wireless
set [ find default-name=wlan1 ] band=2ghz-b/g/n channel-width=20/40mhz-XX \
    disabled=no distance=indoors frequency=auto installation=indoor mode=\
    ap-bridge ssid=WiFi wireless-protocol=802.11
/interface ethernet
set [ find default-name=ether1 ] name=ether1-gateway
/interface list
add comment=defconf name=WAN
add comment=defconf name=LAN
/interface wireless security-profiles
set [ find default=yes ] authentication-types=wpa-psk,wpa2-psk mode=\
    dynamic-keys supplicant-identity=MikroTik wpa-pre-shared-key=\
    PASSWORD wpa2-pre-shared-key=PASSWORD
/ip ipsec profile
add dh-group=ecp521 enc-algorithm=aes-256,aes-128 hash-algorithm=sha512 name=\
    S2S-Profile
/ip ipsec peer
add address=192.168.240.25/32 comment=S2SVPN01 exchange-mode=ike2 name=\
    S2SVPN01 profile=S2S-Profile
/ip ipsec proposal
add auth-algorithms=sha512 enc-algorithms=aes-256-gcm name=secure-proposal \
    pfs-group=ecp521
/ip pool
add comment="LAN DHCP Pool" name=dhcp ranges=10.123.100.100-100.123.100.254  
add comment="SSTP-VPN DHCP Pool" name="SSTP-VPN Pool" ranges=\  
    10.123.201.100-10.123.201.200
add comment="L2TP-VPN DHCP Pool" name="L2TP-VPN Pool" ranges=\  
    10.123.200.100-10.123.200.200
/ip dhcp-server
add address-pool=dhcp disabled=no interface=bridge name=defconf
/ppp profile
add bridge=bridge comment="SSTP-VPN Profil" dns-server=10.123.201.1 \  
    local-address=10.123.201.1 name=SSTP-VPN remote-address="SSTP-VPN Pool" \  
    use-encryption=required use-mpls=yes
add bridge=bridge change-tcp-mss=yes comment="L2TP-VPN Profil" dns-server=\  
    10.123.200.1 local-address=10.123.200.1 name=L2TP-VPN remote-address=\
    "L2TP-VPN Pool" use-mpls=yes  
/interface bridge port
add bridge=bridge comment=defconf interface=ether2
add bridge=bridge comment=defconf interface=ether3
add bridge=bridge comment=defconf interface=ether4
add bridge=bridge comment=defconf interface=ether5
add bridge=bridge comment=defconf interface=ether6
add bridge=bridge comment=defconf interface=ether7
add bridge=bridge comment=defconf interface=ether8
add bridge=bridge comment=defconf interface=sfp1
add bridge=bridge comment=defconf interface=wlan1
/ip neighbor discovery-settings
set discover-interface-list=LAN
/interface l2tp-server server
set allow-fast-path=yes authentication=mschap2 ipsec-secret=\
    SECRET \
    keepalive-timeout=3600 max-mru=1460 max-mtu=1460 use-ipsec=required
/interface list member
add comment=defconf interface=bridge list=LAN
add comment=defconf interface=ether1-gateway list=WAN
/interface sstp-server server
set authentication=mschap2 certificate=SSTP-Server enabled=yes force-aes=yes \
    keepalive-timeout=1800 max-mru=1400 max-mtu=1400 pfs=yes tls-version=\
    only-1.2
/ip address
add address=10.123.100.1/24 comment=defconf interface=bridge network=\
    10.123.100.0
add address=10.123.100.1 interface=Loopback network=10.123.100.1
/ip cloud
set ddns-enabled=yes ddns-update-interval=30m
/ip dhcp-client
add comment=defconf disabled=no interface=ether1-gateway
/ip dhcp-server network
add address=10.123.100.0/24 comment=defconf gateway=10.123.100.1 netmask=24
/ip dns
set allow-remote-requests=yes
/ip dns static
add address=10.123.100.1 comment=defconf name=router.lan
/ip firewall filter
add action=accept chain=input comment=\
    "defconf: accept established,related,untracked" connection-state=\  
    established,related,untracked
add action=drop chain=input comment="defconf: drop invalid" connection-state=\  
    invalid
add action=accept chain=input comment="defconf: accept ICMP" protocol=icmp  
add action=accept chain=input comment="SSTP VPN" dst-port=443 log=yes \  
    protocol=tcp
add action=accept chain=input comment="L2TP IPSec VPN" dst-port=500,1701,4500 \  
    log=yes protocol=udp
add action=accept chain=input comment="L2TP IPSec VPN" log=yes protocol=\  
    ipsec-esp
add chain=input comment="S2SVPN01 ipsec-ike-natt" dst-port=4500 in-interface=\  
    ether1-gateway protocol=udp
add chain=forward comment=S2SVPN01 dst-address=10.123.100.0/24 in-interface=\
    ether1-gateway ipsec-policy=in,ipsec src-address=10.123.110.0/24
add action=accept chain=input comment=\
    "defconf: accept to local loopback (for CAPsMAN)" dst-address=127.0.0.1  
add action=drop chain=input comment="defconf: drop all not coming from LAN" \  
    in-interface-list=!LAN
add action=accept chain=forward comment="defconf: accept in ipsec policy" \  
    ipsec-policy=in,ipsec
add action=accept chain=forward comment="defconf: accept out ipsec policy" \  
    ipsec-policy=out,ipsec
add action=fasttrack-connection chain=forward comment="defconf: fasttrack" \  
    connection-state=established,related
add action=accept chain=forward comment=\
    "defconf: accept established,related, untracked" connection-state=\  
    established,related,untracked
add action=drop chain=forward comment="defconf: drop invalid" \  
    connection-state=invalid
add action=drop chain=forward comment=\
    "defconf: drop all from WAN not DSTNATed" connection-nat-state=!dstnat \  
    connection-state=new in-interface-list=WAN
/ip firewall nat
add action=accept chain=srcnat comment=S2SVPN01 dst-address=10.123.110.0/24 \
    src-address=10.123.100.0/24
add action=accept chain=dstnat comment=S2SVPN01 dst-address=10.123.100.0/24 \
    src-address=10.123.110.0/24
add action=masquerade chain=srcnat comment="defconf: masquerade" \  
    ipsec-policy=out,none out-interface-list=WAN
add action=accept chain=srcnat out-interface-list=WAN src-address=\
    10.123.200.0/24
add action=accept chain=srcnat out-interface-list=WAN src-address=\
    10.123.201.0/24
/ip ipsec identity
add comment=S2SVPN01 peer=S2SVPN01 secret=\
    SECRET
/ip ipsec policy
add comment=S2SVPN01 dst-address=10.123.110.0/24 peer=S2SVPN01 proposal=\
    secure-proposal src-address=10.123.100.0/24 tunnel=yes
/ip service
set winbox address=\
    10.123.100.0/24,10.123.110.0/24,10.123.200.0/24,10.123.201.0/24
/lcd
set backlight-timeout=5m color-scheme=light time-interval=hour
/lcd interface pages
set 0 interfaces=\
    ether1-gateway,ether2,ether3,ether4,ether5,ether6,ether7,ether8,sfp1
/system clock
set time-zone-name=Europe/Berlin
/system identity
set name=MTGO01
/system ntp client
set enabled=yes server-dns-names=1.de.pool.ntp.org,2.de.pool.ntp.org
/system package update
set channel=long-term
/system scheduler
add comment=" " interval=1d name="Reboot Router every day" on-event=\  
    " /system reboot" policy=\  
    ftp,reboot,read,write,policy,test,password,sniff,sensitive,romon \
    start-date=aug/15/2021 start-time=05:00:00
/tool mac-server
set allowed-interface-list=LAN
/tool mac-server mac-winbox
set allowed-interface-list=LAN

# nov/21/2021 17:36:27 by RouterOS 6.48.5
# software id = XLU1-U5A7
#
# model = CRS109-8G-1S-2HnD
# serial number = 00000000
/interface bridge
add name=Loopback protocol-mode=none
add admin-mac=2C:C8:1B:86:A1:EF auto-mac=no comment=defconf name=bridge
/interface wireless
set [ find default-name=wlan1 ] band=2ghz-b/g/n channel-width=20/40mhz-XX \
    country=germany disabled=no distance=indoors frequency=auto installation=\
    indoor mode=ap-bridge ssid=WiFi wireless-protocol=802.11
/interface ethernet
set [ find default-name=ether1 ] name=ether1-gateway
/interface list
add comment=defconf name=WAN
add comment=defconf name=LAN
/interface wireless security-profiles
set [ find default=yes ] authentication-types=wpa-psk,wpa2-psk mode=\
    dynamic-keys supplicant-identity=MikroTik wpa-pre-shared-key=\
    PASSWORD wpa2-pre-shared-key=PASSWORD
/ip ipsec profile
add dh-group=ecp521 enc-algorithm=aes-256,aes-128 hash-algorithm=sha512 name=\
    S2S-Profile
/ip ipsec peer
add address=192.168.240.26/32 comment=S2SVPN01 exchange-mode=ike2 name=\
    S2SVPN01 profile=S2S-Profile
/ip ipsec proposal
add auth-algorithms=sha512 enc-algorithms=aes-256-gcm name=secure-proposal \
    pfs-group=ecp521
/ip pool
add name=dhcp ranges=10.123.110.10-10.123.110.254
/ip dhcp-server
add address-pool=dhcp disabled=no interface=bridge name=defconf
/interface bridge port
add bridge=bridge comment=defconf interface=ether2
add bridge=bridge comment=defconf interface=ether3
add bridge=bridge comment=defconf interface=ether4
add bridge=bridge comment=defconf interface=ether5
add bridge=bridge comment=defconf interface=ether6
add bridge=bridge comment=defconf interface=ether7
add bridge=bridge comment=defconf interface=ether8
add bridge=bridge comment=defconf interface=sfp1
add bridge=bridge comment=defconf interface=wlan1
/ip neighbor discovery-settings
set discover-interface-list=LAN
/interface list member
add comment=defconf interface=bridge list=LAN
add comment=defconf interface=ether1-gateway list=WAN
/ip address
add address=10.123.110.1/24 comment=defconf interface=bridge network=\
    10.123.110.0
add address=10.123.110.1 interface=Loopback network=10.123.110.1
/ip cloud
set ddns-enabled=yes ddns-update-interval=30m
/ip dhcp-client
add comment=defconf disabled=no interface=ether1-gateway
/ip dhcp-server network
add address=10.123.110.0/24 comment=defconf gateway=10.123.110.1 netmask=24
/ip dns
set allow-remote-requests=yes
/ip dns static
add address=10.123.110.1 comment=defconf name=router.lan
/ip firewall filter
add action=accept chain=input comment=\
    "defconf: accept established,related,untracked" connection-state=\  
    established,related,untracked
add action=drop chain=input comment="defconf: drop invalid" connection-state=\  
    invalid
add action=accept chain=input comment="defconf: accept ICMP" protocol=icmp  
add chain=input comment="S2SVPN01 ipsec-ike-natt" dst-port=4500 in-interface=\  
    ether1-gateway protocol=udp
add chain=forward comment=S2SVPN01 dst-address=10.123.110.0/24 in-interface=\
    ether1-gateway ipsec-policy=in,ipsec src-address=10.123.100.0/24
add action=accept chain=input comment=\
    "defconf: accept to local loopback (for CAPsMAN)" dst-address=127.0.0.1  
add action=drop chain=input comment="defconf: drop all not coming from LAN" \  
    in-interface-list=!LAN
add action=accept chain=forward comment="defconf: accept in ipsec policy" \  
    ipsec-policy=in,ipsec
add action=accept chain=forward comment="defconf: accept out ipsec policy" \  
    ipsec-policy=out,ipsec
add action=fasttrack-connection chain=forward comment="defconf: fasttrack" \  
    connection-state=established,related
add action=accept chain=forward comment=\
    "defconf: accept established,related, untracked" connection-state=\  
    established,related,untracked
add action=drop chain=forward comment="defconf: drop invalid" \  
    connection-state=invalid
add action=drop chain=forward comment=\
    "defconf: drop all from WAN not DSTNATed" connection-nat-state=!dstnat \  
    connection-state=new in-interface-list=WAN
/ip firewall nat
add action=accept chain=srcnat comment=S2SVPN01 dst-address=10.123.100.0/24 \
    src-address=10.123.110.0/24
add action=accept chain=dstnat comment=S2SVPN01 dst-address=10.123.110.0/24 \
    src-address=10.123.100.0/24
add action=masquerade chain=srcnat comment="defconf: masquerade" \  
    ipsec-policy=out,none out-interface-list=WAN
/ip ipsec identity
add comment=S2SVPN01 peer=S2SVPN01 secret=\
    SECRET
/ip ipsec policy
add comment=S2SVPN01 dst-address=10.123.100.0/24 peer=S2SVPN01 proposal=\
    secure-proposal src-address=10.123.110.0/24 tunnel=yes
/ip service
set winbox address=\
    10.123.100.0/24,10.123.110.0/24,10.123.200.0/24,10.123.201.0/24
/lcd
set backlight-timeout=5m color-scheme=light time-interval=hour
/lcd interface pages
set 0 interfaces=\
    ether1-gateway,ether2,ether3,ether4,ether5,ether6,ether7,ether8,sfp1
/system clock
set time-zone-name=Europe/Berlin
/system identity
set name=MTBB01
/system ntp client
set enabled=yes server-dns-names=1.de.pool.ntp.org,2.de.pool.ntp.org
/system package update
set channel=long-term
/system scheduler
add comment=" " interval=1d name="Reboot Router every day" on-event=\  
    " /system reboot" policy=\  
    ftp,reboot,read,write,policy,test,password,sniff,sensitive,romon \
    start-date=aug/15/2021 start-time=05:00:00
/tool mac-server
set allowed-interface-list=LAN
/tool mac-server mac-winbox
set allowed-interface-list=LAN