Please guys,
I configure my router RB750G with pptp for external access my internal network.
The follow step by step mikrotik wiki:
http://wiki.mikrotik.com/wiki/Manual:Interface/PPTP - Connecting Remote Client.
But was, not ping my devices in internal network. Why??
# jan/02/1970 06:24:30 by RouterOS 4.17
# software id = IH3Y-WED2
#
/interface bridge
add admin-mac=00:00:00:00:00:00 ageing-time=5m arp=proxy-arp auto-mac=yes \
comment="" disabled=no forward-delay=15s l2mtu=1524 max-message-age=20s \
mtu=1500 name=RedeInterna priority=0x8000 protocol-mode=none \
transmit-hold-count=6
add admin-mac=00:00:00:00:00:00 ageing-time=5m arp=enabled auto-mac=yes \
comment="" disabled=no forward-delay=15s l2mtu=1524 max-message-age=20s \
mtu=1500 name=RedeExterna priority=0x8000 protocol-mode=none \
transmit-hold-count=6
/interface ethernet
set 0 arp=enabled auto-negotiation=yes bandwidth=unlimited/unlimited comment=\
"" disabled=no full-duplex=yes l2mtu=1524 mac-address=00:0C:42:AE:16:4F \
master-port=none mtu=1500 name=ether1 speed=100Mbps
set 1 arp=enabled auto-negotiation=yes bandwidth=unlimited/unlimited comment=\
"" disabled=no full-duplex=yes l2mtu=1524 mac-address=00:0C:42:AE:16:50 \
master-port=none mtu=1500 name=ether2 speed=100Mbps
set 2 arp=enabled auto-negotiation=yes bandwidth=unlimited/unlimited comment=\
"" disabled=no full-duplex=yes l2mtu=1524 mac-address=00:0C:42:AE:16:51 \
master-port=none mtu=1500 name=ether3 speed=100Mbps
set 3 arp=enabled auto-negotiation=yes bandwidth=unlimited/unlimited comment=\
"" disabled=no full-duplex=yes l2mtu=1524 mac-address=00:0C:42:AE:16:52 \
master-port=none mtu=1500 name=ether4 speed=100Mbps
set 4 arp=proxy-arp auto-negotiation=yes bandwidth=unlimited/unlimited \
comment="" disabled=no full-duplex=yes l2mtu=1524 mac-address=\
00:0C:42:AE:16:53 master-port=none mtu=1500 name=ether5 speed=100Mbps
/interface ethernet switch
set switch1 mirror-source=none mirror-target=none name=switch1
/interface wireless security-profiles
set default authentication-types="" eap-methods=passthrough group-ciphers="" \
group-key-update=5m interim-update=0s management-protection=disabled \
management-protection-key="" mode=none name=default \
radius-eap-accounting=no radius-mac-accounting=no \
radius-mac-authentication=no radius-mac-caching=disabled \
radius-mac-format=XX:XX:XX:XX:XX:XX radius-mac-mode=as-username \
static-algo-0=none static-algo-1=none static-algo-2=none static-algo-3=\
none static-key-0="" static-key-1="" static-key-2="" static-key-3="" \
static-sta-private-algo=none static-sta-private-key="" \
static-transmit-key=key-0 supplicant-identity="Router Sao Roque" \
tls-certificate=none tls-mode=no-certificates unicast-ciphers="" \
wpa-pre-shared-key="" wpa2-pre-shared-key=""
/ip hotspot profile
set default dns-name="" hotspot-address=0.0.0.0 html-directory=hotspot \
http-cookie-lifetime=3d http-proxy=0.0.0.0:0 login-by=cookie,http-chap \
name=default rate-limit="" smtp-server=0.0.0.0 split-user-domain=no \
use-radius=no
/ip hotspot user profile
set default idle-timeout=none keepalive-timeout=2m name=default shared-users=\
1 status-autorefresh=1m transparent-proxy=no
/ip ipsec proposal
set default auth-algorithms=sha1 comment="" disabled=no enc-algorithms=3des \
lifetime=30m name=default pfs-group=modp1024
/ip pool
add name=Rede1 ranges=192.168.10.10-192.168.10.255
add name=Rede2 ranges=192.168.11.10-192.168.11.255
add name=pptp ranges=192.168.30.200-192.168.30.229
/ppp profile
set default change-tcp-mss=yes comment="" dns-server=\
200.175.5.139,200.175.89.139 local-address=Rede1 name=default only-one=\
default remote-address=Rede2 use-compression=default use-encryption=\
default use-vj-compression=default
set default-encryption change-tcp-mss=yes comment="" name=default-encryption \
only-one=default use-compression=default use-encryption=yes \
use-vj-compression=default
/queue type
set default kind=pfifo name=default pfifo-limit=50
set ethernet-default kind=pfifo name=ethernet-default pfifo-limit=50
set wireless-default kind=sfq name=wireless-default sfq-allot=1514 \
sfq-perturb=5
set synchronous-default kind=red name=synchronous-default red-avg-packet=1000 \
red-burst=20 red-limit=60 red-max-threshold=50 red-min-threshold=10
set hotspot-default kind=sfq name=hotspot-default sfq-allot=1514 sfq-perturb=\
5
set default-small kind=pfifo name=default-small pfifo-limit=10
/routing bgp instance
set default as=65530 client-to-client-reflection=yes comment="" disabled=no \
ignore-as-path-len=no name=default out-filter="" redistribute-connected=\
no redistribute-ospf=no redistribute-other-bgp=no redistribute-rip=no \
redistribute-static=no router-id=0.0.0.0 routing-table=""
/routing ospf instance
set default comment="" disabled=no distribute-default=never in-filter=ospf-in \
metric-bgp=auto metric-connected=20 metric-default=1 metric-other-ospf=\
auto metric-rip=20 metric-static=20 name=default out-filter=ospf-out \
redistribute-bgp=no redistribute-connected=no redistribute-other-ospf=no \
redistribute-rip=no redistribute-static=no router-id=0.0.0.0
/routing ospf area
set backbone area-id=0.0.0.0 comment="" disabled=no instance=default name=\
backbone type=default
/routing ospf-v3 instance
set default comment="" disabled=no distribute-default=never metric-bgp=auto \
metric-connected=20 metric-default=1 metric-other-ospf=auto metric-rip=20 \
metric-static=20 name=default redistribute-bgp=no redistribute-connected=\
no redistribute-other-ospf=no redistribute-rip=no redistribute-static=no \
router-id=0.0.0.0
/routing ospf-v3 area
set backbone area-id=0.0.0.0 comment="" disabled=no instance=default name=\
backbone type=default
/snmp
set contact="" enabled=no engine-boots=0 engine-id="" location="" \
time-window=15 trap-sink=0.0.0.0 trap-version=1
/snmp community
set public address=0.0.0.0/0 authentication-password="" \
authentication-protocol=MD5 encryption-password="" encryption-protocol=\
DES name=public read-access=yes security=none write-access=no
/system logging action
set memory memory-lines=100 memory-stop-on-full=no name=memory target=memory
set disk disk-file-count=2 disk-file-name=log disk-lines-per-file=100 \
disk-stop-on-full=no name=disk target=disk
set echo name=echo remember=yes target=echo
set remote bsd-syslog=no name=remote remote=0.0.0.0:514 src-address=0.0.0.0 \
syslog-facility=daemon syslog-severity=auto target=remote
/system routerboard settings
set boot-device=nand-if-fail-then-ethernet boot-protocol=bootp cpu-frequency=\
680MHz force-backup-booter=no silent-boot=no
set boot-device=nand-if-fail-then-ethernet boot-protocol=bootp cpu-frequency=\
680MHz force-backup-booter=no silent-boot=no
/user group
add comment="" name=read policy="local,telnet,ssh,reboot,read,test,winbox,pass\
word,web,sniff,sensitive,!ftp,!write,!policy"
add comment="" name=write policy="local,telnet,ssh,reboot,read,write,test,winb\
ox,password,web,sniff,sensitive,!ftp,!policy"
add comment="" name=full policy="local,telnet,ssh,ftp,reboot,read,write,policy\
,test,winbox,password,web,sniff,sensitive"
/interface bridge port
add bridge=RedeInterna comment="" disabled=no edge=auto external-fdb=auto \
horizon=none interface=ether5 path-cost=10 point-to-point=auto priority=\
0x80
add bridge=RedeExterna comment="" disabled=no edge=auto external-fdb=auto \
horizon=none interface=ether1 path-cost=10 point-to-point=auto priority=\
0x80
add bridge=RedeExterna comment="" disabled=no edge=auto external-fdb=auto \
horizon=none interface=ether2 path-cost=10 point-to-point=auto priority=\
0x80
add bridge=RedeExterna comment="" disabled=no edge=auto external-fdb=auto \
horizon=none interface=ether3 path-cost=10 point-to-point=auto priority=\
0x80
add bridge=RedeExterna comment="" disabled=no edge=auto external-fdb=auto \
horizon=none interface=ether4 path-cost=10 point-to-point=auto priority=\
0x80
/interface bridge settings
set use-ip-firewall=no use-ip-firewall-for-pppoe=no use-ip-firewall-for-vlan=\
no
/interface ethernet switch port
set (unknown) vlan-header=leave-as-is vlan-mode=fallback
set (unknown) vlan-header=leave-as-is vlan-mode=fallback
set (unknown) vlan-header=leave-as-is vlan-mode=fallback
set (unknown) vlan-header=leave-as-is vlan-mode=fallback
set (unknown) vlan-header=leave-as-is vlan-mode=fallback
/interface l2tp-server server
set authentication=pap,chap,mschap1,mschap2 default-profile=default enabled=\
no max-mru=1460 max-mtu=1460 mrru=disabled
/interface ovpn-server server
set auth=sha1,md5 certificate=none cipher=blowfish128,aes128 default-profile=\
default enabled=no keepalive-timeout=60 mac-address=FE:D0:92:B2:C0:3B \
max-mtu=1500 mode=ip netmask=24 port=1194 require-client-certificate=no
/interface pppoe-server server
add authentication=pap,chap,mschap1,mschap2 default-profile=default disabled=\
no interface=RedeInterna keepalive-timeout=10 max-mru=1480 max-mtu=1480 \
max-sessions=0 mrru=disabled one-session-per-host=no service-name=""
/interface pptp-server server
set authentication=mschap1,mschap2 default-profile=default-encryption \
enabled=yes keepalive-timeout=30 max-mru=1460 max-mtu=1460 mrru=disabled
/interface wireless align
set active-mode=yes audio-max=-20 audio-min=-100 audio-monitor=\
00:00:00:00:00:00 filter-mac=00:00:00:00:00:00 frame-size=300 \
frames-per-second=25 receive-all=no ssid-all=no
/interface wireless sniffer
set channel-time=200ms file-limit=10 file-name="" memory-limit=10 \
multiple-channels=no only-headers=no receive-errors=no streaming-enabled=\
no streaming-max-rate=0 streaming-server=0.0.0.0
/interface wireless snooper
set channel-time=200ms multiple-channels=yes receive-errors=no
/ip accounting
set account-local-traffic=no enabled=no threshold=256
/ip accounting web-access
set accessible-via-web=no address=0.0.0.0/0
/ip address
add address=187.115.156.140/27 broadcast=187.115.156.159 comment="" disabled=\
no interface=RedeExterna network=187.115.156.128
add address=192.168.0.1/24 broadcast=192.168.0.255 comment="" disabled=no \
interface=RedeInterna network=192.168.0.0
/ip dhcp-server config
set store-leases-disk=5m
/ip dns
set allow-remote-requests=yes cache-max-ttl=1w cache-size=2048KiB \
max-udp-packet-size=512 servers=200.175.5.139,200.175.89.139
/ip firewall connection tracking
set enabled=yes generic-timeout=10m icmp-timeout=10s tcp-close-timeout=10s \
tcp-close-wait-timeout=10s tcp-established-timeout=1d \
tcp-fin-wait-timeout=10s tcp-last-ack-timeout=10s \
tcp-syn-received-timeout=5s tcp-syn-sent-timeout=5s tcp-syncookie=no \
tcp-time-wait-timeout=10s udp-stream-timeout=3m udp-timeout=10s
/ip firewall nat
add action=masquerade chain=srcnat comment="" disabled=no out-interface=\
RedeExterna
/ip firewall service-port
set ftp disabled=no ports=21
set tftp disabled=no ports=69
set irc disabled=no ports=6667
set h323 disabled=no
set sip disabled=no ports=5060,5061
set pptp disabled=no
/ip hotspot service-port
set ftp disabled=no ports=21
/ip neighbor discovery
set ether1 discover=no
set ether2 discover=no
set ether3 discover=no
set ether4 discover=no
set ether5 discover=no
set RedeInterna discover=yes
set RedeExterna discover=no
/ip proxy
set always-from-cache=no cache-administrator=webmaster cache-hit-dscp=4 \
cache-on-disk=no enabled=no max-cache-size=none max-client-connections=\
600 max-fresh-time=3d max-server-connections=600 parent-proxy=0.0.0.0 \
parent-proxy-port=0 port=8080 serialize-connections=no src-address=\
0.0.0.0
/ip route
add comment="" disabled=no distance=1 dst-address=0.0.0.0/0 gateway=\
187.115.156.129 scope=30 target-scope=10
/ip service
set telnet address=0.0.0.0/0 disabled=no port=23
set ftp address=0.0.0.0/0 disabled=no port=21
set www address=0.0.0.0/0 disabled=no port=80
set ssh address=0.0.0.0/0 disabled=no port=22
set www-ssl address=0.0.0.0/0 certificate=none disabled=yes port=443
set api address=0.0.0.0/0 disabled=yes port=8728
set winbox address=0.0.0.0/0 disabled=no port=8291
/ip socks
set connection-idle-timeout=2m enabled=no max-connections=200 port=1080
/ip traffic-flow
set active-flow-timeout=30m cache-entries=4k enabled=no \
inactive-flow-timeout=15s interfaces=all
/ip upnp
set allow-disable-external-interface=yes enabled=no show-dummy-rule=yes
/ipv6 nd
add advertise-dns=no advertise-mac-address=yes disabled=no hop-limit=\
unspecified interface=all managed-address-configuration=no mtu=\
unspecified other-configuration=no ra-delay=3s ra-interval=3m20s-10m \
ra-lifetime=30m reachable-time=unspecified retransmit-interval=\
unspecified
/ipv6 nd prefix default
set autonomous=yes preferred-lifetime=1w valid-lifetime=4w2d
/mpls
set dynamic-label-range=16-1048575 propagate-ttl=yes
/mpls interface
add comment="" disabled=no interface=all mpls-mtu=1508
/mpls ldp
set distribute-for-default-route=no enabled=no hop-limit=255 loop-detect=no \
lsr-id=0.0.0.0 path-vector-limit=255 transport-address=0.0.0.0 \
use-explicit-null=no
/ppp aaa
set accounting=yes interim-update=0s use-radius=yes
/ppp secret
add caller-id="" comment="" disabled=no limit-bytes-in=0 limit-bytes-out=0 \
name=Admin password=123 profile=default routes="" service=any
add caller-id="" comment="" disabled=no limit-bytes-in=0 limit-bytes-out=0 \
local-address=192.168.0.1 name=ppp1 password=123 profile=\
default-encryption remote-address=192.168.0.56 routes="" service=pptp
/queue interface
set ether1 queue=ethernet-default
set ether2 queue=ethernet-default
set ether3 queue=ethernet-default
set ether4 queue=ethernet-default
set ether5 queue=ethernet-default
set RedeInterna queue=default
set RedeExterna queue=default
/radius
add accounting-backup=no accounting-port=1813 address=187.115.156.131 \
authentication-port=1812 called-id="" comment="" disabled=yes domain="" \
realm="" secret=123456 service=ppp timeout=300ms
/radius incoming
set accept=no port=3799
/routing bfd interface
set all comment="" disabled=no interface=all interval=0.2sec min-rx=0.2sec \
multiplier=5
/routing igmp-proxy
set query-interval=2m5s query-response-interval=10s quick-leave=no
/routing mme
set bidirectional-timeout=2 gateway-class=none gateway-keepalive=1m \
gateway-selection=no-gateway origination-interval=5s preferred-gateway=\
0.0.0.0 timeout=1m ttl=50
/routing pim
set switch-to-spt=yes switch-to-spt-bytes=0 switch-to-spt-interval=1m40s
/routing rip
set distribute-default=never garbage-timer=2m metric-bgp=1 metric-connected=1 \
metric-default=1 metric-ospf=1 metric-static=1 redistribute-bgp=no \
redistribute-connected=no redistribute-ospf=no redistribute-static=no \
routing-table=main timeout-timer=3m update-timer=30s
/routing ripng
set distribute-default=never garbage-timer=2m metric-bgp=1 metric-connected=1 \
metric-default=1 metric-ospf=1 metric-static=1 redistribute-bgp=no \
redistribute-connected=no redistribute-ospf=no redistribute-static=no \
timeout-timer=3m update-timer=30s
/store
add comment="" disabled=no disk=system name=user-manager1 type=user-manager
add comment="" disabled=no disk=system name=web-proxy1 type=web-proxy
/system clock
set time-zone-name=manual
/system clock manual
set dst-delta=+00:00 dst-end="jan/01/1970 00:00:00" dst-start=\
"jan/01/1970 00:00:00" time-zone=+00:00
/system console
add disabled=no term=vt102
/system gps
set channel=0 enabled=no set-system-time=no
/system health
set
/system identity
set name="Router Sao Roque"
/system logging
add action=memory disabled=no prefix="" topics=info
add action=memory disabled=no prefix="" topics=error
add action=memory disabled=no prefix="" topics=warning
add action=echo disabled=no prefix="" topics=critical
/system note
set note="" show-at-login=yes
/system ntp client
set enabled=no mode=unicast primary-ntp=0.0.0.0 secondary-ntp=0.0.0.0
/system ntp server
set broadcast=no enabled=no manycast=yes multicast=no
/system upgrade mirror
set check-interval=1d enabled=no primary-server=0.0.0.0 secondary-server=\
0.0.0.0 user=""
/system watchdog
set auto-send-supout=no automatic-supout=yes no-ping-delay=5m watch-address=\
none watchdog-timer=yes
/tool bandwidth-server
set allocate-udp-ports-from=2000 authenticate=yes enabled=yes max-sessions=\
100
/tool e-mail
set from=<> password="" server=0.0.0.0:25 username=""
/tool graphing
set page-refresh=300 store-every=5min
/tool mac-server
add disabled=no interface=all
/tool mac-server ping
set enabled=yes
/tool sms
set allowed-number="" channel=0 keep-max-sms=0 receive-enabled=no secret=""
/tool sniffer
set file-limit=10 file-name="" filter-address1=0.0.0.0/0:0-65535 \
filter-address2=0.0.0.0/0:0-65535 filter-protocol=ip-only filter-stream=\
yes interface=all memory-limit=10 memory-scroll=no only-headers=no \
streaming-enabled=no streaming-server=0.0.0.0
/tool user-manager customer
add backup-allowed=yes comment="" disabled=no login=admin parent=admin \
password="" paypal-accept-pending=no paypal-allowed=no \
paypal-secure-response=no permissions=owner signup-allowed=no time-zone=\
-00:00
/user aaa
set accounting=yes default-group=read interim-update=0s use-radius=no