PPPoE client with 750G not working . help needed...

RouterOS Beginner Basics
1

Hi,

i am using RB1100 as PPPoE server and authenitation is with my Radius server.

It works well with edimax, ubnt … routers .

when i use RB750G as PPPoE client , i find a problem. i am not able to ping the gateway from 750G router.

when i checked in details i got an IP address from PPPoE server, with a /32

Client router got the Gateway IP address right . but as the IP address is /32 it is not able to reach the Gateway.

what could have gone wrong in my configuration ?.. and how to fix this.

please help.

Biju

2

HI,

sorry. i missed some details in last post.

i get the gateway from PPoE server and i can ping the gateway and all the IPs in the PPPoE server router.

i am unable to ping anything beyond the PPPoE server.

please assist.

Regards,

Biju

3

Wild stab: you are using private IPs and either aren’t NATing when it goes to a public IP network such as your ISP, or you don’t have routes for the client’s IP address throughout your entire network.

I hate guessing. Guessing is a waste of everybody’s time. Post all the relevant configuration together with a network diagram (“/interface print detail”, “/ip address print detail”, “/ip route print detail”, “/interface pppoe-server export”, “/ip pool export”, “/ip firewall export”, and whatever else applies). Also post how you’re testing, what you’re expecting, what you’re seeing instead, and back all of that up with output from your tests.

4

hello sir,

i don't think the configuration is wrong. because i am able to go out with traceroute. it doesn't allopw me to ping. or browse internet.

below output are from my PPPoE client router.

admin@MikroTik] > interface print detail
Flags: D - dynamic, X - disabled, R - running, S - slave
0 R name="ether1" type="ether" mtu=1500 l2mtu=1524 max-l2mtu=1524

1 R name="ether2" type="ether" mtu=1500 l2mtu=1524 max-l2mtu=1524

2 name="ether3" type="ether" mtu=1500 l2mtu=1524 max-l2mtu=1524

3 name="ether4" type="ether" mtu=1500 l2mtu=1524 max-l2mtu=1524

4 name="ether5" type="ether" mtu=1500 l2mtu=1524 max-l2mtu=1524

5 R name="pppoe-out1" type="pppoe-out" mtu=1480
[admin@MikroTik] > ip address print detail
Flags: X - disabled, I - invalid, D - dynamic
0 address=192.168.88.1/29 network=192.168.88.0 interface=ether2
actual-interface=ether2

1 D address=192.168.9.50/32 network=192.168.9.1 interface=pppoe-out1
actual-interface=pppoe-out1
[admin@MikroTik] > ip route print detail
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme,
B - blackhole, U - unreachable, P - prohibit
0 ADS dst-address=0.0.0.0/0 gateway=192.168.9.1
gateway-status=192.168.9.1 reachable pppoe-out1 distance=1 scope=30
target-scope=10

1 ADC dst-address=192.168.9.1/32 pref-src=192.168.9.50 gateway=pppoe-out1
gateway-status=pppoe-out1 reachable distance=0 scope=10

2 ADC dst-address=192.168.88.0/29 pref-src=192.168.88.1 gateway=ether2
gateway-status=ether2 reachable distance=0 scope=10
[admin@MikroTik] > ip firewall export

jan/02/1970 00:04:52 by RouterOS 5.6

software id = LWFW-ZYM2

/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 disabled=no out-interface=ether1
/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 sip-direct-media=yes
set pptp disabled=no
[admin@MikroTik] >
[admin@MikroTik] > ping yahoo.com src-address=192.168.88.1
HOST SIZE TTL TIME STATUS


98.137.149.56 timeout


98.137.149.56 timeout


98.137.149.56 timeout


sent=3 received=0 packet-loss=100%

[admin@MikroTik] > ping yahoo.com src-address=192.168.9.50
HOST SIZE TTL TIME STATUS


72.30.2.43 56 49 361ms
72.30.2.43 56 49 370ms
72.30.2.43 56 48 352ms
72.30.2.43 56 48 356ms
sent=4 received=4 packet-loss=0% min-rtt=352ms avg-rtt=359ms max-rtt=370ms
[admin@MikroTik] > tool traceroute yahoo.com src-address=192.168.88.1

ADDRESS RT1 RT2 RT3 STATUS

1 192.168.9.1 1ms 1ms 1ms
2 192.168.4.57 1ms 1ms 1ms
3 192.168.4.4 3ms 3ms 4ms
4 41.76.90.53 3ms 3ms 3ms
5 41.76.88.37 4ms 5ms 4ms
6 84.233.153.9 192ms 192ms 192ms
7 84.233.218.165 259ms 262ms 259ms MPLS:L=552512,E=0
8 212.23.43.133 261ms 260ms 282ms MPLS:L=36,E=0
9 212.23.43.130 259ms 260ms 260ms
10 198.32.160.121 261ms 379ms 261ms
11 216.115.104.114 268ms 266ms 267ms MPLS:L=634370,E=0
12 216.115.101.155 317ms 316ms 325ms

as it can go out to internet , it is pretty sure problem is not with NAT or teh configuration issue from the PPPoE server router. i am able to use other routers as PPPoE client. i am facing problem with mikrotik ( i have tested only 750G )

i will send you teh PPPoE server confioguration soon.

please let me know if you find any problem in the client router configuration

Regards,

Biju

5 
/ip firewall nat
add action=masquerade chain=srcnat disabled=no out-interface=ether1

Change the out-interface on that rule to pppoe-out1 instead of ether1.

6

Thanks .

that worked

:slight_smile:

Regards,

biju