On Fri, 2014-11-07 at 12:16 +0100, Ondrej Zajicek wrote:
> On Fri, Nov 07, 2014 at 11:06:46AM +0100, Gustavo Ponza wrote:
> > :
> > >>On the 'ppp' type link from my linux machine to a Mikrotik router
> > >>there are only HELLO signal from both sides and no exchange
> > >>of routes, as shown below.
> > >Which one in the dump is BIRD and which is Mikrotik?
> >
> > The BIRD router ID is 10.58.2.10 in 'bird.conf' and the
> > Mikrotik local address is 10.58.2.3, being the LAN 10.58.2.2/28
> >
> > >With the old BIRD the link to Mikrotik was established?
> >
> > This is the first time I install a PPTP Server (version pptpd-1.4.0)
> > on the linux machine and use the Mikrotik as a Client, so no other
> > experience.
>
> This seems that Mikrotik uses 'broadcast' mode for the ppp1, while
> BIRD uses 'ptp' mode. Try to configure Mikrotik to use ptp mode.
> And for some reason it ignores the Hellos from BIRD, perhaps it is
> because of different modes. You could also check whether
> ppp counterpart on Mikrotik uses reverse addresses (10.58.2.3
> and ptp 44.208.58.1) than ppp1 on Linux.
>
Yes, yes, yes! Found on the OSPF interface of Mikrotik the
'Network Type: broadcast' and so changed to 'point to point'
the OSPF started on both sides :)
-----------
root@ir0rm-7:/home/i0ojj# tcpdump -i ppp1 -vv
tcpdump: listening on ppp1, link-type LINUX_SLL (Linux cooked), capture
size 96 bytes
13:57:30.411527 IP (tos 0xc0, ttl 1, id 44090, offset 0, flags [none],
proto OSPF (89), length 80)
10.58.2.3 > ospf-all.mcast.net: OSPFv2, LS-Update, length 60
Router-ID i0ojj.ampr.org, Area 0.0.0.254, Authentication Type: none
(0), 1 LSA
LSA #1
Advertising Router 10.26.243.2, seq 0x800001c1, age 3s, length 12
Network LSA (2), LSA-ID: 10.26.241.93
Options: [External]
Mask 255.255.255.252
Connected Routers:
10.26.243.2 [|ospf2]
13:57:31.530529 IP (tos 0xc0, ttl 1, id 44092, offset 0, flags [none],
proto OSPF (89), length 96)
10.58.2.3 > ospf-all.mcast.net: OSPFv2, LS-Update, length 76
Router-ID i0ojj.ampr.org, Area 0.0.0.254, Authentication Type: none
(0), 1 LSA
LSA #1
Advertising Router 10.26.243.17, seq 0x8000d907, age 4s, length 28
Router LSA (1), LSA-ID: 10.26.243.17
Options: [External]
Router LSA Options: [ASBR] [|ospf2]
13:57:32.531673 IP (tos 0xc0, ttl 1, id 6842, offset 0, flags [none],
proto OSPF (89), length 84)
i0ojj.cisarnet.ampr.org > 10.58.2.3: OSPFv2, LS-Ack, length 64
Router-ID 10.58.2.10, Area 0.0.0.254, Authentication Type: none (0)
Advertising Router 10.26.243.2, seq 0x800001c1, age 3s, length 12
Network LSA (2), LSA-ID: 10.26.241.93
Options: [External]
13:57:34.533933 IP (tos 0xc0, ttl 1, id 13398, offset 0, flags [none],
proto OSPF (89), length 68)
i0ojj.cisarnet.ampr.org > ospf-all.mcast.net: OSPFv2, Hello, length
48
Router-ID 10.58.2.10, Area 0.0.0.254, Authentication Type: none (0)
Options [External]
Hello Timer 10s, Dead Timer 40s, Mask 0.0.0.0, Priority 1
Neighbor List:
i0ojj.ampr.org
13:57:37.952527 IP (tos 0xc0, ttl 1, id 44095, offset 0, flags [none],
proto OSPF (89), length 68)
10.58.2.3 > ospf-all.mcast.net: OSPFv2, Hello, length 48
Router-ID i0ojj.ampr.org, Area 0.0.0.254, Authentication Type: none (0)
Options [External]
Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.255, Priority 1
Neighbor List:
10.58.2.10
13:57:43.959050 IP (tos 0xc0, ttl 1, id 13399, offset 0, flags [none],
proto OSPF (89), length 68)
i0ojj.cisarnet.ampr.org > ospf-all.mcast.net: OSPFv2, Hello, length
48
Router-ID 10.58.2.10, Area 0.0.0.254, Authentication Type: none (0)
Options [External]
Hello Timer 10s, Dead Timer 40s, Mask 0.0.0.0, Priority 1
Neighbor List:
i0ojj.ampr.org
^C
6 packets captured
6 packets received by filter
0 packets dropped by kernel
root@ir0rm-7:/home/i0ojj#
---------------
The addresses situation as reported by Mikrotik is the following:
gus
