[quagga-dev 16589] Re: Why ospf hello packet without Designated Router and Backup Designated Router?
[email protected] (Lennart Sorensen)
| Newsgroups | gmane.network.quagga.devel,gmane.network.quagga.user |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Mar 23, 2017 at 07:06:11PM +0800, 詹益晨 wrote: > Hi Pual, > The interface is gre tunnel, I print inet_ntoa (DR (oi)), but I saw 0.0.0.0. > > ============================================================= > gretunnel is up > ifindex 13, MTU 1476 bytes, BW 0 Kbit <UP,POINTOPOINT,RUNNING,NOARP> > Internet Address 192.168.3.1/24, Area 0.0.0.0 > MTU mismatch detection:enabled > Router ID 192.168.4.54, Network Type POINTOPOINT, Cost: 10 > Transmit Delay is 1 sec, State Point-To-Point, Priority 1 > No designated router on this network > No backup designated router on this network > Multicast group memberships: OSPFAllRouters > Timer intervals configured, Hello 10s, Dead 40s, Wait 40s, Retransmit 5 > Hello due in 2.224s > Neighbor Count is 1, Adjacent neighbor count is 1 > ============================================================== > > If the network type is POINTOPOINT to cause Designated Router is 0.0.0.0? > How can I do to let it can work and packet with Designated Router IP. By default linux gre tunnels don't do multicast. Something like this could make it do so: ip link set gretunnel multicast on Would have to do that on both ends. To make it permanent would require puttings something in the network interface config to do that. -- Len Sorensen _______________________________________________ Quagga-dev mailing list [email protected] https://lists.quagga.net/mailman/listinfo/quagga-dev