Mailing List Archive: [Bug 464] New: filter in netlink wrong (new routes added by command not appearing)

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http://bugzilla.quagga.net/show_bug.cgi?id=464

Summary: filter in netlink wrong (new routes added by command not
appearing)
Product: Quagga
Version: CVS
Platform: All
OS/Version: Linux
Status: UNCONFIRMED
Severity: critical
Priority: High
Component: zebra
AssignedTo: maintainers@quagga.net
ReportedBy: sl@nuclearcat.com

I notice that when i am adding route by command:
ip route add 172.16.117.0/24 via 192.168.20.66
it is not appearing in zebra, and for sure not coming into rip.
After debugging i notice, if i add:
ip route add 172.16.117.0/24 via 192.168.20.66 proto kernel
i will see in log:
Jun 26 23:05:29 10.22.22.3 zebra[2813]: netlink_parse_info: netlink-listen type
RTM_NEWROUTE(24), seq=1214510730, pid=2854
Jun 26 23:05:29 10.22.22.3 zebra[2813]: RTM_NEWROUTE ipv4 unicast proto kernel

after deleting in both situations it is notifying netlink.

If i do:
- netlink_install_filter (netlink.sock);
+ //netlink_install_filter (netlink.sock);

zebra works fine, which i think show, that BPF filters is wrong.
Probably this bug introduced by
http://cvs.quagga.net/cgi-bin/viewcvs.cgi/quagga/zebra/rt_netlink.c.diff?r1=1.46&r2=1.47

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