Hi Lukasz, IMHO it's a software bug in Layer 2 address learning daemon. You should send collected core dump file to JTAC, for further analysis.
Regards, Wojciech Janiszewski 2013/10/21 Lukasz Trabinski <[email protected]> > Hi > > Strange situation on MX960 (Junos 10.4S12) with following scenario: > > About 250 customers with static mac addresses and no-mac-learning options > putted into > > routing-instances XXX bridge-domains XXX > > with following configuration: > > interface xe-xx/x/x.xxx { > interface-mac-limit { > 1; > packet-action drop; > } > static-mac xx:xx:xx:xx:xx:x; > no-mac-learning; > > > After flap (up/down) of the 10Gbit/s port > > we got: > > Oct 17 09:43:55 xx-xx_re0 fpc0 ICHIP(0)_REG_ERR:5 Wi seg ucode discards > in fabric stream 40 pfe_id 20" > > and some traffic to some random ports was dropped. > > After that, we decided to deactivate and activate some static mac address > and no-mac-learning > > deactivate routing-instances XXX bridge-domains XXX bridge-options > interface aex.xx static-mac xx:xx:xx:xx:xx:x > > commit > > activate routing-instances XXX bridge-domains XXX bridge-options > interface aex.xx static-mac xx:xx:xx:xx:xx:x > > commit > > After last commit, we got message from syslog: > > xx-xx_re0 l2ald[86898]: ../../../../src/junos/usr.** > sbin/l2ald/l2ald_mlrn_ifbd.h:**175: insist 'lib_ifbd->ifbd_curr_num_macs > >= adjust_count' failed > > > and core files was dumped into /var/tmp/ > > > Solution of this problems was: > > deactivate routing-instances XXX bridge-domains XX bridge-options > commit > activate routing-instances XXX bridge-domains XX bridge-options > commit > > Question is, is that software or hardware bug? Why flap of one TenGig port > caused problem with traffic beetween other ports? > > > > Lukasz > ______________________________**_________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/**mailman/listinfo/juniper-nsp<https://puck.nether.net/mailman/listinfo/juniper-nsp> > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

