Regarding "f_ether.c: IFQ_SET_MAXLEN(&arpintrq, 50); /* XXX hate magic numbers */"
Is 50 the limitation of logical interface per each physical or is it 50 carp per logic interface? Best regards Johan Ryberg 2012/4/11 Ian Chard <[email protected]>: > On 03/04/12 10:32, Camiel Dobbelaar wrote: >> >> On 3-4-2012 11:13, Ian Chard wrote: >>> >>> I have an OpenBSD box acting as a NATting firewall. It has 59 CARP >>> interfaces defined, all identical apart from the IP address and vhid. At >>> the moment there is no failover pair, so all the interfaces are in >>> MASTER mode. >>> >>> Every so often, one of these interfaces will suddenly stop answering ARP >>> requests. With tcpdump I can see the ARP requests coming in, but they >>> are never answered. ifconfig output for the interface is no different >>> to any of the other CARP instances; most notably, it is still in MASTER >>> mode. I have net.inet.carp.log set to 7, but nothing is logged when >>> this happens: no state changes, no other messages. >>> >>> Recovery is simple: I just 'ifconfig carpxx down; ifconfig carpxx up'. >>> The interface recovers in a second or two. >>> >>> I had this problem with 4.9-stable, and today I migrated the config to a >>> fresh 5.0-stable installation with the same results. >>> >>> Any help much appreciated! >> >> >> I assume all your carp interfaces have the same carpdev (physical >> interface) ? >> >> I suspect you may run into this limit (in sys/netinet): >> if_ether.c: IFQ_SET_MAXLEN(&arpintrq, 50); /* XXX hate >> magic numbers */ >> >> Can you raise that number to 100 and compile a new kernel? > > > I've now had this running since your suggestion, and the problem hasn't come > back. Thanks again! > > > - Ian > > -- > Ian Chard, Systems Architect | E: [email protected] > Bodleian Libraries | T: 80587 / (01865) 280587 > University of Oxford | F: (01865) 242287
