I have MoBo (Supermicro X9SCL-F) with two 1G NICs, first one (em0) is based on 82579LM, and second one (em1) is based on 82574L.
When I'm using em0 with simple config: ifconfig_em0="inet 192.168.134.2 netmask 255.255.255.0 mtu 9000" ifconfig_em0_ipv6="inet6 accept_rtadv" everything works fine - em0 get IPv6 prefix from rtadvd of my router and "tspdump -n -i em0 icmp6" shows some traffic, like router and prefix announcements. So far so good. I want to use em1 (and don't use em0 at all), because 82579LM has some known bugs according to SuperMicro support and someties hangs whole system. So, I change config to ifconfig_em1="inet 192.168.134.2 netmask 255.255.255.0 mtu 9000" ifconfig_em1_ipv6="inet6 accept_rtadv" connect em1 instead of em0 to the switch and reboot. And after that interface (em1) can not get IPv6 prefix, don't get global address (and shows only link-local one)and "tcpdump -n -i em1 icmp6" shows nothing at all! IPv4 works fine, though. What do I do wrong? Is it known issue of 82574L? I'm running 10-STABLE r311462. -- // Lev Serebryakov AKA Black Lion
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