On 05/19/11 17:41, Tom H wrote: > On Tue, May 17, 2011 at 7:25 AM, JB<jb.1234abcd@xxxxxxxxx> wrote: >> Tom H<tomh0665<at> gmail.com> writes: >>> If you're referring to "192.168.1.254 0:1d:5a:c8:91:c1" as "FROM IPv4 >>> address and TO IPv4 address going out thru IPv6-type interface" then >>> no. "0:1d:5a:c8:91:c1" is the MAC address of "192.168.1.254". > >> No, I was referring to Fedora-to-Powerbook comm, but from the point of view of >> Fedora machine, in that paragraph: >> >> On Fedora Machine: >> # /sbin/ifconfig >> wlan0 Link encap:Ethernet HWaddr 00:34:56:00:03:43 >> inet6 addr: fe80::234:56ff:fe00:343/64 Scope:Link >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> wlan0:0 Link encap:Ethernet HWaddr 00:34:56:00:03:43 >> inet addr:192.168.1.108 Bcast:192.168.1.255 Mask:255.255.255.0 >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> >> For wlan0, this line shows an IPv6 link-local address (valid within the local >> subnetwork !): >> inet6 addr: fe80::234:56ff:fe00:343/64 Scope:Link >> It is UP and RUNNING, and so ready for communication on IPv6 and link layers. > Thanks for pointing to this wlan0/wlan0:0 business. I'd noticed it > earlier, meant to ask about it, and then completely forgot about it. > > To the OP: Do you have a "/etc/sysconfig/network-scripts/ifcfg-wlan0" > and a "/etc/sysconfig/network-scripts/ifcfg-wlan0:0"? What are their > contents? > I have no /etc/sysconfig/network-scripts/ifcfg-wlan0:0 $ cat /etc/sysconfig/network-scripts/ifcfg-wlan0: BOOTPROTO=none DEVICE=wlan0:0 ESSID=Le_Crappie_Router UUID=48a80359-5bb1-ccfe-d847-4b84b5dbea95 IPADDR=192.168.1.108 GATEWAY=192.168.1.254 NETMASK=255.255.255.0 RTS=2346 FRAG=2346 IPV6INIT=no MODE=Managed RATE=auto TYPE=Wireless USERCTL=yes NM_CONTROLLED=no PREFIX=24 ONPARENT=no >> It is a valid IPv6 interface. > It's valid but it isn't routable. It's the equivalent of an ipv4 > 169.254.x.y address. Yes. ifconfig always prints this even when ip6 is disabled. >> The fact that IPv6 layer was disabled on the subnet (as JD clarified it later), >> does not change anything. Once again, the type of configured interface wlan0 >> is of interest to me, that is IPv6-type. > Since wlan0:0 has a ipv6 address, ipv6 must not be disabled. > It really IS disabled. Look at the contents of my ifcfg-wlan0 above. It says IPV6INIT=no >> Because wlan0 (not wlan0:0) does not have an IPv4 address assigned, I became >> suspicious of what that means when wlan0 was utilized in Fedora's routing >> table: >> >> # /bin/netstat -rn >> Kernel IP routing table >> Destination Gateway Genmask Flags MSS Window irtt >> Iface >> ... >> 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 >> wlan0 >> ... >> 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 >> wlan0 > Good point. >> I am still not 100% clear what the implication of it is, so I would welcome >> any authoritative comment(s) on this matter. > Me too. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
