Telstra 4G & IPv6

Brian May brian at linuxpenguins.xyz
Wed Dec 9 09:26:28 AEDT 2015


Hello,

Just wondering if Telstra supports IPv6? It didn't think so, however I
seem to be receiving RA packets on 80% of my connections, which
automatically configures an IPv6 address and route.

The problem with this is that IPv6 packets are getting silently dropped,
so I have to drop the default route in order to force my computer to
websites such as Google using IPv4. Otherwise the connections time out.

If there is someway this could be my fault ... However I can't see
how. Not running radvd locally.


#
# radvd configuration generated by radvdump 1.9.1
# based on Router Advertisement from fe80::100:0:0:0
# received by interface wwan0
#

interface wwan0
{
	AdvSendAdvert on;
	# Note: {Min,Max}RtrAdvInterval cannot be obtained with radvdump
	AdvManagedFlag off;
	AdvOtherConfigFlag off;
	AdvReachableTime 0;
	AdvRetransTimer 0;
	AdvCurHopLimit 64;
	AdvDefaultLifetime 21840;
	AdvHomeAgentFlag off;
	AdvDefaultPreference medium;
	AdvLinkMTU 1500;

	prefix ::/64
	{
		AdvValidLifetime infinity; # (0xffffffff)
		AdvPreferredLifetime infinity; # (0xffffffff)
		AdvOnLink off;
		AdvAutonomous on;
		AdvRouterAddr off;
	}; # End of prefix definition

}; # End of interface definition


% ip -6 addr 
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
177: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1428 qlen 1000
    inet6 ::c1f:e4ff:fef9:6bf8/64 scope global mngtmpaddr dynamic 
       valid_lft forever preferred_lft forever
    inet6 fe80::c1f:e4ff:fef9:6bf8/64 scope link 
       valid_lft forever preferred_lft forever


% ip -6 route
local ::1 dev lo  proto kernel  metric 256 
fe80::/64 dev wwan0  proto kernel  metric 256 
default via fe80::100:0:0:0 dev wwan0  proto ra  metric 1024  expires 21669sec hoplimit 64



-- 
Brian May <brian at linuxpenguins.xyz>
https://linuxpenguins.xyz/brian/


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