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Re: Not getting IPv6 link local address when link carrier goes up -> down -> up

Floris Bos

Sun Oct 20 14:40:58 2019
On 10/20/19 2:59 PM, Roy Marples wrote:

On 20/10/2019 12:26, Floris Bos wrote:

When running your command:


OK, try the same command but remove the sleep statement.
That should really hammer it.



Even without sleep I do get an IPv6 address when running those commands.
Guess the delay the shell causes between the two commands is still great enough. 


Long list of entries like:


==

Oct 20 15:36:36 raspberrypi dhcpcd[396]: usb0: carrier lost
Oct 20 15:36:36 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 15:36:36 raspberrypi dhcpcd[396]: usb0: deleting IP address 169.254.140.228/16 Oct 20 15:36:36 raspberrypi dhcpcd[396]: usb0: deleting route to 169.254.0.0/16 Oct 20 15:36:36 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' IPV4LL Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: pltime infinity, vltime infinity Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.9 seconds 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.8 seconds
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier lost
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: deleting address fe80::62c8:16be:6909:4f84 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: pltime infinity, vltime infinity Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.6 seconds 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.5 seconds
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier lost
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: deleting address fe80::62c8:16be:6909:4f84 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: pltime infinity, vltime infinity Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.5 seconds 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.4 seconds
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier lost
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: deleting address fe80::62c8:16be:6909:4f84 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: pltime infinity, vltime infinity Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.4 seconds 
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.9 seconds
Oct 20 15:36:37 raspberrypi dhcpcd[396]: usb0: carrier lost
==
And eventually I also get "route socket overflowed - learning interface state" lines in between once in a while, but the rest of log is the same. 



Yours sincerely,


Floris Bos
References:
Not getting IPv6 link local address when link carrier goes up -> down -> upFloris Bos
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upFloris Bos
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upFloris Bos
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
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