illcritikz at gmail
Nov 7, 2009, 12:13 AM
Post #2 of 2
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The "fix" is to clear ipv6 dhcp client Dialer123
I use event manager to do this automagically for me like so:
event manager applet monitor_ipv6_dhcp
event syslog pattern "DIALER-6-BIND"
action 1.0 cli command "clear ipv6 dhcp client Dialer1"
This reacts to an event in the log of "DIALER-6-BIND" which for me is my
Dialer re-establishing its PPP session, do a clear int d123 and check your
logs to verify this for you.
You can view the results of event manager by:
router#sh event manager history events
No. Time of Event Event Type Name
1 Sat Nov 7 11:12:56 2009 syslog applet: monitor_ipv6_dhcp
and of course a sh ipv6 dhcp interface d123 will show you your new lease
aswell.
Cheers,
Ben
On Sat, Nov 7, 2009 at 7:03 AM, vikas hazrati
<vikas.hazrati [at] googlemail>wrote:
> Hello all
>
> I have been trying testing DHCP-PD functionality for ADSL / PPPoE users.
> Using basic cisco-site examples I was
> able to assign an IPv6 prefix to the CPE. The problem I am facing is the
> following:
>
> When the PPPoE session is torn down, the corresponding Virtual-Access
> interface (and ipv6 routes) are deleted from
> the NAS as expected, but in the CPE the DHCP-client remains up. So when the
> PPPoE session is restablished no
> new routes are installed in the NAS routing table for the DHCP delegated
> prefixes, so no traffic can be forwarded to the
> customer subnet.
>
> The question is how can I make sure that in a DHCP-PD environment, the DHCP
> client of the CPE is reinitialized
> when the PPPoE session used for internet connectivity is re-established
>
> The config used on the CPE side is really simple
>
> interface Dialer 123
> encapsulation ppp
> dialer pool 123
> ipv6 address autoconfig default
> ipv6 enable
> ipv6 dhcp client pd DHCP_PD
> ppp pap sent-username **** password 0 ****
>
>
> Any help is welcomed
> _______________________________________________
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>
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