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Cisco Bug: CSCun56516 - SCH3 IPv6 LQ hardening: unexpected LQ send out with pd-route configured

Last Modified

Feb 08, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases


Description (partial)

unexpected LQ send out with pd-route configured

1) create 3 sub-bundle: 10.1(vrf mgt) 10.10 (vrf a) 10.20 (vrf b)
2) configure pd-route point to another bundle 20
3) disable ipv6 lq under bundle10.20 ("no cable nd" and "no cable ipv6 source-verify dhcp"
4) clear an ipv6 cpe under bundle10.20 and ping it, will find LQ be triggered and cpe recover.
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