Symptom
If we change access to ADSL the PPP connection comes up for IPv4 but the C1113 does not receives the IPv6 DHCP delegated prefix.
as per a debug platfrom we can see that the packet is dropped
Conditions
as per a debug platfrom we can see that the packet is dropped
rt-lab-c1113-t21#sh platform packet-trace summ
Pkt Input Output State Reason
0 internal0/0/rp:0 EV32 DROP 109 (EssUnsupPktType)
1 internal0/0/rp:0 EV32 DROP 233 (EncapInvalid)
2 internal0/0/rp:0 EV32 DROP 233 (EncapInvalid)
3 internal0/0/rp:0 EV32 DROP 233 (EncapInvalid)
4 internal0/0/rp:0 EV33 DROP 233 (EncapInvalid)
5 internal0/0/rp:0 EV32 DROP 233 (EncapInvalid)
6 internal0/0/rp:0 EV32 DROP 233 (EncapInvalid)
rt-lab-c1113-t21#sh platform packet-trace packet 26
Packet: 26 CBUG ID: 48
Summary
Input : internal0/0/rp:0
Output : EVSI33
State : DROP 233 (EncapInvalid)
Timestamp
Start : 2592283927200 ns (12/06/2023 14:18:27.876729 UTC)
Stop : 2592283975280 ns (12/06/2023 14:18:27.876777 UTC)
Path Trace
Feature: IPV6(Input)
Input : internal0/0/rp:0
Output :
Source : fe80:0000:0000:0000:faa7:3aff:fe5a:fc00
Destination : ff02:0000:0000:0000:0000:0000:0001:0002
Workaround
use vdsl PPPOE , no workaround in PPPOA
Further Problem Description
