It was expected since the day ASR1000 has been announced. Now it’s a fact – ASR1000 is a grown up platform so Cisco 7200 is going to finish it’s life. If you want it in your network you have less than a year to order it.
Cisco 7200 EoS/EoL
If PPP negotiations fails (ie. due to problems with authentication or lack of account on RADIUS server) session stays in transient state for some time. You can list those session
bras# show pppoe summary
PTA : Locally terminated sessions
FWDED: Forwarded sessions
TRANS: All other sessions (in transient state)
TOTAL PTA FWDED TRANS
TOTAL 5678 5673 0 5
GigabitEthernet1/0/0 3863 3862 0 1
GigabitEthernet1/1/0 1815 1811 0 4
It’s possible to identify MAC address for modems that couldn’t establish sessions
bras# sh pppoe ses | i LCP 3095 28818 000e.5499.722d Gi1/0/0.525 1 N/A LCP 3548 28669 001f.a45c.7a4d Gi1/1/0.527 1 N/A LCP 13370 28817 0013.3319.316d Gi1/1/0.527 1 N/A LCP 6372 28813 0013.3199.751e Gi1/1/0.527 1 N/A LCP 6018 28812 0019.c8a3.3d66 Gi1/1/0.1598 3 N/A LCP