Symptom
Router crash and there is a core file generated on bootflash:/core/
Conditions
1. With dialer profile pool configured, the encapsulation of dialer interface is ppp, mlppp is aslo enabled.
2. Send IMIX traffic to trigger ISDN call, traffic rate is 1M bps.
3. There are more than 1 B-channels are bound to VA interface, in my test, there are 6 B-channels.
4. Then remove the pool member configuration, i.e. execute 'no dialer pool-member 101' on interface dialer interface. Router crash observed in this step.
Workaround
There is no workarounds for this issue. This issue is fixed in releases after 16.7.1 (inludes 16.7.1 16.7.1a 16.7.1b 16.7.2 16.7.3 16.7.4 16.8.1 16.8.1a 16.8.1b 16.8.1c 16.8.1d 16.8.1e 16.8.1s 16.8.2 16.8.3 16.9.1 16.9.1a 16.9.1b 16.9.1c 16.9.1d 16.9.1s 16.9.2 16.9.2a 16.9.2s 16.9.3 16.9.3a 16.9.3h 16.9.3s 16.9.4, 16.10.1 16.10.1a 16.10.1b 16.10.1c 16.10.1d 16.10.1e 16.10.1f 16.10.1g 16.10.1i 16.10.1s 16.10.2 16.11.1 16.11.1a 16.11.1b 16.11.1c 16.11.1s 16.12.1 16.12.1a 16.12.1c 16.12.1s, etc).
