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PPPoE on ISR router: Why is LCP closed on Dialer interface, LCP up on Virtual-Access interface?

Why does the Dialer interface show LCP as closed, but on the Virtual-Access interface LCP shows up as open?

Also, is it normal for the NCPs to only show up under the Virtual-Access interface? What is the reasoning for this?

 

sh int di1
Dialer1 is up, line protocol is up (spoofing)
Hardware is Unknown
Description: PPPOE LINK
Internet address is <REDACTED>
MTU 1492 bytes, BW 56 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 104/255, rxload 255/255
Encapsulation PPP, LCP Closed, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 1 seconds on reset
Interface is bound to Vi2

 

sh int vi2
Virtual-Access2 is up, line protocol is up
Hardware is Virtual Access interface
Description: PPPOE LINK
MTU 1492 bytes, BW 56 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 127/255, rxload 168/255
Encapsulation PPP, LCP Open
Stopped: IPV6CP
Open: IPCP
PPPoE vaccess, cloned from Dialer1

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