一台 MSR 路由器通过广域网接口连接到 Internet ,在该 MSR 路由器上看到如下接口显示信息:
Mp-group1 current state: UP
Line protocol current state: UP
Description: Mp-group1 Interface
The Maximum Transmit Unit is 1500, Hold timer is 10(sec)
Internet Address is 172.16.1.100/24 Primary
Link layer protocol is PPP
LCP opened, MP opened, IPCP opened
Physical is MP, baudrate: 64000 bps
那么对如上显示信息分析正确的是 _____ 。（多选题)

在一台路由器上配置了如下的 ACL :
acl number 2000 match-order auto
rule 0 deny
rule 5 permit source 192.168.9.0 0.0.7.255
假设该 ACL 应用在正确的接口以及正确的方向上,那么 ______ 。（多选)

关于 STP 、 RSTP 和 MSTP 说法正确的是 ______ 。（多选)

使用 display nat session 命令查看 NAT 信息,显示如下:
There are currently 4 NAT sessions
Protocol GlobalAddr Port InsideAddr Port DestAddr Port
- 198.80.28.11 --- 10.0.0.2 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00
- 198.80.28.12 --- 10.0.0.1 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59
1 198.80.28.12 1024 10.0.0.1 1024 198.80.29.4 1024
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59
1 198.80.28.11 512 10.0.0.2 512 198.80.29.4 512
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
由此信息可知私网地址是 ______ 。（多选)

IPv6 邻居发现协议中的路由器发现功能是指 ______ 。