HCL路由器端口映射问题

使用HCL做实验，发现路由器对内网的交换机的telnet服务进行映射后，其他设备无法telnet成功。

R1配置：

interface GigabitEthernet0/1

 port link-mode route

 combo enable copper

 ip address 100.1.1.1 255.255.255.0

 nat outbound 2100 nat server protocol tcp global 100.1.1.100 23 inside 10.1.1.100 23 

R1测试内网服务器：

<R1>ping 10.1.1.100

 Ping 10.1.1.100 (10.1.1.100): 56 data bytes, press CTRL_C to break

 56 bytes from 10.1.1.100: icmp_seq=0 ttl=253 time=4.000 ms

 56 bytes from 10.1.1.100: icmp_seq=1 ttl=253 time=4.000 ms

 56 bytes from 10.1.1.100: icmp_seq=2 ttl=253 time=3.000 ms

 56 bytes from 10.1.1.100: icmp_seq=3 ttl=253 time=4.000 ms

 56 bytes from 10.1.1.100: icmp_seq=4 ttl=253 time=3.000 ms

 --- Ping statistics for 10.1.1.100 --- 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss

 round-trip min/avg/max/std-dev = 3.000/3.600/4.000/0.490 ms

%Mar 4 15:59:46:312 2019 R1 PING/6/PING_STATISTICS: Ping statistics for 10.1.1.100: 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss, round-trip min/avg/max/std-dev = 3.000/3.600/4.000/0.490 ms.

<R1> telnet 10.1.1.100

 Trying 10.1.1.100 ...

 Press CTRL+K to abort

 Connected to 10.1.1.100 ...

 ******************************************************************************

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 * Without the owner's prior written consent, *

 * no decompiling or reverse-engineering shall be allowed. *

 ******************************************************************************

 login: 

R3测试内网服务器：

<R3>telnet 100.1.1.100

 Trying 100.1.1.100 ...

 Press CTRL+K to abort

 Connected to 100.1.1.100 ...

 Failed to connect to the remote host!