请问下，您使用的是什么牌子什么型号的外接硬盘呢？

AR502H修改后的配置：如何ip和dns全部自动获取，见下图：则pc机可以正常上网，见下图：若ip正常设置，DNS不设置，则无法上网。请问该如何设置，PC机 可以不用填写DNS，就可以上网的？

数据慢是由于天线问题，问题已解决

感谢 MichaelChen_2021， 已经解决

[hnsd@huawei ~]$ wwan dialer -s -i LTE0[hnsd@huawei ~]$ nft add rule dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masqueradeError: Could not process rule: No such file or directoryadd rule  dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masquerade^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^invalid command, try "nft -h"[hnsd@huawei ~]$ nft add table dnat1The table name already exists.invalid command, try "nft -h"[hnsd@huawei ~]$ wwan dialer -s -i LTE0[hnsd@huawei ~]$ nft add table dnat1The table name already exists.invalid command, try "nft -h"[hnsd@huawei ~]$ nft add chain dnat1 postrouting { type nat hook postrouting priority 0 \; }[hnsd@huawei ~]$ nft add rule dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masquerade[hnsd@huawei ~]$ ip addr show dev LTE0.Error: argument "LTE0." is wrong: "dev" value is invalid, cannot find the device[hnsd@huawei ~]$ ip addr show dev LTE01030: LTE0: mtu 1500 qdisc pfifo_fast state up mode default qlen 1000        link/LTE 64:2c:ac:c3:a2:94 brd ff:ff:ff:ff:ff:ff    inet 10.16.244.12/8 brd 10.255.255.255 scope global LTE0       valid_lft forever       preferred_lft forever    inet6 fe80::662c:acff:fec3:a294/64 scope link       valid_lft forever       preferred_lft forever[hnsd@huawei ~]$ ping 8.8.8.8PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.64 bytes from 8.8.8.8: icmp_seq=1 ttl=114 time=3576 ms64 bytes from 8.8.8.8: icmp_seq=2 ttl=114 time=4543 ms重新插紧sim卡，有数据了，就是比较慢

hnsdPassword:[hnsd@huawei ~]$ wwan dialer -s -i LTE0[hnsd@huawei ~]$ nft add rule dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masqueradeError: Could not process rule: No such file or directoryadd rule  dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masquerade^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^invalid command, try "nft -h"[hnsd@huawei ~]$ timed out waiting forecos LinuxKernel 4.4.197 on an aarch64 (ttyAMA0)huawei login: hnsdPassword:Login incorrecthuawei login: hnsdPassword:Last login: Tue Nov 30 16:56:48 CST 2021 on ttyAMA0[hnsd@huawei ~]$ nft add table dnat1[hnsd@huawei ~]$ nft add chain dnat1 postrouting { type nat hook postrouting priority 0 \; }[hnsd@huawei ~]$ wwan dialer -s -i LTE0[hnsd@huawei ~]$ nft add rule dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masquerade[hnsd@huawei ~]$ ip addr show dev LTE01030: LTE0: mtu 1500 qdisc pfifo_fast state down mode default qlen 1000        link/LTE 64:2c:ac:c3:a2:94 brd ff:ff:ff:ff:ff:ff    inet6 fe80::662c:acff:fec3:a294/64 scope link       valid_lft forever       preferred_lft forever[hnsd@huawei ~]$[hnsd@huawei ~]$ wwan dialer -s -i LTE0[hnsd@huawei ~]$ nft add table dnat1The table name already exists.invalid command, try "nft -h"[hnsd@huawei ~]$ nft add chain dnat1 postrouting { type nat hook postrouting priority 0 \; }[hnsd@huawei ~]$ nft add rule dnat1 postrouting ip saddr 192.168.100.0/24 oifname LTE0 masquerade[hnsd@huawei ~]$ ip addr show dev LTE01030: LTE0: mtu 1500 qdisc pfifo_fast state down mode default qlen 1000        link/LTE 64:2c:ac:c3:a2:94 brd ff:ff:ff:ff:ff:ff    inet6 fe80::662c:acff:fec3:a294/64 scope link       valid_lft forever       preferred_lft forever[hnsd@huawei ~]$ ping 8.8.8.8connect: Network is unreachable[hnsd@huawei ~]$还是没有成功