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With SSH access and installation of ENTWARE, you can use a lot of Linux command inside Asus routers.
Asus router Entware installation guide, with stock Asus FW.
https://github.com/Entware/Entware/wiki/Install-on-ASUS-stock-firmware
Some useful tools: ping, ip, ifconfig, iptables, nslookup, traceroute, tcpdump, wget, curl, etc.
https://forums.hardwarezone.com.sg/...ubleshooting-the-network-performance.6641164/
Example:
Asus router Entware installation guide, with stock Asus FW.
https://github.com/Entware/Entware/wiki/Install-on-ASUS-stock-firmware
Some useful tools: ping, ip, ifconfig, iptables, nslookup, traceroute, tcpdump, wget, curl, etc.
https://forums.hardwarezone.com.sg/...ubleshooting-the-network-performance.6641164/
Example:
Bash:
xiaofan@TUF_6500-5020:/tmp/opt/root/ookla# ./speedtest -s 13623
Speedtest by Ookla
Server: Singtel - Singapore (id: 13623)
ISP: Singtel Fibre
Idle Latency: 1.91 ms (jitter: 0.10ms, low: 1.85ms, high: 2.09ms)
Download: 2370.13 Mbps (data used: 1.2 GB)
131.91 ms (jitter: 69.91ms, low: 1.89ms, high: 828.49ms)
Upload: 2369.23 Mbps (data used: 1.8 GB)
2.09 ms (jitter: 0.84ms, low: 1.10ms, high: 3.95ms)
Packet Loss: 0.0%
Result URL: https://www.speedtest.net/result/c/bb4ba8da-205e-47c2-aa1d-daef4c0a3091
xiaofan@TUF_6500-5020:/tmp/home/root# cat /sys/class/thermal/thermal_zone0/temp
77000 (CPU temp at 77 degree C)
xiaofan@TUF_6500-5020:/tmp/home/root# cat /sys/class/thermal/thermal_zone1/temp
76000
xiaofan@TUF_6500-5020:/tmp/home/root# cat /sys/class/thermal/thermal_zone2/temp
77000
xiaofan@TUF_6500-5020:/tmp/home/root# cat /sys/class/thermal/thermal_zone3/temp
77600
xiaofan@TUF_6500-5020:/tmp/home/root# cat /sys/class/thermal/thermal_zone4/temp
77300
xiaofan@TUF_6500-5020:/tmp/home/root# nvram show | grep dns_ping
dns_ping_state=
dns_ping_tbl_name=
dns_ping_db_path=
dns_ping_list=<114DNS>114.114.114.114<114DNS>114.114.114.115<Ali DNS>223.5.5.5<Ali DNS>223.6.6.6<Baidu DNS>180.76.76.76
size: 59092 bytes (63788 left)
xiaofan@TUF_6500-5020:/tmp/home/root# nvram show | grep dns_probe
dns_probe=0
dns_probe_timeout=1
dns_probe_host=www.baidu.com
dns_probe_content=*
size: 59092 bytes (63788 left)
xiaofan@TUF_6500-5020:/tmp/home/root# dig dns.google.com
; <<>> DiG 9.20.0 <<>> dns.google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48841
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;dns.google.com. IN A
;; ANSWER SECTION:
dns.google.com. 675 IN A 8.8.4.4
dns.google.com. 675 IN A 8.8.8.8
;; Query time: 10 msec
;; SERVER: 192.168.18.1#53(192.168.18.1) (UDP)
;; WHEN: Sun Apr 06 04:58:16 UTC 2025
;; MSG SIZE rcvd: 75
xiaofan@TUF_6500-5020:/tmp/home/root# traceroute dns.google.com
traceroute to dns.google.com (8.8.8.8), 30 hops max, 46 byte packets
1 OpenWrt.lan (192.168.18.1) 0.592 ms 0.375 ms *
2 bb115-66-xxx-254.singnet.com.sg (115.66.xxx.254) 1.914 ms 1.792 ms 1.830 ms
3 165.21.193.22 (165.21.193.22) 2.806 ms 2.403 ms 1.706 ms
4 165.21.193.21 (165.21.193.21) 2.398 ms 1.708 ms 2.073 ms
5 165.21.138.245 (165.21.138.245) 5.280 ms 2.468 ms 2.648 ms
6 SN-SINQT1-BO403-ae1.singnet.com.sg (165.21.138.85) 1.878 ms 1.560 ms 1.680 ms
7 74.125.146.120 (74.125.146.120) 2.608 ms 3.136 ms 2.588 ms
8 * * *
9 dns.google (8.8.8.8) 3.229 ms 2.669 ms 2.972 ms
xiaofan@TUF_6500-5020:/tmp/home/root# traceroute6 dns.google.com
traceroute to dns.google.com (2001:4860:4860::8888), 30 hops max, 24 byte packets
1 2400:d802:de2:xxxx::1 (2400:d802:de2:8900::1) 0.564 ms 0.482 ms 0.275 ms
2 2400:d801:4001:611:: (2400:d801:4001:611::) 2.369 ms 1.897 ms 1.694 ms
3 2001:c20:3c00::6 (2001:c20:3c00::6) 2.378 ms 2.700 ms 2.344 ms
4 2001:c20:3c00::7 (2001:c20:3c00::7) 1.801 ms 2.162 ms 1.790 ms
5 2001:c20:0:3::35 (2001:c20:0:3::35) 2.088 ms 10.962 ms 2.099 ms
6 2001:c20:0:3::a (2001:c20:0:3::a) 2.250 ms 2.149 ms 1.738 ms
7 2001:4860:1:1::2606 (2001:4860:1:1::2606) 2.076 ms 2.173 ms 2.337 ms
8 2404:6800:8341::1 (2404:6800:8341::1) 1.920 ms 2.280 ms 2.410 ms
9 dns.google (2001:4860:4860::8888) 2.326 ms 2.571 ms 2.254 ms
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