Hello.  I just looked at the log in my wireless router and it is showing DOS attack from the ER605!  How do I stop the ER605 from sending this to my wireless router?

Thanks in advance.

=============== From the wireless router log =======================================

[DoS attack: Fraggle Attack] from source 192.168.5.1,port 34402 Saturday, Sep 04,2021 17:37:18
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 34402 Saturday, Sep 04,2021 17:37:08
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 34402 Saturday, Sep 04,2021 17:36:58
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:36:48
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:36:37
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:36:27
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:36:17
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:36:07
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:35:57
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:35:47
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:35:36
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:35:26
[DoS attack: Fraggle Attack] from source 192.168.5.1,port 37423 Saturday, Sep 04,2021 17:35:16