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ICMP Redirect force to change the routing table
07/04/2022 
15 People found this article helpful
486,946 Views
Description
ICMP Redirect is a mechanism to convey routing information to hosts. The message informs a host to update its routing information (to send packets on an alternative route).
Resolution
Resolution for SonicOS 7.X
This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.
If for a specific reason there is the need to disable the ICMP Redirect option on the LAN Zone follow the instruction below:
- Navigate to Network|Firewall|Advanced|Under Access Rule Options, Disable the option"Enable ICMP Redirect on LAN zone"
- Now the ICMP Redirect should be disabled on the LAN Zone.
Resolution for SonicOS 6.5
This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.
If for a specific reason there is the need to disable the ICMP Redirect option on the LAN Zone follow the instruction below:
- Navigate to Manage|Firewall Settings | Advanced, Disable the option “Enable ICMP Redirect on LAN zone”.
- Now the ICMP Redirect should be disabled on the LAN Zone.
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Categories
- Firewalls > TZ Series
- Firewalls > SonicWall SuperMassive E10000 Series
- Firewalls > SonicWall SuperMassive 9000 Series
- Firewalls > SonicWall NSA Series
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