CIS
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CRS112
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8P MANAGED L2
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L3 NETWORK SWITCH
PRODUCT MANUAL
Loop Protect
The Loop Protect feature can prevent Layer 2 loops by sending loop protect protocol packets and disabling interfaces in the
event they receive loop protect packets originating from themselves. The feature works by checking the source MAC address of
received loop protect packet against MAC addresses of loop protect enabled interfaces. If the match is found, loop protect dis-
ables the interface that received the loop protect packet. Loop protect works on ethernet, VLAN, EOIP and EOIPv6 interfaces.
You can adjust the loop protect packet sending interval and interface disable time. Configuration changes or expiration of the
disable time resets loop protection on the interface.
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