The activate-route-tag compatible command allows VPNv4 routes that carry a non-zero tag value to match the rule configured using the if-match tag command.
The undo activate-route-tag compatible command restores the default configuration.
By default, VPNv4 routes that carry a non-zero tag value are not allowed to match the rule configured using the if-match tag command.
Usage Scenario
By default, the tag value of VPNv4 routes is 0, and the VPNv4 routes that carry tag 0 match the rule configured using the if-match tag command. If the tag carried in VPNv4 routes is not 0, the VPNv4 routes are not allowed to match the rule configured using the if-match tag command unless the activate-route-tag compatible command is run.