isisd: fix wrong check for MT commands (backport #17014) #17027
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``` anlan# show run ! interface eth0 ip router isis A exit ! router isis A metric-style narrow <- NOT wide exit ! end anlan (config)# int eth0 anlan (config-if)# no isis topology ipv6-unicast % Configuration failed. Error type: validation Error description: Multi topology IS-IS can only be used with wide metrics ``` The MT commands are mainly controlled by the binded area, not by interface. Currently if there is any MT configuration in the area, `metric-style` must be with the `wide` mode, this requirement is sufficient. So, the unnecessary/wrong check for MT in the interface should be removed. Signed-off-by: anlan_cs <[email protected]> (cherry picked from commit 424cec6)
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The MT commands are mainly controlled by the binded area, not by interface. Currently if there is any MT configuration in the area,
metric-stylemust be with thewidemode, this requirement is sufficient. So, the unnecessary/wrong check for MT in the interface should be removed.This is an automatic backport of pull request #17014 done by Mergify.