- VatExecutor.cmd_from_template(node,
- 'sw_interface_ip6nd_ra_config.vat',
- sw_if_id=sw_if_index,
- param='interval {0}'.format(interval))
+ if sw_if_index:
+ VatExecutor.cmd_from_template(node,
+ 'sw_interface_ip6nd_ra_config.vat',
+ sw_if_id=sw_if_index,
+ param='interval {0}'.format(interval))