text: from django_filters import FilterSet
  
  from .models import CiscoDevice, IosVulnerability
  
  class CiscoDeviceFilter(FilterSet):
      class Meta:
          model = CiscoDevice
          fields = {
              'ios_version': ['contains'],
              'device_name': ['contains']
          }
  
  
  class IosVulnerabilityFilter(FilterSet):
      class Meta:
          model = IosVulnerability
          fields = {
              'cisco_id': ['contains'],
              'severity': ['contains']
          }
  