ClearPass – dual interface and routing
When you are using both interfaces on a ClearPass server (MGMT and DATA) than ClearPass uses the DATA interface to connect to services, like LDAPS to Active Directory, SMTP delivery, Active Directory joining and more. ClearPass uses the DATA interface as default gateway if no specific route is available on the MGMT interface.
That being said, you have the option to add routes to the ClearPass routing table. Routes are added via the ClearPass shell. Use the following command to add a route.
network ip add <mgmt|data|greN|vlanN> [-i <id>] <[-s <SrcAddr>] [-d <DestAddr>]> [-g <ViaAddr>]
- greN — Name of the gre tunnel where N corresponds to the gre
tunnel number ranging from 1,2,3…N
- vlanN — Vlan interface where N corresponds to the vlan id ranging from 1,2,3…N. For example if the configured vlan identifier is ’85’ then input ‘vlan85’
- -i — Optional parameter. Id of the network ip rule. If unspecified the system will auto generate the Id
- -s <SrcAddr> — Optional parameter. The source interface ip address or netmask from where the network ip rule is specified. The allowed values are valid IP Address or Netmask or ‘0/0’
- -d <DestAddr> — Optional parameter. The destination interface ip address or netmask where the network ip rule is specified. The allowed values are valid IP Address or Netmask or ‘0/0’
- -g <ViaAddr> — Optional parameter. The via or gateway ip address through which the network traffic should flow. The allowed value is valid IP Address
[appadmin@CPPM01]# network ip add mgmt -d 10.10.10.0/24 -g 220.127.116.11
INFO – Added route for destination=10.10.10.0/24 via=18.104.22.168
INFO – New ip rule created with the id = 12000
You can check the routing table via the command: network ip list.
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