Setting source-ip interface for DNS request
Topic
Dear all,
Seems there is no possibility to specify setting the source ip under VRF for the DNS service, while in the Alcatel official documents is supported, someone have some idea?
The devices are 6860/6900 and the release is 8.6R2
HOSTNAME-> vrf VRF01NETMGMT ip service source-ip “VLAN1000” all
HOSTNAME-> vrf VRF01NETMGMT show ip service source-ip
Legend: – no explicit configuration
Application Interface-name
————-+——————————–
dns –
ftp VLAN1000
ldap VLAN1000
ntp VLAN1000
radius VLAN1000
sflow –
snmp VLAN1000
ssh VLAN1000
swlog VLAN1000
tacacs VLAN1000
telnet VLAN1000
tftp VLAN1000
ptp VLAN1000
HOSTNAME> vrf VRF01ip service source-ip “VLAN1000” dns
ERROR: Not supported for non-default VRF, VRF
Let me know
Best Regards
Answers
klentil
Hi,
Default Source Interface for dns requests is the outgoing interface and setting the "ip source" is not supported in VRF as stated in the configuration guide (CLI guide is ambiguous on this point). you may confgure a separate UDP relay setting for port/service to VLAN is required per VRF instance. For example : in the context of the VRF01 instance: "-> ip udp dns vlan 1000".
Please refer to the configuration guide for more insights :
Khadir.