ip add link returns RTNETLINK answers: File exists
Issue
- Customer wants to add multiple GRE Tunnels.
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/5/html/Installation_and_Configuration_Guide/Compare_VXLAN_and_GRE_tunnels.html
So he managed to add one, but the second returns the following:
[root@host-a network-scripts]# ip link add GRE15_98 type gretap local 10.xxx.yyy.73 remote 98.xxx.yyy.9
RTNETLINK answers: File exists
Environment
- Red Hat Enterprise Linux 6.5
- kernel-2.6.32-431.el6
- ip_gre module
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