Change MAC address of the default gateway
Our Solaris 10 servers are connected in 15 VLANs to the network.
We plan to migrate to new network core switches.
The migration will be done VLAN per VLAN.
Because of new network Hardware, the MAC address of the
default gateway changes.
We must do this change without or with a very short (a few seconds)
interruption.
Is it advisable to reduce to a smaller value of the arp cache timeout
e.g. 20 seconds.
or
Write a script
- ping the default Gateway
- if e.g. five pings failes
- do a arp –d for the default gateway entry
If this works the connection interruption would be 5 seconds.
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