Create LACP aggregates in Solaris 10

Link Aggregation Control Protocol (LACP) allows multiple network interfaces to work together to increase bandwidth and redundancy. LACP is simlar to IPMP (IP Multipathing) however IPMP is wasteful with IP addresses and can cause problems with ssh remote execution. Whereas LACP only requires one IP address, you need to ensure that your switches support LACP. In this example we are using the IP-hashing method, so ensure that your switch is setup for IP-hashing/Layer 3 hashing.

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Simple Solaris IP Multipathing

IP multipathing consists of grouping two identical network cards together and having a live IP address be able to automatically fail over from one card to the other with no loss or degredation of service.

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Solaris 10: set subnet mask in zone

There isn’t a netmask setting available when creating a zone and the /etc/netmasks file isn’t consulted when plumbing up zone interfaces. This recipe describes how to force a netmask when creating a zone.

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Get MAC address without root

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Setting Solaris Network Tunable Parameters

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Add a default route

Add a default route (gateway).

Create an /etc/defaultrouter file with the IP to have it set to this for each boot.

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Get default route information

Get information about the default route (gateway)

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Change the subnet mask of an interface

If a network interface was configured with the wrong subnet mask as can happen when the default subnet is selected with a variable length subnet mask, a simple configuration change will fix it.

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