Name

mcast_groups

Synopsis

As discussed in Section 10.6.3, Squid supports receiving ICP queries via multicast. This option specifies a list of multicast addresses Squid should join to receive these ICP queries.

Tip

IP multicast is a very tricky and often fragile feature of the Internet. I strongly recommend you avoid using multicast for ICP unless you are already familiar with it. Don’t try to guess appropriate values for these directives, and don’t expect it to work the first time.

Syntax

mcast_groups multicast-address [multicast-address] ...

Default

No default

Example

mcast_groups 239.128.16.128

Related

cache_peer, mcast_icp_query_timeout

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