# ipv6 multicast-routing permanent-mroute

#### Syntax

ipv6 multicast-routing permanent-mroute accessListName

no ipv6 multicast-routing permanent-mroute

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Specifies that newly created mroutes that match the specified access-list do not get timed out. The no version of this command prevents any new mroutes from becoming permanent. However, it does not remove any existing permanent mroutes. To remove existing permanent mroutes, use the clear ipv6 mroute command.

#### Options

- accessListName—Name of the IPv6 access list that specifies the mroutes

#### Mode

Global Configuration