Digi TransPort - Page 227

Configure GRE interfaces
Digi TransPort User Guide 227
Enable IGMP on this GRE tunnel
This IGMP parameter enables or disables the transmission and reception of IGMP packets on
this interface. IGMP is used to advertise members of multicast groups. If IGMP is enabled, and
a member of a multicast group is discovered on this interface, multicast packets for this group
received on other interfaces will be sent out this interface.
Enable IP analysis:
When set to on, the un-encapsulated IP traffic is captured into the analyser trace.
Enable Tunnel analysis:
When set to on, the GRE encapsulated packets and keepalives is captured to the analyser
trace.
Related CLI Commands
Note RIP Routing Parameters-CLI only: Under the CLI commands for GRE Tunnels are
parameters specifically relating to RIP. Please see the Interfaces > Ethernet / PPP / GRE
parameters on page 373 section on RIP routing for configuration of these sub parameters.
Entity Instance Parameter Values Equivalent Web Parameter
tun n metric Numeric Metric value Metric for the route associated with this
interface
tun n MTU MTU value Maximum transmission unit size
tun n tunkey Key number Key number
tun n Firewall on,off Turn firewall on or off
tun n csum on,off Enable GRE checksums
tun n igmp On, off Enable IGMP packets
tun n ipanon On, off Enable IP analysis for traffic on this
interface
tun n tunanon On, off Enable GRE tunnel analysis