Configuring Igmp Attributes; Configuring Layer 2 And 3 Switching Attributes - Extreme Networks PoS Installation And User Manual

Consider these factors when configuring jumbo frame support on a PoS port:
• Because the jumbo frame MTU setting affects the PPP MRU setting of the PoS port
and the peer, changing the jumbo frame MTU setting can have the following results:
— Temporary disruption of the logical connection because the Link Control Protocol
might need to terminate the logical connection and then re-establish it with larger
MRU sizes.
— Longer term disruption of the logical connection because of the requirement that
the logical connection can only be established when (a) jumbo frame support is
enabled on the peer PoS port, and (b) the same jumbo frame MTU size must be
configured on both ends of the logical connection when the peer is also a
BlackDiamond switch.
• When the jumbo frame size is changed from a value of 8191 or less to a value greater
than 8192, any PoS modules that have ports with jumbo frame support enabled must
be rebooted for the change to take effect.
• The peer MRU is always allowed to be greater than or equal to the MRU size of the
local port.
• Fragmentation and path MTU discovery is performed, but is based on checking the
peer's MRU in conjunction with the IP MTU configured for the egress VLAN (which
can be set using the
the jumbo frame MTU setting.
For more information on the ExtremeWare jumbo frame commands, see the ExtremeWare
Software User Guide.

Configuring IGMP Attributes

For more information on the ExtremeWare IGMP commands, see the ExtremeWare
Software User Guide.

Configuring Layer 2 and 3 Switching Attributes

All of the IP routing protocols are supported: RIP, OSPF, BGP, DVMRP, and PIM.
When BCP is enabled on a PoS port, IPX RIP and SAP are supported.
Packet Over SONET Module Installation and User Guide
config ip-mtu <number> vlan <name>
Additional PoS Module Support Topics
command), rather than
3-105