■ IEEE 802.1ak-2007 MVRP (MX Series routers)—The Multiple VLAN Registration
Protocol (MVRP) is a standards-based Layer 2 network protocol used among
switches to dynamically share and update VLAN information with other bridges.
VLAN information exchanged includes:
■ The set of VLANs that currently have active members
■ The ports through which the active members can be reached
To operate MVRP, edge ports should have the static VLAN configuration. The
edge ports will not be configured for MVRP. MVRP is only enabled on the
core-facing trunk ports where no static VLANs are configured.
To configure MVRP, include the mvrp statement and desired options at the [edit
protocols] hierarchy level.
[Class of Service]
■ Elevated packet drops during oversubscription (MX Series routers with Trio
MPC/MIC interfaces)—During periods of oversubscription, the WRED process
drops more packets than expected from relatively full queues. There is no
configuration for this feature, which transparently applies scaling to
oversubscribed queues.
[Class of Service]
High Availability
■ Enhancements to unified ISSU support on PICs (T Series)—JUNOS Release 10.1
extends unified ISSU support for the following PICs to T Series routers:
■ PB-1CHOC12-STM4-IQE-SFP, 1-port channelized OC12/STM4 enhanced IQ
PIC
■ PB-1OC12-STM4-IQE-SFP, 1-port nonchannelized OC12/STM4 enhanced IQ
PIC
■ PB-4CHDS3-E3-IQE-BNC, 4-port channelized DS3/E3 enhanced IQ PIC
■ PB-4DS3-E3-IQE-BNC, 4-port non-channelized DS3/E3 enhanced IQ PIC
[High Availability]
Interfaces and Chassis
■ New 60-Gigabit Ethernet Queuing MPC (model number
MX-MPC2-3D-Q)—Supported on MX Series routers. For a list of supported MPCs,
see the MX Series Line Card Guide.
■ New 60-Gigabit Ethernet MPC (model number MX-MPC2-3D)—Supported on
MX Series routers. For a list of supported MPCs, see the MX Series Line Card
Guide.
■ New 60-Gigabit Ethernet Enhanced Queuing MPC (model number
MX-MPC2-3D-EQ)—Supported on MX Series routers. For a list of supported
MPCs, see the MX Series Line Card Guide.
12 ■ New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers
JUNOS 10.1 Software Release Notes
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