The following sections describe what is new in VOSS 8.4.
Note
XA1400 Series does not support this feature.
If a port answers DHCP requests sent by your device and the port is in the Auto-sense UNI state, the system automatically changes the port's private VLAN configuration from isolated mode to promiscuous mode.
DHCP Port Snooping is enabled by default. You can use the no auto-sense dhcp-detection command to disable this feature on a switch.
Without this enhancement, the other devices in the network cannot receive an IP address through the DHCP server if they are in the Zero Touch Fabric Configuration mode unless you disable Auto-sense on the port and manually change the port from isolated mode to promiscuous mode.
For more information, see VOSS User Guide.
You can configure the egress shaping rate to limit egress bandwidth for tunnels on the Fabric IPsec Gateway Virtual Machine (VM).
For more information, see VOSS User Guide.
Entity MIB is defined in RFC 4133 and contains a hierarchy of physical and logical entities of a management system.
This release supports Entity MIB - Logical Table, which consists of logical interface entities, such as:
VLANs
MLTs
Circuitless IP (CLIP)
Fabric Extend interfaces (logical Layer 2 and Layer 3 IS-IS interfaces)
You can configure an ACE to filter routed packets only for IPv4 and IPv6 traffic.
Note
Filtering routed packets for IPv4 and IPv6 traffic is not supported on XA1400 Series.
For more information, see VOSS User Guide.
With this feature, Tx flow control is now enabled by default on XA1400 Series. Both Tx and Rx flow control are enabled by default.
For more information, see VOSS User Guide.
Remote CMAC addresses are flushed when a topology change notification is received versus waiting for timers to age, which results in improved resiliency times when using MSTP-Fabric Connect Multi Homing.
The Multi-area SPB feature enables building a scalable Shortest Path Bridging (SPB) network, consisting of multiple Intermediate System-to-Intermediate System (IS-IS) areas that connect to each other through the boundary nodes. The Multi-area SPB feature provides flexible network design through which you can group the nodes in the areas on a need basis.
Multi-area SPB enables you to configure two IS-IS areas on the VSP 7400 Series, which are the boundary nodes. For granular service (I-SID) redistribution and filtering, you can apply the layer 2 and layer 3 policies between the areas.
For more information, see VOSS User Guide.
Scaling numbers are included for this feature. For more information, see Scaling.
Note
XA1400 Series does not support this feature.
New switches include a 30-day Factory Default Premier Trial License to use all features (excluding MACsec). You can run the extend-time-period command up to three times to extend the evalulation license for an additional 90 days. You can configure all features, except MACsec, without restrictions and save the configuration.
For more information, see VOSS User Guide.
To lower convergence time, switches now set the IS-IS overload bit automatically when a reset command is issued.
For more information, see VOSS User Guide.
Note
XA1400 Series does not support this feature.
RADIUS port and VLAN based Vendor Specific Attributes (VSA) automate switch configuration using port and VLAN based attributes that it receives from the RADIUS Server.
This release introduces Extreme-Dyn-Config VSA to dynamically configure the following features:
VLAN Based Features
IGMP Snooping
DHCP Snooping
Dynamic ARP Inspection (DAI)
Port Based Features
IP Source Guard (IPSG)
Simple Loop Prevention Protocol (SLPP) Guard
Bridge Protocol Data Unit (BPDU) Guard
Traffic Control (Wake on LAN)
Custom Auto-Negotiation Advertisements (CANA)
For more information, see VOSS User Guide.
Note
XA1400 Series does not support this feature.
VRFs are now included in the Base Software License for all VOSS platforms.
For more information, see VOSS User Guide.
You can store only two software releases on 5420 Series switches. If you attempt to add a third software release, you are prompted for a confirmation to overwrite the non-primary release. You can also use the software add <filename> -y command to bypass the confirmation question and automatically overwrite the non-primary release.
For information, see VOSS User Guide.
This release supports the following LLDP Tx-TLVs:
dot3
local management address
For more information, see VOSS User Guide.
This release supports Secure SSL Renegotiation, which is defined in RFC 5746.
This release introduces the show eap sessions command to display EAP and non-EAP authentication sessions on a port.
For more information, see VOSS User Guide.
This release introduces the show spbm nick-name server leases command to display the nickname server leases.
The front panel view of Enterprise Device Manager (EDM) provides additional information for Power Over Ethernet (PoE) ports for the following switches:
5420F-24P-4XE
5420F-8W-16P-4XE
5420M-24W-4YE
5420M-48W-4YE
5420F-48P-4XE
5420F-16W-32P-4XE
5420F-48P-4XL
5420F-16MW-32P-4XE
5420M-16MW-32P-4YE
5520-12MW-36W
5520-24W
5520-48W
VSP4900-48P
VSP4900-12MXU-12XE
VSP 4450 Series
For more information, see VOSS User Guide.
After Zero Touch Provisioning Plus (ZTP+) is configured, Extreme Management Center server can configure Network Time Protocol (NTP) on the switch.
For more information, see VOSS User Guide.