Extreme SLX-OS Command Reference, 20.7.1 > Commands N - Q

Extreme Networks, Inc. March 26, 2025

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Preface
About This Document
- What's New in This Document
- Supported Hardware
Using the SLX-OS CLI
Commands A - B
Commands C - D
Commands E - F
Commands G - J
Commands K - M
Commands N - Q
Commands R - Sh
Show A through Show I
Show J through Show Z
Commands Shu - Z
Commands U - Z

Commands N - Q

Section contents:

name (ERP)
Specifies an optional name for an Ethernet Ring Protection (ERP) instance.
name-prefix
Use the name-prefix interface command to specify a name prefix for the dynamic bypass LSPs to be created for the MPLS protected interface.
nbr-timeout
Configures the length of time a PIM device waits for hello messages before considering a neighbor to be absent.
neighbor activate
Enables the exchange of information with BGP neighbors and peer groups.
neighbor accept-lldp-neighbors
Enables automatic neighbor discovery for Border Gateway Protocol (BGP).
neighbor additional-paths
Enables an additional-paths capability for a specific peer or peer group in a Border Gateway Protocol (BGP) address family.
neighbor additional-paths advertise
Configures the additional-paths to advertise to a neighbor for a Border Gateway Protocol (BGP) address family.
neighbor additional-paths disable
Disables the inheritance of an additional-paths capability (from the address family or peer group level) for a specific peer or peer group in a Border Gateway Protocol ( BGP) address family.
neighbor advertisement-interval
Enables changes to the interval over which a specified neighbor or peer group holds route updates before forwarding them.
neighbor allowas-in
Disables the AS_PATH check function for routes learned from a specified neighbor so that BGP does not reject routes that contain the recipient BGP speaker's AS number.
neighbor alternate-as
Adds a range of alternate autonomous system numbers (ASNs) for BGP dynamic neighbors.
neighbor announce-rpki-state
This command enables the SLX device to announce the RPKI state to its iBGP neighbors also to receive the RPKI state with prefixes from the configured neighbor. The state is announced to the iBGP neighbor through the extended community attribute. RPKI state is only announced to the iBGP neighbor when neighbor send-community is enabled using the extended, all, or both settings for the command.
neighbor as-override
Replaces the autonomous system number (ASN) of the originating device with the ASN of the sending BGP device.
neighbor bfd
Enables Bidirectional Forwarding Detection (BFD) sessions for specified Border Gateway Protocol (BGP) neighbors or peer groups.
neighbor capability as4
Enables or disables support for 4-byte autonomous system numbers (ASNs) at the neighbor or peer-group level.
neighbor capability orf prefixlist
Advertises outbound route filter (ORF) capabilities to peer routers.
neighbor default-originate
Configures the device to send the default IPv4 route 0.0.0.0 or the default IPv6 route ::/0 to a neighbor or a peer-group. Route maps can also be applied to the default-originated routes.
neighbor description
Specifies a name for a neighbor.
neighbor ebgp-btsh
Enables BGP time to live (TTL) security hack protection (BTSH) for eBGP.
neighbor ebgp-multihop
Allows eBGP neighbors that are not on directly connected networks and sets an optional maximum hop count.
neighbor enable-peer-as-check
Enables the outbound AS_PATH check function so that a BGP sender speaker does not send routes with an AS path that contains the ASN of the receiving speaker.
neighbor encapsulation
Sets the encapsulation type for an IPv4 neighbor, an IPv6 neighbor, or a peer group.
neighbor enforce-first-as
Ensures that a device requires the first ASN listed in the AS_SEQUENCE field of an AS path-update message from EBGP neighbors to be the ASN of the neighbor that sent the update.
neighbor filter-list
Specifies a filter list to be applied to updates from or to the specified neighbor.
neighbor flowspec redirect
Configures the Border Gateway Protocol flow specification (BGP flowspec) redirect nexthop holder and action type at neighbor or peer-group level.
neighbor flowspec validation
Configures Border Gateway Protocol flow specification (BGP flowspec) route validation at neighbor or peer-group level.
neighbor graceful-restart
Enables BGP graceful restart of individual BGP neighbors.
neighbor graceful-shutdown
Configures graceful shutdown of a link to a BGP neighbor or peer group.
neighbor local-as
Causes the device to prepend the local autonomous system number (ASN) automatically to routes received from an eBGP peer.
neighbor maxas-limit in
Causes the device to discard routes received in UPDATE messages if those routes exceed a maximum AS path length.
neighbor maximum-prefix
Specifies the maximum number of IP network prefixes (routes) that can be learned from a specified neighbor or peer group.
neighbor next-hop-self
Causes the device to list itself as the next hop in updates that are sent to the specified neighbor.
neighbor next-hop-unchanged
Enables BGP to send updates to eBGP peers with the next-hop attribute unchanged.
neighbor password
Specifies an MD5 password for securing sessions between the device and a neighbor.
neighbor peer-dampening
Enables peer-dampening for a single neighbor.
neighbor peer-dampening (peer-group)
Enables BGP Peer Dampening for a peer group.
neighbor peer-group
Configures a BGP neighbor to be a member of a peer group.
neighbor peer-group-name alternate-as-range
Adds a neighbor from an autonomous system (AS) to the IPv4 multiprotocol BGP neighbor table of the local router.
neighbor prefix-list
Filters outgoing and incoming route updates to or from a particular BGP neighbor according to the length of its IP address and mask.
neighbor remote-as
Specifies the autonomous system (AS) in which a remote neighbor resides.
neighbor remove-private-as
Configures a device to remove private autonomous system numbers (ASNs) from UPDATE messages that the device sends to a neighbor.
neighbor route-map
Filters the outgoing and incoming route updates to or from a particular BGP neighbor according to a set of attributes defined in a route map.
neighbor route-reflector-client
Configures a neighbor as a route-reflector client.
neighbor rpki validation status disable
This command disables the RPKI validation for the configured neighbor. The default behavior is to allow the RPKI validation for the prefixes received from its neighbor.
neighbor send-community
Enables sending the community attribute in updates to the specified BGP neighbor.
neighbor shutdown
Causes a device to shut down the session administratively with its BGP neighbor.
neighbor soft-reconfiguration inbound
Stores all the route updates received from a BGP neighbor.
neighbor static-network-edge
Overrides the default BGP4 behavior and advertises the network to a neighbor or peer group only when the corresponding route is installed as a forward route in the routing table.
neighbor timers
Specifies how frequently a device sends KEEPALIVE messages to its BGP neighbors, as well as how long the device waits for KEEPALIVE or UPDATE messages before concluding that a neighbor is dead.
neighbor unsuppress-map
Removes route suppression from BGP neighbor routes when those routes have been suppressed as a result of aggregation. All routes matching route-map rules are unsuppressed.
neighbor update-source
Configures the BGP device to communicate with a neighbor through a specified interface.
neighbor weight
Specifies a weight that the device will add to routes that are received from the specified BGP neighbor. BGP gives preference to routes with higher weights.
net
Configures an Intermediate System-to-Intermediate System (IS-IS) network entity title (NET) for the routing process.
network
Configures the device to advertise a BGP network.
next-hop-enable-default
Configures the device to use the BGP default route as the next hop.
next-hop-mpls
Configures BGP shortcuts using next-hop MPLS to force BGP to use an MPLS tunnel as the preferred route to a destination network when an MPLS LSP tunnel is available.
next-hop-recursion
Enables BGP recursive next-hop lookups.
next-hop-recursion (Policy Based Routing)
Enables recursive next-hop lookups in route maps. Available for both IPv4 and IPv6 next hop entries in the PBR route maps.
no debug
Disables the debug process for the selected module or all modules.
no-core-isolation
By default, the core isolation feature is enabled. When all the core interfaces between the Leaf and Spine nodes go down, the ESI interface will be made down. If the core isolation feature is disabled using this command, the ESI interface will not be made down, and then all the core interfaces between the Leaf and the Spine nodes go down.
node
Penalizes all links originating from the node IP address.
non-revertive-mode
Sets non-revertive mode for Ethernet Ring Protection (ERP).
nonstop-routing (IS-IS)
Enables nonstop routing (NSR) for Intermediate System-to-Intermediate System (IS-IS).
nonstop-routing (OSPF)
Enables nonstop routing (NSR) for OSPF.
notification-timer
Sets the length of the EOL notification timer for LDP-IGP synchronization.
ntp authenticate
This command enables or disables the NTP authentication at global level. If the authentication is enabled, the NTP packets from servers, peers, clients not having MAC is dropped. Only those servers/peers configured with key authentication is considered for time synchronization. Client requests only with authentication is served, whose key-IDs match with one of the trusted key-IDs.
ntp authentication-key
Creates an authentication key to associate with the NTP server, thereby enabling NTP authentication.
ntp disable
Disables the NTP server/client mode. Disabling the NTP server/client mode does not remove the configuration.
ntp peer
Configures the NTP peers and specifies the peers to synchronize the system clock. A maximum of 8 NTP peers can be configured.
ntp server
Specifies or adds an NTP server IP address and optionally associates an authentication key to the server.
ntp trusted-key
This command configures additional subset of trusted key-IDs which can be used for NTP and client authentication. The keys configured for server/peer is implicitly considered as part of trusted keys.
operational-state
Enables or disables support for OpenConfig Telemetry Support for SLX.
optimized replication
Enables optimized replication.
oscmd
Runs commands or scripts supported by the Linux OS directly from the SLX-OS CLI.
overlay access-group
Applies an overlay ACL to an overlay-transit node.
overlay access-list type vxlan extended
Creates an overlay VXLAN extended ACL for deep inspection.
overlay access-list type vxlan standard
Creates an overlay VXLAN standard ACL.
overlay-gateway
Creates a VXLAN overlay gateway instance and enables VXLAN overlay gateway configuration mode.
overlay-service-policy
Binds an overlay policy map to an overlay gateway or overlay transit instance.
overlay-transit
Configures an overlay transit.
partial-spf-interval
Changes the partial shortest path first (PSPF) interval.
password
Command to change the password for the current user ID. This command is available under each BMC User ID configuration mode.
password-attributes
Configures global password attributes.
password-attributes expiry-alert-level
Configures the various alert levels when a SLX-OS user account's password is set to expire.
password-encryption convert-enc-to-level-10
Changes existing AES-256 encrypted passwords and MD5 passwords to SHA-512 .
password-policy (TPVM mode)
Command to configure the password length and other password strength restrictions for the TPVM password. This command is available under TPVM configuration mode.
path
A path is a list of router hops that specifies a route across an MPLS domain. Once the user creates a path, the user can create signaled LSPs that see the path.
pdu-rate
Configures pdu-rate value, which is the number of OAMPDUs per second.
peer
Configures a peer IP address in a bridge domain. A corresponding pseudowire (PW) interface is created when the peer IP address is configured.
peer (MCT)
Configures the IP address for the MCT cluster peer.
peer-dampening
Enables dampening of unstable BGP Peers globally for all neighbors (IPv4, IPv6 across all VRFs). Dampening can be enabled on all neighbors or on an individual neighbour/a peer-group. Dampening cannot be applied on dynamic peers.
peer-group ipv6prefix-over-ipv4peer
Enables exchanging of IPv6 routes over IPv4 BGP peer sessions. This configuration applies only to BGP neighbors that are members of a peer-group.
peer-interface
Configures the Ethernet interface or port-channel to reach the MCT cluster peer.
peer-keepalive (optional)
Configures the keepalive session for the MCT cluster peer.
penalty
Sets the penalty value for a CSPF fate-sharing group.
permit ip host
Creates a rule in an Address Resolution Protocol (ARP) ACL that permits ARP messages from a host specified by both IP and MAC addresses.
ping
Verifies network connectivity between a source and a destination on a TCP/IP network.
pki ocsp
Configures OCSP (Online Certificate Status Protocol) on a VRF with a source interface.
police cir
Configures the committed information rate, committed burst size, exceeded information rate, and the exceeded burst size for the class map.
policy-map
Configures a policy map containing a class map so that you can apply policer and QoS attributes to a particular interface.
port-channel path-cost
Sets the port channel path cost behavior.
preempt-mode
Enables or disables preempt mode for a VRRP or VRRP Extended (VRRP-E) router session.
prefix-independent-convergence
Configures BGP Prefix-Independent Convergence (PIC), providing a BGP next-hop and additional paths to the routing information base manager (RIBM) and forwarding information base (FIB) if applicable.
prefix-independent-convergence-static
This command reduces the convergence time for the static routes when a failover from the primary static nexthop to the backup static nexthop happens.
primary-path
Configures an explicit path for the bypass LSP or dynamic bypass LSP.
priority
Sets the priority of a physical router in a VRRP router group.
priority-group-table
Defines the Priority Group ID (PGID) and the scheduling policy associated with it. Each PGID can be assigned one of 16 values. The valid values are [0-7] and [15.0-15.7]. The value range 0-7 indicate DWRR priority and the range 15.0-15.7 indicate Strict Priority values. This configuration and the priority-table configuration sets how traffic is handled when congestion occurs. For DWRR traffic, packets are dropped when PFC is not enabled for that flow.
priority-table
Maps the Priority Group Table entries to priority groups.
process-restart
Enables the process restart (PR) capability (for fault recovery) for BGP, IS-IS, MPLS, OSPFv2, and OSPFv3.
profile (LLDP)
Creates an LLDP profile.
profile (telemetry)
Designates telemetry profiles for telemetry collectors.
profile counters
Optimizes hardware counters.
profile etcam
Specifies external TCAM (ETCAM) profiles to support border profiles for Internet peering.
profile lag
Configures a LAG profile for hardware support.
profile qos
Sets the QoS profile for hardware.
profile route
Specifies the hardware route profile and maximum load-sharing path.
profile tcam
Optimizes hardware resources, by specifying a ternary content-addressable memory (TCAM) profile.
profile tcam cam-share
Enables TCAM sharing for security or policy-based routing (PBR) ACLs that are applied to multiple interfaces.
protocol
Configures the authentication protocol to use for communication with the Remote Authentication Dial-In User Service (RADIUS) server.
protocol cfm
Enables the CFM protocol globally on the devices and enter into the CFM Protocol Configuration mode.
protocol link-oam
Allows you to enter the link OAM global configuration mode.
protocol lldp
Enters the Link Layer Discovery Protocol (LLDP) configuration mode.
protocol loop-detection
Enables the loop detection (LD) feature globally and enters Protocol Loop Detection configuration mode.
protocol mvrp
Enables Multiple VLAN Registration Protocol (MVRP) globally on the device and accesses MVRP configuration mode.
protocol spanning-tree
Designates the context for spanning tree.
protocol udld
Enables and/or enters unidirectional link detection (UDLD) protocol configuration mode.
protocol vrrp
Globally enables Virtual Router Redundancy Protocol (VRRP).
protocol vrrp-extended
Globally enables VRRP-Extended.
prune-wait
Configures the amount of time a PIM device waits to stop traffic after receiving a Prune message from a neighboring device.
pw-profile
Creates a pseudowire (PW) profile that can be shared across multiple Virtual Private LAN Services (VPLS) bridge domains.
pw-profile (bridge domain)
Configures a pseudowire (PW) profile for a bridge domain.
python
Launches an interactive Python shell, with an option to launch a Python script.
qos cos
Changes the interface default Class of Service (CoS) value.
qos cos-mutation
Applies a user configured QoS CoS-to-CoS mutation map to an interface.
qos cos-mutation
Applies a CoS Mutation map on a physical or a port channel interface. Use this command to apply the all-zero-map special CoS Mutation map.
qos cos-traffic-class
Applies a Quality of Service (QoS) CoS-to-traffic class mutation map on an interface.
qos cpu slot
Configures the Traffic Manager CPU port shaper rate (all towers) to the line card CPU.
qos dscp-cos
Applies a user configured QoS DSCP-to-CoS mutation map to an interface.
qos dscp-mutation
Applies a user configured QoS DSCP mutation map to an interface.
qos dscp-traffic-class
Applies a user configured QoS DSCP-to-traffic- class mutation map to an interface.
qos-dscp-mode
This command is configures the mode selection for a VxLan Tunnel. When selected, the mode selection takes effect only at the Egress VTEP.
qos flowcontrol
Configures link-level flow control (IEEE 802.3x Flow Control) in the transmission and reception direction on an interface or enables priority flow control on a CoS of an SLX 9150 or SLX 9250 interface.
qos map cos-mutation
Creates a QoS map for performing CoS-to-CoS mutation.
qos map cos-mutation
Creates a QoS CoS mutation map.
qos map cos-traffic-class
Configures a QoS CoS-to-traffic-class mutation map.
qos map dscp-cos
Creates a QoS map where the ingress DSCP value is mapped to outgoing 802.1P values. This configures a DSCP-to-CoS map on the ingress interface.
qos map dscp-mutation
Creates a DSCP mutation by mapping the incoming DSCP value of the ingress packet to outgoing DSCP values.
qos map dscp-traffic-class
Creates a QoS map for performing DSCP-to-traffic class mapping. You use the qos traffic-class-dscp command to apply the map to an interface.
qos map traffic-class-cos
A QoS traffic class-to-CoS mutation map can be configured to create a priority mapping table using a traffic-class-cos map. The traffic class-to-CoS map is then applied to an egress interface to effect the priority re-mapping.
qos port-speed-up
Increases the egress throughput rate on a Traffic Manager port on 10G or 100G ports.
qos random-detect traffic-class
Configures Random Early Detect (RED) profile on a traffic class of an interface
qos red-profile
Configures a weighted random early detection (WRED) profile which includes the setting of the thresholds and drop probability by percentage. The command also enables or disable Explicit Congestion Notification (ECN) feature.
qos remark dscp
Enables Remark DSCP for physical and Port Channel interfaces.
qos rx-queue cos-threshold
Configures the QoS ingress queue cost of service (CoS) thresholds.
qos rx-queue multicast
Configures the multicast packet handling on an interface for virtual output queueing.
qos rx-queue unicast traffic-class
Configures the ingress queue unicast packet traffic class parameter on an Ethernet interface.
qos service-policy
Applies a policy map to all inbound traffic.
qos traffic-class
Applies a QoS default traffic class value to an interface.
qos traffic-class-cos
Applies a user configured QoS traffic class-to-CoS mutation map to an interface.
qos trust dscp
Enables Trust DSCP for Layer 2 Physical and Port Channel interfaces.
qos-mpls map dscp-exp
Creates and populates an MPLS QoS differentiated services code point (DSCP) to EXP mutation map.
qos-mpls map exp-dscp
Creates and populates an MPLS QoS EXP to differentiated services code point (DSCP) mutation map.
qos-mpls map exp-traffic-class
Creates and populates an MPLS QoS EXP to traffic class mutation map.
qos-mpls map-apply dscp-exp
Applies an MPLS DSCP to EXP mutation map globally.
qos-mpls map-apply exp-dscp
Applies an MPLS EXP to DSCP mutation map globally.
qos-mpls map-apply exp-traffic-class
Applies an MPLS EXP to traffic class mutation map globally.
qos-ttl-mode
Configures QoS support for MPLS policies and VXLAN Layer 2 gateways, Layer 3 gateways, and Layer 2 and Layer 3 gateway interconnections.
qos tx-queue scheduler strict-priority
Configures the strict priority (SP) value for the egress queue traffic class scheduler and assigns a deficit weighted round robin (DWRR) weight.

9039216-00 Rev AA

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