Description of Trace Options

This section shows descriptions of all trace options.

Common Trace options

These event options are common among all protocol option tables:

Trace option	Description
`all`	Trace all the routing events.
`general`	Trace the events related to `normal` and `route` options.
`normal`	Trace all the normal protocol occurrences. Abnormal protocol occurrences are always traced.
`policy`	Trace the application of protocol- and user-specified policy to imported and exported routes.
`route`	Trace the routing table changes.
`state`	Trace the state machine transitions in the protocols.
`task`	Trace the system interface and processing events.
`timer`	Trace the timer usage events.
`cluster`	Trace the cluster-specific events.

For options that are unique to each protocol, see relevant protocol sections below.

Global Trace options

These event options are specific to Global options table:

Trace option	Description
`adv`	Trace the allocation of and freeing of policy blocks.
`parse`	Trace the lexical analyzer and parser events.

Kernel Trace Options

These event options are specific to Kernel options table:

Trace option	Description
`iflist`	Trace `iflist`, the interface list scan.
`interface`	Trace interface status kernel messages.
`packets`	Trace kernel packets.
`remnants`	Trace kernel routes at the time when the routing daemon starts.
`request`	Trace add, delete, or change route requests in the kernel forwarding table.
`routes`	Trace routes that are exchanged with the kernel, including add, delete, or change messages and add, delete, or change messages received from other processes.

OSPFv2 for IPv4 Trace Options

These event options are specific to OSPF for IPv4 options table:

Trace option	Description
`ack`	Trace link-state acknowledgment packets.
`dd`	Trace database description packets.
`dr`	Trace designated router packets.
`hello`	Trace hello packets.
`lsa`	Trace link-state advertisement packets.
`packets`	Trace all OSPF packets.
`request`	Trace link-state request packets.
`spf`	Trace shortest-path-first (SPF) calculation events.
`trap`	Traces OSPF trap packets.
`update`	Trace link-state updates packets.

OSPFv3 for IPv6 Trace Options

These event options are specific to OSPFv3 for IPv6 options table:

Trace option	Description
`ack`	Trace link-state acknowledgment packets.
`dd`	Trace database description packets.
`dr`	Trace designated router packets.
`hello`	Trace hello packets.
`lsa`	Trace link-state advertisement packets.
`packets`	Trace all OSPF packets.
`request`	Trace link-state request packets.
`spf`	Trace shortest-path-first (SPF) calculation events.
`trap`	Traces OSPF trap packets.
`update`	Trace link-state updates packets.

BGP Trace Options

These event options are specific to BGP options table:

Trace option	Description
`keepalive`	Trace all the BGP keepalive messages to this peer. These messages are used to verify peer reachability.
`open`	Trace all the BGP open messages to this peer. These messages are used to establish a peer connection.
`packets`	Trace all the BGP events.
`update`	Trace all the BGP update messages to this peer. These messages are used to pass network reachability information.

Cluster Trace Options

There are no event options that are specific to Cluster options table.
Use options that are common for all protocols. See Common Trace options.

PIM Trace Options

These event options are specific to PIM options table and apply to Dense-Mode and Sparse-Mode implementations:

Trace option	Description
`all`	Trace all PIM messages.
`assert`	Trace PIM assert messages.
`hello`	Trace PIM router hello messages.
`join`	Trace PIM join/prune messages.
`mfc`	Trace calls to or from the multicast forwarding cache
`mrt`	Trace PIM multicast routing table events.
`packets`	Trace all PIM packets.
`trap`	Trace PIM trap messages.

These event options are specific to PIM options table and apply to Sparse-Mode implementation only:

Trace option	Description
`bootstrap`	Trace bootstrap messages.
`crp`	Trace candidate-RP-advertisements.
`register`	Trace register and register-stop packets.
`rp`	Trace RP-specific events, including RP set-specific and bootstrap-specific events.

This event option is specific to PIM options table and applies to Dense-Mode implementation only:

Trace option	Description
`graft`	Trace graft and graft acknowledgment packets.

IGMP Trace Options

These event options are specific to IGMP options table:

Trace option	Description
`group`	Trace multicast group add, delete, refresh and accelerated leave events.
`leave`	Trace IGMP "leave group" messages.
`mtrace`	Trace IGMP multicast traceroute events.
`packets`	Trace all IGMP packets.
`query`	Trace IGMP membership query packets (both general and group-specific).
`report`	Trace IGMP membership report packets (both IGMPv1 and IGMPv2).
`request`	Trace IGMP multicast traceroute request packets.

Bootp / DHCP Relay for IPv4 Trace Options

These event options are specific to Bootp/DHCP Relay for IPv4 options table:

Trace option	Description
`packets`	Trace all sent and received Bootp/DHCP for IPv4 packets.
`request`	Trace all Bootp/DHCP for IPv4 requests.
`response`	Trace all Bootp/DHCP for IPv4 responses.

DHCP Relay for IPv6 Trace Options

These event options are specific to DHCP Relay for IPv6 options table:

Trace option	Description
`packets`	Trace all sent and received DHCP Relay for IPv6 packets.
`reply`	Trace all DHCP Relay for IPv6 responses.
`request`	Trace all DHCP Relay for IPv6 requests.

ICMP Trace Options

These event options are specific to ICMP options table:

Trace option	Description
`error`	Trace ICMP error packets: time exceeded parameter problem unreachable source quench
`info`	Trace ICMP informational packets: mask request/response info request/response echo request/response time stamp request/response
`packets`	Trace all ICMP packets.
`router-discovery`	Trace ICMP router discovery packets.

ICMP Router Discovery for IPv4 Trace Options

There are no event options that are specific to ICMP Router Discovery for IPv4 options table.
Use options that are common for all protocols. See Common Trace options.

ICMP Router Discovery for IPv6 Trace Options

There are no event options that are specific to ICMP Router Discovery for IPv6 options table (available in R77.30).
Use options that are common for all protocols. See Common Trace options.

IP Reachability Detection Trace Options

These event options are specific to IP Reachability Detection options table:

Parameter	Description
`packets`	Trace the IP Reachability Detection packets.

BFD Trace Options

These event options are specific to Bidirectional Forwarding Detection (BFD) options table:

Parameter	Description
`address`	Trace the BFD IP addresses.
`auth`	Trace the BFD Authentication.

IP Broadcast Helper Trace Options

These event options are specific to IP Broadcast Helper options table:

Trace option	Description
`packets`	Trace all IP Broadcast Helper packets.

VRRPv2 for IPv4 Trace Options

This event option is specific to VRRPv2 for IPv4 options table:

Trace option	Description
`advertise`	Trace all VRRPv2 for IPv4 packets.

VRRPv3 for IPv6 Trace Options

This event option is specific to VRRPv3 for IPv6 options table:

Trace option	Description
`advertise`	Trace all VRRPv3 for IPv6 packets.

Policy Based Routing Trace Options

These event options are specific to Policy Based Routing (PBR) options table:

Trace option	Description
`rule`	Trace all the PBR rules.
`table`	Trace all the PBR tables.

MFC Trace Options

These event options are specific to Multicast Forwarding Cache (MFC) options table:

Trace option	Description
`alerts`	Trace multicast protocol alert callback events.
`cache`	Trace cache maintenance log details: addition or deletion of orphan entries (entries with no route to source) addition or deletion of normal entries cache state aging and refresh entries
`interface`	Trace log changes requested by external `routed` modules (IGMP and multicast routing protocols) that affect the forwarding dependencies on an interface: addition or deletion of a forwarding interface due to routing changes changing of the parent (reverse path forwarding) interface due to routing changes
`mcastdist`	Trace generic kernel multicast distribution and PIM register encapsulation and decapsulation entries.
`packets`	Trace all MFC packets.
`resolve`	Trace normal kernel and PIM register external resolve requests.
`wrongif`	Trace kernel multicast incoming physical interface and PIM register violation notifications.

RIP for IPv4 Trace Options

This event option is specific to RIP for IPv4 options table:

Trace option	Description
`packets`	Trace all RIP packets.

RIPng for IPv6 Trace Options

This event option is specific to RIPng for IPv6 options table:

Trace option	Description
`packets`	Trace all RIPng packets.