Glossary · Network and IT fundamentals
LLDP and CDP (neighbor discovery)
Protocols by which a device announces itself to its directly connected neighbors (LLDP is the standard; CDP is Cisco (opens in a new tab)’s), so each side knows what is on the other end of a link.
In REAP
The source of the physical topology REAP discovers and of the “what is actually wired” facts behind its planning and impact analysis.
Related terms
More in network and IT fundamentals
- ACL (access control list)
- Active/standby (high availability pair)
- API (application programming interface)
- Availability zone (AZ)
- BGP (Border Gateway Protocol)
- Change window and maintenance window
- CLI (command-line interface)
- Cloud controller
- Cloud network constructs
- CMDB (configuration management database)
- CRC errors
- DHCP and DHCP relay
- DNS
- ERP and MES
- Escalation
- EVPN and VXLAN (overlay fabrics)
- Firewall
- Firmware and software upgrade
- Flow records (NetFlow, IPFIX)
- HSRP and VRRP (first-hop redundancy)
- Hybrid cloud
- Interface counters
- ITSM
- Kubernetes
- Leaf-spine fabric
- Method of procedure (MOP)
- MLAG and MC-LAG (multi-chassis link aggregation)
- Monitoring and NMS
- MTU (maximum transmission unit)
- NAT (network address translation)
- Network operating system (NOS)
- NOC (network operations center)
- NTP (network time)
- Object group
- On-call
- Operational technology (OT)
- OSPF (Open Shortest Path First)
- Outage and degradation
- Path trace
- Port-channel (link aggregation, LACP)
- Postmortem
- Pre-check and post-check
- Priority and severity (P1 to P4)
- QoS (quality of service)
- Reachability probe
- RPO and RTO
- Running and startup configuration
- SD-WAN
- Security advisory (PSIRT)
- SNMP
- Spanning tree (STP)
- SSH
- Standard operating procedure (SOP)
- Streaming telemetry
- Syslog
- Vendor TAC case
- VLAN (virtual LAN)
- VPN
- VTY lines
Bring us your last P1.
Keep the root cause to yourself; in a 30-minute session we walk through how REAP would have investigated it, evidence first. The replay on your own network happens inside the proof of value.