面向系统、网络、安全与运维管理员的实用工具。

NET

网络桌

寻址、DNS、端口,以及数据包安静的算术。先做计算器;查阅保持短小。

961–984 / 1037

EIGRP Feasible Successor Calculator

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Determine successors and feasible successors. The result stays on this page.

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BGP Timer Calculator

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Keepalive/hold timer and convergence estimates. The result stays on this page.

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BGP Dampening Calculator

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BGP Dampening Calculator. Penalty and suppress time calculator. The result stays on this page.

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AS Number Converter

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Convert between asplain and asdot notation. The result stays on this page.

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Private ASN Checker

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Check whether an ASN is private/reserved. The result stays on this page.

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Policy-Based Routing Builder

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Policy-Based Routing Builder. Build PBR policies from criteria. The result stays on this page.

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Route Redistribution Planner

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Plan redistribution with tags to avoid loops. The result stays on this page.

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VRF Planner

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VRF Planner. The result stays on this page.

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MPLS Label Stack Decoder

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MPLS Label Stack Decoder. Decode MPLS label stack values. The result stays on this page.

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IS-IS NET Address Generator

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IS-IS NET Address Generator. Generate IS-IS NET from loopback IP. The result stays on this page.

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First-Hop Redundancy Planner

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Plan HSRP/VRRP priorities and preemption. The result stays on this page.

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Convergence Time Estimator

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Estimate failover time from protocol timers. The result stays on this page.

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Multicast PIM RP Planner

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Multicast PIM RP Planner. Plan RP placement and group ranges. The result stays on this page.

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IPv6 Header Decoder

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IPv6 Header Decoder. Decode IPv6 header fields from hex. The result stays on this page.

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CRC32 Calculator

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CRC32 Calculator. Compute CRC32/Ethernet FCS. The result stays on this page.

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CoS to DSCP Mapping Table

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CoS to DSCP Mapping Table. Default CoS-DSCP maps by vendor. The result stays on this page.

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EtherType Lookup

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EtherType Lookup. Look up EtherType values. The result stays on this page.

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IP Protocol Number Lookup

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IP Protocol Number Lookup. Look up IP protocol numbers. The result stays on this page.

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DHCP Option 121 Generator

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DHCP Option 121 Generator. Classless static route option encoder. The result stays on this page.

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TCP State Diagram Explorer

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TCP State Diagram Explorer. Interactive TCP state machine. The result stays on this page.

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iperf3 Result Analyzer

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iperf3 Result Analyzer. Parse iperf3 JSON output into charts. The result stays on this page.

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Counter Wrap Calculator

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Counter Wrap Calculator. 32/64-bit counter wrap times by speed. The result stays on this page.

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Flow Sampling Calculator

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Sampling rate accuracy for NetFlow/sFlow. The result stays on this page.

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Monitoring Polling Load Calculator

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Polling load from devices, OIDs and interval. The result stays on this page.

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