Switch Desk - paste show running-config and show interface, get the change

Paste one Cisco IOS or IOS-XE device's own output - show running-config and show interfaces, together or separately, prompts and all - and work it through a maintenance window in two lanes over the same paste. The config lane names every defect with its severity, its blast radius and the exact ordered command lines that fix it, plus a matching rollback and a change plan whose verification steps are read-only. The health lane grades every interface in the show output, says which layer it is failing at - physical, datalink, config, capacity or control-plane - and groups the symptoms into root causes each with one read-only test that tells it apart from its nearest rival. A free in-browser prescan runs first and costs nothing: it does the subnet arithmetic for every addressed interface and catches an interface addressed as its own network or broadcast, proves ACL rule shadowing by comparing normalised prefixes rather than text, rejects non-contiguous netmasks and wildcard masks as the typos they are, turns raw error counters into rates per million frames, reads the duplex-mismatch signature properly, and cross-references the two halves of the paste against each other to find a port configured one way and running another. Generated configuration is read before it is shown: a destructive command, or a shutdown aimed at an interface this device's own description calls an uplink or a management port, is surfaced as a warning. Derived from two agent skills by @affaan-m: @affaan-m/cisco-ios-patterns drives the config lane and @affaan-m/network-interface-health drives the health lane. Not affiliated with those skills' author, and not affiliated with or endorsed by Cisco Systems.

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