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network:switches:cisco:cli [2022/01/20 14:39] niziak |
network:switches:cisco:cli [2023/11/27 13:47] (current) niziak |
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+ | ===== LLDP ===== | ||
+ | <code> | ||
+ | enable | ||
+ | config terminal | ||
+ | lldp run | ||
+ | exit | ||
+ | copy run start | ||
+ | |||
+ | show lldp neighbors | ||
+ | </code> | ||
===== PoE ===== | ===== PoE ===== | ||
* ''show power inline'' | * ''show power inline'' | ||
+ | ===== Enable SNMP ===== | ||
+ | |||
+ | <code cli> | ||
+ | enable | ||
+ | configure terminal | ||
+ | snmp-server community public ro | ||
+ | snmp-server contact <itadmin@grinn-global.com> | ||
+ | snmp-server location GRINN - Serwerownia | ||
+ | exit | ||
+ | copy run start | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ===== RSTP ===== | ||
+ | |||
+ | <code> | ||
+ | show spanning-tree summary | ||
+ | enable | ||
+ | config | ||
+ | spanning-tree mode ? | ||
+ | spanning-tree mode rapid-pvst | ||
+ | |||
+ | spanning-tree vlan 1 priority 57344 | ||
+ | spanning-tree vlan 2 priority 57344 | ||
+ | spanning-tree vlan 28 priority 57344 | ||
+ | spanning-tree vlan 255 priority 57344 | ||
+ | exit | ||
+ | |||
+ | show spanning-tree bridge | ||
+ | |||
+ | wr | ||
+ | copy run star | ||
+ | |||
+ | </code> | ||
+ | |||
+ | Disable STP: | ||
+ | <code> | ||
+ | enable | ||
+ | config terminal | ||
+ | Switch(config)#no spanning-tree vlan 1 | ||
+ | wr | ||
+ | copy run star | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ===== Find MAC on ports ===== | ||
+ | |||
+ | <code> | ||
+ | |||
+ | sh mac address-table vlan 1 | ||
+ | </code> | ||
+ | |||
+ | show interface Gi0/40 | ||
+ | show controllers | ||
+ | |||
+ | |||
+ | ===== show port counters ===== | ||
+ | |||
+ | <code cli> | ||
+ | show interface counters | ||
+ | |||
+ | enable | ||
+ | clear counters | ||
+ | </code> | ||
+ | |||
+ | ===== diagnose port ===== | ||
+ | |||
+ | <code cli>show interface Gi0/17</code> | ||
+ | |||
+ | Using Time Domain Reflectometer | ||
+ | |||
+ | <code cli> | ||
+ | enable | ||
+ | test cable-diagnostics tdr int Gi0/17 | ||
+ | show cable-diagnostics tdr int Gi0/17 | ||
+ | </code> | ||