network_stuff:cisco:ios
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| network_stuff:cisco:ios [2022/02/01 14:33] – jotasandoku | network_stuff:cisco:ios [2024/10/02 11:48] (current) – jotasandoku | ||
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| __**IOS NEW HARDWARE SETUP INITIAL CONFIGURATION**__\\ | __**IOS NEW HARDWARE SETUP INITIAL CONFIGURATION**__\\ | ||
| + | - If this is a used device, remove the configuration and the vlan database | ||
| + | - write erase ; reload **without saving the configuration** | ||
| + | - delete flash: | ||
| + | - reload again | ||
| - Add IP in the mgmt interface. Normally g0/0 | - Add IP in the mgmt interface. Normally g0/0 | ||
| - Add a static route in mgmt interface. It needs to be in the mgmt vrf | - Add a static route in mgmt interface. It needs to be in the mgmt vrf | ||
| Line 44: | Line 48: | ||
| __**COPY FILES FROM AND TO LINUX BOX**__\\ | __**COPY FILES FROM AND TO LINUX BOX**__\\ | ||
| ** scp needs to be enabled in the switch. Also in some cases this aaa needs to be in for authentication ** | ** scp needs to be enabled in the switch. Also in some cases this aaa needs to be in for authentication ** | ||
| + | \\ | ||
| + | Regarding TFTP, remember that it uses udp-69 just for the initial message but then it uses 64001 through 65000 as ports are specific per each session (both in src and dst). | ||
| + | |||
| aaa new-model | aaa new-model | ||
| aaa authentication login default local | aaa authentication login default local | ||
| Line 375: | Line 382: | ||
| Netflow status: | Netflow status: | ||
| show platform hardware capacity netflow | show platform hardware capacity netflow | ||
| + | show mls sampling | ||
| + | show ip flow export # To see see Netflow packets being exported from router | ||
| + | show mls nde # Netflow Data Export | ||
| + | show mls netflow table-contention summary # To see if there is excessive Netflow CAM Utilization (and potential buffer overflows) | ||
| + | |||
| | | ||
| \\ | \\ | ||
| Line 384: | Line 396: | ||
| show ip cef < | show ip cef < | ||
| show ip cef exact-route <src> <dst> | show ip cef exact-route <src> <dst> | ||
| + | show ip cef 10.1.93.0/ | ||
| [[http:// | [[http:// | ||
| * receive: for connected IP subnets for the base address of the IP subnet and for the local IP address in the IP subnet. | * receive: for connected IP subnets for the base address of the IP subnet and for the local IP address in the IP subnet. | ||
| Line 536: | Line 549: | ||
| **CABLE TESTING**: | **CABLE TESTING**: | ||
| test cable-diagnostics tdr interface | test cable-diagnostics tdr interface | ||
| + | show cable-diagnostics | ||
| + | ---- | ||
| + | ==== CISCO DNAC AND NDO ==== | ||
| + | ( CATALYST CENTER AND NEXUS DASHBOARD ORCHESTRATOR ) | ||
| + | |||
| + | * You cannot run Catalyst Centre (DNAC) and NDO on the same VM/ Appliance. | ||
| + | * Cisco have DNAC/ NDO appliances which are built on UCS platforms but sold as appliances (bundled h/w s/w). | ||
| + | === DNAC platform support=== | ||
| + | * DNAC offers flexible deployment options. It can be deployed on a hardware appliance or as a virtual appliance, on either VMware ESXi or AWS. | ||
| + | * DNAC can be run as 1 node 3 or 5 node clusters – base level is 1 node for **lifecycle and assurance** (recommend 3+nodes for fabric deployments) [[https:// | ||
| + | === NDO platform support === | ||
| + | * NDO Cisco Nexus Dashboard portfolio comprises physical, virtual, and cloud form factors also – base level is 1 to 3 nodes (up to 9 in a cluster) | ||
| + | * [[https:// | ||
| + | * [[https:// | ||
| + | * NOTE: Onboarding standalone switches is supported only on 3-node physical clusters. | ||
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