Hands-on CCNA and CCNP practice labs — OSPF, VLANs, ACLs, routing, NAT and more, each a real Cisco Modeling Labs scenario you build and grade against the answer key.
Browse the 19 free labsBrowse by theme: all practice topics or certification tracks.
Build a two-router, one-access-switch lab with a client and a server. Establish basic IP connectivity with static routing, then implement an extended IPv4 ACL inbound on the client-facing interface to permit SSH and HTTP to the server while denying Telnet and ICMP echo. Validate from the client and review ACL hit counters for proof.
Hands-on CCNA campus switching lab with two Layer-2 switches and three VLANs (Users 10, Servers 20, Management 99) extended over a single 802.1Q trunk. Learners deploy VLANs and access ports, harden the trunk (native VLAN 999, explicit allow-list, nonegotiate), and validate isolation. The lab ships with a trunk-carried outage: VLAN 10 traffic reaches its gateway successfully, but VLAN 20 traffic does not. You will diagnose from end hosts, confirm switch states, and correct the trunk so that same-VLAN traffic to the gateway SVI succeeds while inter-VLAN forwarding remains absent.
Configure VLANs and 802.1Q trunks across two access switches with a router-on-a-stick gateway. Intentionally misconfigure the native VLAN and trunk allow-list to observe loss of intra-VLAN connectivity, detect the mismatch using switch warnings and show commands, and then remediate to restore user reachability. Validates VLAN segmentation, trunking symmetry, and troubleshooting skills for CCNA candidates.
Configure VLANs and access ports on two Layer-2 switches, build 802.1Q trunks (with hardened native VLAN and an explicit allowed list), validate end-to-end reachability, intentionally prune a VLAN from the inter-switch trunk to observe segmentation, then restore the correct allow-list. Includes realistic router-on-a-stick gateways for VLAN 10/20/99 and switch management on VLAN 99.
Advanced CCNA L2 troubleshooting in a compact branch. Some PCs can't reach their default gateway or other departments across two switches and a router-on-a-stick gateway, and your monitoring system has flagged a switching/trunking problem on the path. Validation is performed from the endpoints (Alpine hosts) using pings and ARP, and trunks are hardened with a non-default native VLAN.
Build and verify an 802.1Q trunk between two access switches that cleanly transports VLAN 10 end-to-end while intentionally pruning VLAN 20. You will configure access ports, create VLANs, set a hardened dot1Q trunk with a non-default native VLAN, and validate host reachability and isolation from endpoints.
Hands-on CCNA VLAN lab: build VLANs with names, assign access ports, harden and verify 802.1Q trunks, and troubleshoot a broken allow-list that prevents a VLAN from traversing the SW1–SW2 trunk. Includes router-on-a-stick gateways, management VLAN, and end-host validation.
Build VLANs across two access switches with an 802.1Q trunk and a router uplink. Verify that hosts in the same VLAN can communicate (even across switches) while hosts in different VLANs cannot. Then troubleshoot a failure caused by a trunk allow-list misconfiguration.
Hands-on CCNA VLAN and trunking lab: assign access ports by interface range, build and harden 802.1Q trunks, set a dedicated native VLAN, correct a misassigned user port, and verify VLAN membership. Includes a cross-switch path with a router-on-a-stick gateway, tests from real hosts, and troubleshooting of trunk allow-lists and native VLAN mismatches.
Hands-on CCNA lab to practice creating VLANs on a single Layer-2 switch and assigning access ports. You will segment a flat network into two VLANs, place hosts into the right VLAN, and verify that intra-VLAN pings succeed while inter-VLAN pings fail (no routing present). Includes realistic verification and troubleshooting.
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Configure a two-switch access layer with data and voice VLANs on access ports and an 802.1Q trunk between switches. Add a router-on-a-stick gateway for VLAN 10/20. Verify VLAN placement, trunk status, and observe a connectivity failure caused by an allow-list misconfiguration on the inter-switch trunk—then correct it to restore intra-VLAN reachability.
Configure a default route on a branch edge router and a return static route on an upstream core router to enable full bidirectional connectivity between a stub branch LAN and a core server LAN. Verify the S* default route, gateway of last resort, and end-to-end reachability from real hosts. Troubleshoot missing default or return paths.
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Free labs need no subscription at all: every lab you can build and grade without one is the sample, plus the opening lab of each series.