Tag: Network Troubleshooting

17.7.6 Packet Tracer - Troubleshooting Connectivity Issues (Instructor Version) 17.7.7 Packet Tracer - Troubleshoot Connectivity Issues Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Topology Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 172.16.1.1 255.255.255.0 …

13.2.7 Packet Tracer - Use Ping and Traceroute to Test Network Connectivity (Instructor Version – Optional Packet Tracer) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Addressing Table Device Interface IP Address / Prefix Default Gateway R1 G0/0 2001:db8:1:1::1/64 …

13.2.6 Packet Tracer - Verify IPv4 and IPv6 Addressing (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Topology Addressing Table Device Interface IP Address / Prefix Default Gateway R1 G0/0 10.10.1.97 255.255.255.224 N/A R1 G0/0 2001:db8:1:1::1/64 N/A …

10.3.5 Packet Tracer - Troubleshoot Default Gateway Issues (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Topology Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 192.168.10.1 255.255.255.0 N/A G0/1 192.168.11.1 255.255.255.0 N/A S1 …

12.6.2 Packet Tracer - Troubleshooting Challenge - Use Documentation to Solve Issues (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Addressing Table Device Interface Device Type (router, switch, host) IP Address Subnet Mask Default Gateway PC1 NIC …

12.5.13 Packet Tracer - Troubleshoot Enterprise Networks (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Objectives Part 1: Verify Switching Technologies Part 2: Verify DHCP Part 3: Verify Routing Part 4: Verify WAN Technologies Part 5: Verify …

5.5.1 Packet Tracer - IPv4 ACL Implementation Challenge (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Addressing Table Device Interface IP Address HQ G0/0/0 192.168.1.1/26 G0/0/1 192.168.1.65/29 S0/1/0 192.0.2.1/30 S0/1/1 192.168.3.1/30 Branch G0/0/0 192.168.2.1/27 G0/0/1 192.168.2.33/28 S0/1/1 …

2.6.6 Packet Tracer - Verify Single-Area OSPFv2 (Instructor Version) Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 172.16.1.1 255.255.255.0 N/A G0/1 64.100.54.6 255.255.255.252 S0/0/0 172.16.3.1 255.255.255.252 S0/0/1 …

17.7.7 Lab - Troubleshoot Connectivity Issues 17.7.6 Lab - Troubleshoot Connectivity Issues Topology Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0/0/1 192.168.1.1 255.255.255.0 N/A G0/0/0 10.1.1.1 255.255.255.252 N/A ISP G0/0/0 10.1.1.2 255.255.255.252 N/A Lo0 209.165.200.226 255.255.255.255 N/A S1 VLAN 1 192.168.1.2 255.255.255.0 192.168.1.1 PC-A …

15.4.8 Lab - Observe DNS Resolution Objectives Part 1: Observe the DNS Conversion of a URL to an IP Address Part 2: Observe DNS Lookup Using the nslookup Command on a Web Site Part 3: Observe DNS Lookup Using the nslookup Command on Mail Servers Background / Scenario …