Description
Security and Access Control of Managed Switch
- Configure access control lists (ACLs) to restrict access to the switch. This can be done by creating a list of allowed IP addresses and applying it to the switch’s interfaces.
- Enable SSH and disable Telnet for remote access to the switch. SSH provides a secure method of accessing the switch while Telnet is not secure.
- Configure strong passwords for the switch’s login credentials and change them regularly.
- Enable port security on the switch’s interfaces to limit the number of MAC addresses that can be learned on a specific port.
- Configure SNMPv3 for remote management of the switch. SNMPv3 provides secure communication and authentication options.
- Enable 802.1X authentication on the switch’s interfaces to control access to the network. This can be done by configuring a RADIUS server and applying it to the switch’s interfaces.
- Configure port mirroring to monitor traffic on the switch’s interfaces. This can be used for troubleshooting and security purposes.
- Enable storm control to prevent broadcast and multicast storms on the switch’s interfaces.
- Enable dynamic ARP inspection (DAI) to prevent ARP spoofing attacks.
- Enable DHCP snooping to prevent DHCP spoofing attacks.
- Regularly check the switch’s logs for any suspicious activity and take appropriate actions if necessary.
- Keep the switch’s firmware and software up to date with the latest security patches.
- Regularly backup the switch’s configuration to ensure that it can be restored in case of any problems.
- Use a firewall to protect the switch and the network from external threats.
- Regularly monitor the network and the switch for any signs of intrusions or unusual activity.
Monitoring and Troubleshooting of 48 Ports Managed Switch
- Monitor switch performance using the Cisco Nexus dashboard. The dashboard provides real-time statistics on CPU utilization, memory utilization, and network traffic.
- Use the “show interface” command to check the status of the switch ports. This command will display the status of each port, including the number of packets sent and received, the number of errors, and the status of the port (up or down).
- Use the “show logging” command to view the switch’s system log. This log contains information about system events, such as switch reboots and configuration changes.
- Use the “show diagnostic” command to view diagnostic information about the switch. This command will display information about the switch’s hardware and software, as well as any error messages.
- Use the “show vlan” command to view information about the switch’s VLANs. This command will display the VLANs configured on the switch, along with information about the ports that are members of each VLAN.
- Use the “show system” command to view information about the switch’s system resources. This command will display information about the switch’s CPU, memory, and storage.
- Use the “show version” command to view information about the switch’s software version. This command will display the version of the switch’s operating system and any other software that is running on the switch.
- Use the “show tech-support” command to collect detailed information about the switch for troubleshooting. This command will collect information about the switch’s configuration, hardware, and software, which can be used to diagnose problems.
- Use the “show running-config” command to view the switch’s current configuration. This command will display the switch’s current configuration, including all the commands that have been entered to configure the switch.
- Use the “show ip route” command to view the routing table of the switch. This command will display the switch’s routing table, including the next-hop IP addresses and the metrics used to determine the best path to a destination.
- Use the “ping” command to test connectivity between the switch and other devices on the network. This command will send an ICMP echo request to a specified IP address and display the results, including the number of packets sent, received, and lost, and the round-trip time.
- Use the “traceroute” command to check the path between the switch and a destination device. This command will display the route taken by the packets between the switch and the destination device, including the IP addresses of each hop in the path.
Network Management Features of Ethernet Switch
- Cisco Nexus Operating System (NX-OS) – The N5K-C5548UPM-B-S48 switch runs on Cisco’s proprietary operating system that provides advanced features and scalability for data center networks.
- Layer 2 and Layer 3 switching – The switch supports both Layer 2 and Layer 3 switching, providing flexibility for network design and deployment.
- VLANs and VLAN Trunking – The switch supports VLANs and VLAN Trunking, allowing for segmentation of the network and improved security.
- Quality of Service (QoS) – The switch supports QoS, allowing for prioritization of network traffic based on different criteria.
- Link Aggregation Control Protocol (LACP) – The switch supports LACP, allowing for the creation of link aggregation groups for increased bandwidth and redundancy.
- Access Control Lists (ACLs) – The switch supports ACLs, providing granular control over network access and security.
- IPv4 and IPv6 – The switch supports both IPv4 and IPv6, providing flexibility for network design and future-proofing.
- Virtual PortChannel (vPC) – The switch supports vPC, allowing for the creation of virtual PortChannels to improve network resiliency and scalability.
- Virtual Extensible LAN (VXLAN) – The switch supports VXLAN, providing a scalable and efficient solution for multi-tenancy in data center networks.
- Network Management – The switch supports various network management features, including SNMP, Syslog, and Cisco Prime Infrastructure for centralized management and monitoring of the network.
- Security features – The switch has various security features like SSH, SSL, and Radius/TACACS+ for secure access and authentication to the switch.
- Software-defined Networking (SDN) – The switch is compatible with SDN controllers like Cisco Application Centric Infrastructure (ACI) for programmable and automated network management.
General Information:
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number N5K-C5548UPM-B-S48
- Brand Name Cisco
- Device Type Switch – 48 ports – managed – with 8x Cisco MDS 9000 Family 2/4/8-Gbps Fibre Channel-Shortwave, SFP+, LC (DS-SFP-FC8G-SW)
- Enclosure Type Rack-mountable 1U
- Subtype 10 Gigabit Ethernet
- Ports 48 x SFP+
Performance
- Forwarding performance: 960 Gbps
- MAC Address Table Size 32K entries
- Jumbo Frame Support 9216 bytes
- Remote Management Protocol SNMP 1, SNMP 2, RMON, Telnet, SNMP 3, SSH-2, CLI
- Encryption Algorithm AES
- Authentication Method RADIUS, TACACS+, MS-CHAP, Secure Shell v.2 (SSH2)
Features
- Layer 2 switching, ARP support, VLAN support, Syslog support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, Multicast Storm Control, Unicast Storm Control, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, Rapid Per-VLAN Spanning Tree Plus (PVRST+), Link Aggregation Control Protocol (LACP)
- Compliant Standards IEEE 802.3, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.3ae, IEEE 802.1s, IEEE 801.1p
Expansion / Connectivity
- Interfaces 48 x SFP+ ¦ 1 x 1000Base-T RJ-45 management ¦ 1 x console management
- Expansion Slots 1 (total) / 0 (free) x expansion slot
Environmental Parameters
- Max Operating Temperature 104 °F
- Humidity Range Operating 5 – 95% (non-condensing)
- Min Storage Temperature -40 °F
- Max Storage Temperature 158 °F
Power
- Power Device Internal power supply – hot-plug
- Installed Qty 2
- Power Redundancy Yes
- Power Redundancy Scheme 1+1
- Voltage Required AC 120/230 V (50/60 Hz)
- Power Consumption Operational 600 Watt
Miscellaneous
- Compliant Standards CISPR 22 Class A, BSMI CNS 13438 Class A, CISPR 24, EN 61000-3-2, VCCI Class A ITE, EN 61000-3-3, EN55024, EN55022 Class A, AS/NZS 60950-1, ICES-003 Class A, RoHS, FCC CFR47 Part 15, EN300-386, IEC 60950-1, EN 60950-1, UL 60950-1 Second Edition, GB 4943, CAN/CSA C22.2 No. 60950-1
