Chapter 1 Configuring Interfaces and Circuits

Configuring Circuits

Configuring Circuit-IP Redirects

By default, the transmission of Internet Control Message Protocol (ICMP) redirect messages is enabled. To disable the transmission of ICMP redirect messages, enter:

(config-circuit-ip[VLAN7-172.16.6.58])# no redirects

To reenable the transmission of ICMP redirect messages, use the redirects command. For example:

(config-circuit-ip[VLAN7-172.16.6.58])# redirects

Configuring Circuit-IP Unreachables

By default, the transmission of ICMP Destination Unreachable is enabled. To disable the transmission of ICMP Destination Unreachable messages, enter:

(config-circuit-ip[VLAN7-172.16.6.58])# no unreachables

Use the unreachables command to enable the transmission of ICMP Destination Unreachable messages. The default state is enabled.

For example:

(config-circuit-ip[VLAN7-172.16.6.58])# unreachables

Configuring Router-Discovery Preference for a Circuit IP Interface

To enable router discovery and configure the router discovery preference value for a circuit IP interface, use the router-discoverycommand. When enabled, router discovery transmits packets with the “all-hosts” multicast address of 244.0.0.1.

Note To enable an interface to transmit packets with the limited broadcast multicast address of 255.255.255.255, use the router-discoverylimited-broadcastcommand in circuit mode (see the “Configuring Router-DiscoveryLimited-Broadcast”section). Router discovery is disabled by default.

 

 

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Cisco Systems OL-8241-02 manual Configuring Circuit-IP Redirects, Configuring Circuit-IP Unreachables

OL-8241-02 specifications

Cisco Systems OL-8241-02 is a significant component of Cisco's extensive portfolio, catering specifically to the needs of enterprise-level networking. This module is designed to provide advanced routing capabilities, aiding organizations in achieving robust connectivity and efficient data transmission across their networks. It is particularly popular among businesses that require reliable performance and scalability.

One of the main features of the OL-8241-02 module is its support for multiple protocols, including OSPF, EIGRP, and BGP, which allows for seamless integration into various network configurations. This flexibility ensures that organizations can adapt to evolving networking demands without undergoing complete infrastructure overhauls. Furthermore, the module includes advanced security features, such as IPsec VPN support and integrated firewall capabilities, enhancing overall network security and protecting sensitive data from potential threats.

Another noteworthy characteristic of the OL-8241-02 is its exceptional performance metrics. With high throughput rates and low latency, the module can handle significant amounts of data traffic without compromising on speed. This efficiency is particularly critical for businesses that rely heavily on real-time data applications, such as video conferencing and online collaboration tools.

The OL-8241-02 also incorporates cutting-edge technologies like Quality of Service (QoS), which prioritizes network traffic based on application requirements. This feature is essential for ensuring that critical applications receive the bandwidth they need, while less critical tasks can be deprioritized during peak usage times. Additionally, the module supports IPv6, which is vital for organizations looking to future-proof their network infrastructure amid the global transition from IPv4.

The ease of management is another highlight of the OL-8241-02, with user-friendly interfaces and compatibility with Cisco's robust management software. This capability allows IT teams to monitor performance metrics, troubleshoot issues, and configure settings with minimal complexity.

In summary, the Cisco Systems OL-8241-02 module stands out for its versatility, performance, and security features. Equipped with the ability to support various protocols, advanced security measures, and efficient traffic management, it proves to be a reliable choice for enterprises aiming to enhance their networking capabilities and ensure seamless operational continuity.