That requires inter-AS advertising of specific prefixes, you may need a back-and-forth of traffic. However, in some instances, such as in a central firewall It detects its own AS number in the AS Path of the received BGP packet. Ensure that you reload the router after configuring the native mode.Īllow an AS Path using the router ASN on Cisco Network Convergence System 5700 Series RoutersīGP prevents traffic looping based on the verification of AS numbers in the AS Path. To enable the native mode on Cisco NCS 5500 series routers having Cisco NC57 line cards, use the hw-module profile npu native-mode-enable command in the configuration mode. Series routers that have the Cisco NC57 line cards installed and operating in the native or compatibility mode. Unless specified the following features are not supported on the Cisco 5700 series fixed port routers and the Cisco NCS 5500 To learn about features introduced in other Cisco IOS XR releases, select the release from the Documentation Landing Page.
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