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This document explains why a Cisco IOS router may experience high CPU utilization due to either the Border Gateway Protocol (BGP) router process or the BGP scanner process, as shown in the output of the show process...
References: 36 TAC
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00809d16f0.shtml
25 Jul 2008
This document describes common symptoms and causes of high CPU utilization on Cisco routers, and provides troubleshooting guidelines and solutions.
References: 24 TAC | 3 Support Community - View All
www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a00800a70f2.shtml
24 Jul 2008
...Routing Failure) Troubleshooting High CPU Caused by the BGP Scanner or BGP Router Process Troubleshooting When BGP Routes Are...
www.cisco.com/en/US/tech/tk365/tk80/tsd_technology_support_sub-protocol_home.html
09 Oct 2010
This document contains five Border Gateway Protocol (BGP) case studies.
References: 57 TAC | 12 Support Community - View All
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800c95bb.shtml
30 Oct 2008
This document describes causes of high CPU utilization on Cisco Catalyst 6500/6000 Series Switches and Virtual Switching System (VSS) 1440 based systems.
References: 86 TAC | 1 Support Community - View All
www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a00804916e0.shtml
27 Aug 2012
This document describes the requirements,limitations,and benefitswhen you use peer groups with Border Gateway Protocol (BGP).
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093fb7.shtml
30 Oct 2008
This document illustrates how to achieve a high degree of optimal routing in an enterprise network connected to multiple Internet service providers (ISPs), while minimizing the memory requirements of the Border Gateway Protocol (BGP) routers. This is achieved by...
References: 46 TAC
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a83.shtml
28 Feb 2008
...33)SXI. The bgp log-neighbor-changes...enables logging of BGP neighbor status changes...and resets for troubleshooting network connectivity...resets might indicate high error rates or high packet loss in the network and should...investigated. Using the bgp log-neighbor-changes...logging does not cause a substantial performance...internal buffer of the router, and are not stored...
References: 11 TAC | 1 Support Community - View All
www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bgp1.html
20 Jul 2011
...fastest neighbors in the same group. However...desynchronization can cause a significant degradation...time, especially if the router is experiencing high CPU utilization. For this...Task ID Operations bgp read, write The following...
www.cisco.com/en/US/docs/routers/asr9000/software/routing/command/reference/rrasr9kbgp.html
09 Jul 2012
...2005 Troubleshooting High CPU Caused by the BGP Scanner or BGP Router Process 25/Jul/2008 Troubleshooting When BGP...
www.cisco.com/en/US/tech/tk365/tsd_technology_support_troubleshooting_technotes_list.html
25 Apr 2005