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Troubleshooting High CPU Utilization Caused by the HyBridge Input Process on Routers With ATM Interfaces
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This document explains how to troubleshoot high CPU utilization in a router due to the HyBridge Input process. ATM interfaces can support a large number of permanent virtual circuits (PVCs) configured to use request for comments...
www.cisco.com/en/US/tech/tk39/tk371/technologies_tech_note09186a0080093c91.shtml
05 Jun 2005
This document describes common symptoms and causes of high CPU utilization on Cisco routers, and provides troubleshooting guidelines and solutions.
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www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a00800a70f2.shtml
24 Jul 2008
...2007 Troubleshooting High CPU Utilization Caused by the HyBridge Input Process on Routers With ATM Interfaces 05/Jun/2005 Troubleshooting Line Problems...
www.cisco.com/en/US/tech/tk39/tk371/tsd_technology_support_troubleshooting_technotes_list.html
25 Apr 2005
This document describes the "Code Red" worm and the problems the worm can cause in a Cisco routing environment. This document also discusses techniques to prevent infestation of the worm, and provides links to related advisories that discuss solutions for worm-related...
www.cisco.com/en/US/products/hw/iad/ps397/products_tech_note09186a00800a73e9.shtml
20 Jun 2008
This document describes an end-to-end asymmetric digital subscriber line (ADSL) architecture that uses the Routed Bridged Encapsulation (RBE) feature for the Cisco 6400 Universal Access Concentrator (UAC). RBE was developed to address the known RFC1483 bridging issues, including...
www.cisco.com/en/US/tech/tk175/tk15/technologies_white_paper09186a0080093e56.shtml
07 Jun 2005
...process using the no atm router pnni and atm router pnni configuration...disable and enable the PNNI processes. •CSCdp33630...Packets are switched out on native VLANs leading to routing by the CPU (with BVI). This occurs on EPIF-based interface modules when untagged...the processing. This causes high CPU utilization if untagged packets...
www.cisco.com/en/US/docs/optical/l3_csr_atm_csr/12_1_26_e8/8540/release/notes/4026e8c.html
04 Sep 2007
...process using the no atm router pnni and atm router pnni configuration...disable and enable the PNNI processes. •CSCdp33630...Packets are switched out on native VLANs leading to routing by the CPU (with BVI). This occurs on EPIF-based interface modules when untagged...the processing. This causes high CPU utilization if untagged packets...
www.cisco.com/en/US/docs/optical/l3_csr_atm_csr/12_1_27b_e2/8540/release/notes/4027be22.html
18 Jun 2007
...pnni and atm router pnni configuration...and enable the PNNI processes. 23 Release...switched out on native VLANs...to routing by the CPU (with BVI). This...EPIF-based interface modules when...processing. This causes high CPU utilization if untagged...recognized by the new primary...replaced with the default...supported on Ethernet processor interface based Fast...On the ATM router module, the HyBridge Input P might cause high route processor utilization. Workaround...
www.cisco.com/en/US/docs/optical/l3_csr_atm_csr/12_1_27b_e2/8540/release/notes/4027be22.pdf
832KB
...process using the no atm router pnni and atm router pnni configuration...disable and enable the PNNI processes. • CSCdp33630...Packets are switched out on native VLANs leading to routing by the CPU (with BVI). This occurs on EPIF-based interface modules when untagged...the processing. This causes high CPU utilization if untagged packets...
www.cisco.com/en/US/docs/optical/l3_csr_atm_csr/12_1_26_e8/8540/release/notes/4026e8c.pdf
845KB
...Issue the sh interface command and...HPR, issue the sh snasw rtp...Step 7. Work with a specific...as advised by Cisco service...messages. High CPU Utilization If the router CPU utilization...investigate the cause to determine...Issue the show processes cpu command...then the IP Input process will...from the show interfaces, show interfaces...
www.cisco.com/en/US/technologies/tk331/tk336/tk897/technologies_white_paper09186a008011ff1b.html
20 May 2005
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