David Damerjian

Member Since: Jan 24, 2012

English
David Damerjian's Activity on Cisco Support Community
Currently displaying 35 results

David Damerjian has commented on Troubleshooting Radius issues

2 years 9 months ago
The call will stay up if RADIUS goes down after connected, a connection does...

David Damerjian has created Determining name of a crash core file which includes the crash time in hex

2 years 11 months ago
The crash core file name includes, amongst other text, the card number, cpu...

David Damerjian has created Determining direction of Link Aggregation (LAG) switch using SNMP traps for ASR55K

3 years 3 weeks ago
LAG (Link Aggregation) SNMP traps that represent a switch from one LAG group of...

David Damerjian has created Terminology of Public versus Private pool definitions compared with internet routable versus non-internet-routable IP pool addresses

3 years 1 month ago
The terms Public versus Private IP pools, while simple to understand, may be...

David Damerjian has created How does the NAT system know not to NAT subscriber IP addresses from an IP pool containing publically routable addresses

3 years 1 month ago
The NAT (Network Address Translation) feature of ASR5K allows for many...

David Damerjian has created Basics of understanding and troubleshooting PPP compression features

3 years 10 months ago
discusses configuring PPP data and IP header compression, sample trace,...

David Damerjian has created This is a test article

4 years 2 weeks ago
I am writing about A11 and I think this is a useful article on pdsn unreachable...

David Damerjian has created How can I tell if the license has been correctly applied to the chassis?

4 years 2 weeks ago
Describes how to FULLY CHECK if the license you believe should be installed is...

David Damerjian has created Why doesn’t the show resource session PDSN service limit not match the show license info PDSN limit?

4 years 2 weeks ago
Session information for PDSN service in the show resource command will not...

David Damerjian has created Basics of Access Control Lists

4 years 2 weeks ago
This purpose of this article is to explain the basics of implementing Access...

David Damerjian has created Understanding and Troubleshooting IP Pools

4 years 2 weeks ago
Includes basics of IP pool configuration and troubleshooting issues related to...

David Damerjian has created Annotated GGSN Pre-paid monitor subscriber trace

4 years 2 weeks ago
Annotated monitor subscriber trace of GGSN Pre-Paid call including all...

David Damerjian has created Troubleshooting anything related to Linecard/Interfaces/Vlans/Connectivity/traffic transport/Basic routing/ARP

4 years 2 weeks ago
The following article could not be properly formatted as an HTML page in this...

David Damerjian has created Troubleshooting SNMP trap L2TPTunnelDownPeerUnreachable

4 years 2 weeks ago
Includes show l2tp-based CLI commands (and how to interpret output) to...

David Damerjian has created Double fault PSC/PAC migration

4 years 2 weeks ago
PSC/PAC double failure can occur if the lever of the PSC/PAC is unlocked and...

David Damerjian has created Troubleshooting Radius issues

4 years 2 weeks ago
PDF version attached to this document is MUCH EASIER to read. The below is...

David Damerjian has created PDSN Handoff from EVDO to 1X technology (or vice versa) but "show subscriber full" output does not update technology type

4 years 2 weeks ago
When a handoff occurs from 1X to EVDO or the reverse direction, normally the...

David Damerjian has created Why might final accounting bytes/packets count not match the actual count for the session

4 years 2 weeks ago
The final count of bytes and packets in an accounting stop message may be less...

David Damerjian has created Troubleshooting at the subscriber level

4 years 2 weeks ago
In the troubleshooting process, there are times that you know that an issue is...

David Damerjian has created ASR5K Product lines

4 years 2 weeks ago
This is ONE of the top-level knowledgebase content pages for the ASR5K family,...

David Damerjian has created ASR5K Hardware components

4 years 2 weeks ago
This is ONE of the top-level knowledgebase content pages for the ASR5K family,...

David Damerjian has created Basics of setting up Enhanced Charging Service v2 (ECS)

4 years 2 weeks ago
Though it has a lot of pieces that need to fit together to work, ECS is not...

David Damerjian has created ASR5K Knowledgebase HOME

4 years 2 weeks ago
This is the central launch page for finding solutions, learning the technology...

David Damerjian has created ASR5K Features and Components

4 years 2 weeks ago
This is ONE of the top-level knowledgebase content pages for the ASR5K family,...

David Damerjian has created Troubleshooting and understanding Task/Process failures, Session Recovery, and PAC/PSC migrations and SPC/SMC switchovers

4 years 2 weeks ago
Overview.. 1Basic hardware and software architecture. 1Session Recovery. 8Task...

David Damerjian has created High CPU usage on SMC during bulkstat gathering

4 years 2 weeks ago
This article explains potential cause of the SMC periodically showing high CPU...

David Damerjian has created ASR5K Administration/Operation/Troubleshooting/Monitoring/Data collection

4 years 2 weeks ago
This is ONE of the top-level knowledgebase content pages for the ASR5K family,...

David Damerjian has created Preventative Maintenance Guidelines for STxx (precursor to ASR5K)

4 years 2 weeks ago
Revision History Issue DateRev Description of ChangeInitiated By8/29/081....

David Damerjian has created Example output showing IP Source violations and use of PDSN configurables to affect behavior

4 years 2 weeks ago
IP source violations occur when the PDSN receives packets from a subscriber...

David Damerjian has created Annotated PDSN Proxy Mobile IP monitor subscriber trace

4 years 2 weeks ago
annotated Proxy Mobile IP (P-MIP) call from a Starent Lab chassis shows you...

David Damerjian has created Troubleshooting HA Proxy DNS Intercept feature

4 years 2 weeks ago
troubleshooting HA Proxy DNS Intercept feature includes what commands to run to...

David Damerjian has created Example annotated trace of Intra-PDSN handoff

4 years 2 weeks ago
Use this article as a reference of what an Intra-PDSN handoff trace looks like...

David Damerjian has created Possible cause of higher than normal radius authentication failure rate on standby (HAGR/ICSR) chassis

4 years 2 weeks ago
Article explains that radius aaa authentication failure rate on standby HAGR/...

David Damerjian has created Troubleshooting A11 PDSN and Application Unreachable alarm on Alcatel-Lucent RNC PCF

4 years 2 weeks ago
Alarms such as Application Unreachable or PDSN Unreachable are often reported...

David Damerjian has created ASR5K Software protocols / Specifications

4 years 2 weeks ago
This ONE of the top-level knowledgebase content pages for the ASR5K family, in...

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