Troubleshooting Tips and Best Practices

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Troubleshooting Tips and Best Practices

Kevin Asano, Regional Sales ManagerLars Nohling, Sr. Systems Engineer

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•Best Practices•Basic Troubleshooting tips•Reviewing Edgemarc Web GUI•Troubleshooting with MOS Scores•Edgemarc command line tools•Proxy Arp Configurations•Q&A

Agenda


Select the correct EdgeMarc

5 10 90 100 1,000 2,000

Concurrent Media Sessions

Thro

ughp

ut (M

bps)

1.5

510

100

1,00

0

EdgeMarc 25010 Mbps, 10 Sessions

EdgeMarc 455050 Mbps, 70 Sessions

EdgeMarc 4700 Series100-200 Mbps, 100 SessionsWith Dual WAN

EdgeMarc 7301 Series1,000 Mbps, 2,000 Sessions


Edgewater Knowledgebase

• How to secure an EdgeMarc 314294• Changing EdgeMarc Security Settings 314005• How to get notified about new software releases 163354• EdgeMarc Troubleshooting Guide 184828• How to read MOS score messages 91638• Coexistence of a 3rd-party VPN/Firewall with EdgeMarc 89995• FAQ: Proxy Arp 259920• Configuring Survivability features 107784• Understanding SIP Register Rate Pacing 164582• Edgewater Manuals 92806• WAN Link Redundancy 289321• What is the latest release of VOS 92688• SIP Trunking Guides 314240

http://edgewaternetworks.com/kb

http://portalgb.knowledgebase.net/article.aspx?article=314005&p=4739












https://portalgb.knowledgebase.net/article.aspx?article=164582&p=4739






Always Enable Firewall


Always Enable Firewall


Always secure remote access


Duplex Mismatch


Check for Full/Half Duplex Mismatches


•Track details of customer complaints•Date/Time and Extension involved?• Incoming or Outgoing Call?• Inside or Outside party affected?•Phone numbers involved?•Can the problem be reproduced?

Basic Trouble shooting tips


•What changed recently?•How often does this occur?•Are multiple calls affected?•What did they hear ?

–Dead Air, Static, Echo, Hum, Buzz, –Gaps in speech / Dropped words?

Basic Trouble shooting tips


EdgeMarc GUI troubleshooting






How to read MOS score messages KB 91638



How to read MOS score messages KB 91638



MOS Scores


Command Line

• Live Demo• Ping, Traceroute, cat /var/log/messages• Dmesg, ifconfig, netstat• Tcpdump examples• Creating ramdisk w/tcpdump


Proxy-Arp for 3rd Party Firewalls

Coexistence of a 3rd-party VPN/Firewall with EdgeMarc 89995FAQ: Proxy Arp 259920




Working with Edgewater Networks• Product and Technical contacts

– Kevin Asano, product & pricing– Lars Nohling, pre-sales technical questions

• Where to buy– Jenne– Scansource– NETXUSA

• Future Sessions?

Thank You

[email protected]

(215) 297-440

[email protected]

(408) 351- 7200

mailto:[email protected]



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Troubleshooting Tips and Best Practices