Configuring Cisco ISR 4000 Series T1/PRI Connections
On the Cisco ISR 4331 series there’s a specific order needed when installing a PVDM4-32 Voice DSP Module, and setting up the associated interfaces.
August 2016
BGP Troubleshooting with Cisco Routers – Determining Upstream ISP Fault
Sporadic BGP issues can be difficult to troubleshoot sometimes, especially when the routing issues you face are further upstream (ISP controlled) and out of your control. Finding the root cause can be a problem. Part of the reason this is difficult is because Cisco Routers only log BGP neighbor state changes by default, and not …
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