Cisco VCS root Password Reset/Recovery

Posted on by Admin

This is based on X7.2 software, assuming your software is older but should be the same. To collect logs or other information when there are network problems or other issue preventing access to the Cisco VCS/Conductor remotely, a serial console may be used. Connection should be made to the data port on the front of the appliance. The settings below should be used for the console connection: Setting Value Baud rate 115200 bits per second…

Read More
Posted in VCS

My CUCM SRND Design Notes 10.X – SIP TRUNK Deployments

Posted on by Admin

Best Effort Early Offer [Early Offer support for voice and video calls Best Effort (no MTP inserted)] Best Effort Early Offer can be enabled on the SIP Profile associated with the SIP trunk, and it is the recommended configuration for all Unified CM and Unified CM Session Management Edition (SME) trunks. Best Effort Early Offer trunks never use MTPs to create an Early Offer and, depending on the calling device, may initiate an outbound SIP…

Read More

Unique RD per PE in MPLS VPN for Load Sharing and Faster Convergence

Posted on by Admin

Hi Guys , I found the below link useful for Designing MPLS load sharing and Fast Convergence. Original Link# http://lostintransit.se/2015/01/11/unique-rd-per-pe-in-mpls-vpn-for-load-sharing-and-faster-convergence/   This post describes how load sharing and faster convergence in MPLS VPNs is possible by using an unique RD per VRF per PE. It assumes you are already familiar with MPLS but here is a quick recap. The Route Distinguisher (RD) is used in MPLS VPNs to create unique routes. With IPv4, an IP…

Read More

Cisco IOS- IP Helper Address Command

Posted on by Admin

Original Link# http://www.ciscopress.com/articles/article.asp?p=330807&seqNum=9 Helper Addresses This section describes how networks and routers use helper addresses to forward broadcasts to another server or router on another network. This section describes some of the purposes of and scenarios in which to use helper addresses. Using Helper Addresses DHCP is not the only critical service that uses broadcasts. Cisco routers and other devices might use broadcasts to locate TFTP servers. Some clients might need to broadcast to locate…

Read More

Unified CM High Availability / Call Processing Redundancy / Upgrading CUCM Cluster

Posted on by Admin

Unified CM High Availability Because of the underlying Unified CM clustering mechanism, a Unified Communications System has additional high availability considerations above and beyond hardware platform disk and power component redundancy, physical network location, and connectivity redundancy. This section examines call processing subscriber redundancy considerations, call processing load balancing, and redundancy of additional cluster services. Call Processing Redundancy Unified CM provides the following call processing redundancy configuration options or schemes: Two to one (2:1) — For every two…

Read More

Cisco CUCM : Troubleshoot Backup Issue

Posted on by Admin

Hi Guys , I found below link useful when troubleshooting CUPS backup issues, Original Link # https://bsoftbangalore.wordpress.com/2012/06/14/cisco-cucm-7-x8-x-troubleshoot-backup-issue/ Cisco Unified Communications Manager backups are not running as scheduled. All Disaster Recovery Framework (DRF) services are down, and no new devices, schedules, or statuses can be viewed from the DRF console. Also, when you access the DRF admin pages, this error message is received: Status: Local Agent is not responding. This may be due to Master or…

Read More

BUG CSCsr87199 ; DRS backup never releases lock – stops performing backups

Posted on by Admin

DRS backup never releases lock – stops performing backups CSCsr87199 Description Symptom:– DRS Backups stop executing automatically. – When you attempt a manual backup, you get an error saying: “Backup operation currently in progress…. please wait and try after sometime” – When trying to install a new version or a COP file, you get the following error: “The system is currently locked by another process. Please try again later” Conditions: Occurs if DRF is scheduled…

Read More

UCS: Invalid Keyring certificate alert on UCSM

Posted on by Admin

Problem Description: Invalid Keyring certificate alert on UCSM Action Plan: Went on call and saw the keyring had expired: EXB-B /security/keyring # show det Keyring default:     RSA key modulus: Mod2048     Trustpoint CA:     Cert Status: Expired – Closed the UCSM GUI, and regenerated the keyring. # scope security /security # scope keyring default /security/keyring # set regenerate yes /security/keyring *# commit-buffer EXB-B /security/keyring # show det Keyring default:     RSA key modulus: Mod2048…

Read More

N9K Remote Python

Posted on by Admin

original Link # https://github.com/datacenter/nexus9000 # Copyright (C) 2013 Cisco Systems Inc. # All rights reserved import sys sys.path.append(“./cisco”) sys.path.append(“./utils”) from nxapi_utils import NXAPITransport from cisco.interface import Interface ################### # NXAPI init block ################### target_url = “http://10.30.14.8/ins” username = “admin” password = “admin” NXAPITransport.init(target_url=target_url, username=username, password=password) ################### ################### # cli/clip/clid are changed a bit, but largely the same ################### print NXAPITransport.cli(“show version“) NXAPITransport.clip(“show interface brief“) NXAPITransport.clic(“conf t ;interface eth4/1 ;no shut“) print NXAPITransport.clid(“show version“) ################### #…

Read More

Troubleshooting CUCM Database Replication in Linux Appliance Model

Posted on by Admin

  CUCM Database Replication is an area in which Cisco customers and partners have asked for more in-depth training in being able to properly assess a replication problem and potentially resolve an issue without involving TAC.  This document discusses the basics needed to effectively troubleshoot and resolve replication issues. Replication Architecture CUCM 5.x Replication Architecture Communications Manager 5.x has a similar replication topology to Callmanager 4.X. They both follow a hub and spoke topology. The…

Read More
1 … 4,459 4,460 4,461 4,462 4,463 … 4,474