How to configure Mikrotik DHCP Server for Cisco Phone TFTP option
1- Change your TFTP server IP in to hex code
you can use this online tool : http://www.miniwebtool.com/ip-address-to-hex-converter/
2- Now configure Mikrotik RouterOS :
/ip dhcp-server option add code=150 name=ciscotftp value=0xC0A80307
OpenVPN CRL has expired VERIFY ERROR: depth=0, error=CRL has expired: CN=servername In order to fix the issue, we just need to recreate the crl.pem file. we need to backup the current crl.pem file before creating a new one. The location of the crl.pem file at /etc/openvpn/ #mv crl.pem crl.pem.back Now go to easy-rsa folder # cd easy-rsa now generate … Read more
OPENVPN Logs To troubleshoot connection issues check below logs grep the client name in /var/log/messages # grep VPN /var/log/messages Check the connection time #cat /etc/openvpn/openvpn-status.log Check the connection negotiation activity # tail -f /var/log/messages
How to install vos3000 2.1.4.0 on CentOS 6.X
Follow the steps
#/etc/init.d/iptables save
#/etc/init.d/iptables stop
#chkconfig iptables off
#/etc/init.d/ip6tables save
#/etc/init.d/ip6tables stop
#chkconfig ip6tables off
How to configure Cisco Unity Connection with CUCM with SCCP
I will be configuring very simple way without CSS and Partition with Default Basic Configuration.
Below are the Call flow From CUCM and Cisco Unity Connection.
How to configure UCCX Simple Auto Attendant
I am going to configure UCCX and CUCM for simple Auto Attendant using inbuilt script (aa.aef) in Cisco UCCX. I am not making any restriction so I am not using CSS and Partition to make it very simple .
we need to go through following steps .
Before going above steps UCCX basic configuration should be done as AXL, JTAPI and RMCM integration. As it is the POST UCCX configuration after installation .
How to configure MGCP on Cisco Router and CUCM
To configure MGCP on Cisco Router and CUCM below are the steps
1- Configure E1 or T1 Port to work with MGCP
2- Configure Router for MGCP to register on CUCM
3-Configure CUCM
For step 1
Follow the link https://gkhan.in/configure-cisco-router-t1-mgcp/
Step -2
mgcp
mgcp call-agent 192.168.100.11 service-type mgcp
mgcp bind control source-interface FastEthernet0/0.110
mgcp bind media source-interface FastEthernet0/0.110
mgcp dtmf-relay voip codec all mode out-of-band
How to configure Cisco Router T1 for MGCP
Below steps checked on Cisco 2811 and 2911 Routers
1- Check the VVIC location
R1#sh inventory
NAME: “2811 chassis”, DESCR: “2811 chassis”
PID: CISCO2811 , VID: V05 ,
NAME: “VWIC2-1MFT-T1/E1 – 1-Port RJ-48 Multiflex Trunk – T1/E1 on Slot 0 SubSlot 0“, DESCR: “VWIC2-1MFT-T1/E1 – 1-Port RJ-48 Multiflex Trunk – T1/E1”
Show inventory command shows you the location installed VVIC card in our case it is installed on Cisco Router Slot 0.
How to read config files in Cisco Router or Switch
Check the name of the file and location.
R1#dir
Directory of flash:/
1 -rw- 67929600 Dec 12 2016 02:58:20 +00:00 c2800nm-adventerprisek9-mz.151-4.M12a.bin
2 -rw- 1622 May 26 2017 16:54:46 +00:00 Default
3 -rw- 2711 Sep 24 2017 17:45:02 +00:00 working24sept
255852544 bytes total (187912192 bytes free)
To read the content of file use command “more”
GL-inet allow clients ( behind the LAN ) access from other Network Edit the firewall add following lines vi /etc/config/firewall config forwarding option dest ‘lan’ option src ‘VPN_client’ Restart firewall service /etc/init.d/firewall restart