Configure Site to Site IPSec VPN Tunnel between Cisco Router and Paloalto Firewall
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One end of IPSec tunnel is a Paloalto Firewall with Static Public IP address and the other end is Cisco router with Dynamic IP address and behind an Internet modem. You can refer for step by step guide to establish IPSec VPN tunnel between Paloalto Firewall and Cisco Router. Display debugging on ssh session or console
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To display Cisco debug output on the current SSH or Telnet session, switch# terminal monitor To turn off Cisco debug output switch# terminal no monitor To display Cisco debug output on the Console switch# logging console To turn off Cisco debug output switch# no logging console 
Reset Cisco Router Password Without Losing Configuration
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Step 1: Reload router. If you do not know the password, just perform hard reboot. KVN-SWITCH#reload Proceed with reload? [confirm] Step 2: Wait for 10 seconds of startup and send a break signal to terminal If you are using PUTTY, right click on the top of PUTTY Window, and select Special Command > .. 
Reset Cisco Router to Factory Default Settings
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[symple_box style=”boxerror”] This tutorial is to factory reset Cisco Router in case you forget router password or require to flush present configuration. Note that you will lose existing configuration on Cisco Router. [/symple_box] Step 1: Reload router. If you do not know the password, .. Cisco 887- configure FastEthernet port as WAN
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Below is successfully working configuration to configure Cisco 887 router interface as WAN port, remember that you cannot make these FastEthernet interfaces as L3 (no switchport) and you cannot assign IP address to these interfaces, so instead create SVI as we did below. Configure inside interface as “ip .. 
