Troubleshooting
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How to Troubleshoot IPSec VPN connectivity issues in paloalto
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These steps are intended to help troubleshoot IPSec VPN connectivity issues. They are divided intotwo parts, one for each Phase of an IPSec VPN. Phase 1 To rule out ISP-related issues, try pinging the peer IP from the PA external interface. Ensurethat pings are enabled on the peer’s external […]
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PaloAlto CLI command for troubleshooting
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General Command—- show system info = //shows the uptime, serial number, … show system environmentals = //e.g. power supply failures show ntp = //time server show session info = //packet rate, number of sessions, fastpath active, etc. show session id = //session id show interface { all | } […]
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bgp troubleshooting scenarios
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BGP Troubleshooting Scenario 1- There are some reason router do not establish neighborship with peer- This is very important question for interview also 1) Peer ip address is not reachable. 2) port 179 is blocked by a firewall or access list. 3) BGP configuration is not correct like wrong […]
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ospf configuration troubleshooting
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There are some command to help troubleshoot of OSPF and configuration. 1- show ip protocols (this command confirm on router , how many protocol is running include OSPF) 2 – show ip route ( dynamic routes are learned by OSPF) 3- show ip ospf (display OSPF info for all OSPF processes) 4- show ip […]
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Troubleshooting App Connectors Zscaler
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When troubleshooting App Connectors, consider the following: —>>> App Connector Not Connected to the Cloud <<—- If the App Connector was previously working and now shows an error about not being connected to the cloud you will get error like below screen shot Resolve this issue to use below […]
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SITE to SITE IPSEC VPN PHASE-1 And PHASE-2 Troubleshooting step
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Troubleshooting ———->>> Four most common issue we generally face — –> Phase 1 (ISAKMP) security associations fail –> Phase 2 (IPsec) security associations fail –> VPN Tunnel is established, but not traffic passing through –> Intermittent vpn flapping and disconnection Phase-1 and Phase-2 configuration should be identical of both side […]
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Checkpoint firewall document for troubleshooting and configuration
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find the below link of checkpoint firewall document- below is the list of documetns https://drive.google.com/file/d/1pKqUU9r3Pd4T2rKGhr_mtUZCUtfkXnMx/view?usp=sharing
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How to Configure Gmail to Pull Mail from rediffmail.com
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Go to your Gmail account and log in with your email and password if asked to. Click on the cogwheel icon at the top-right corner of the page, and select “Settings” in the menu that opens. Click on the “Accounts” tab, and then on the “Add a mail account” link as shown below: Enter your full rediffmail.com […]
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Zscaler Troubleshooting ZPA and ZIA
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Case 1: Website not working :- -Check if the website works at your end on your machine/mobile .Use website https://geopeeker.com/ to check if the website works from different Geo locations. a. Website if works at your end and not at customer end this would be mean Zscaler is the cause […]
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ASA Basic troubleshooting
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AAA debug radius debug tacacs show aaa-server protocol PROTOCOL_NAME test aaa-server Access Control Lists show access-list show run | include ACCESS_LIST_NAME show run object-group show run time-range Application Inspection show conn state STATE_TYPE detail show service-policy Configuring Interfaces show firewall show int show int ip […]