BGP – Asymmetric Routing Fortigate or when it is the policy

Change the Setup to have two dedicated links from the fortigate to the Edgerouter. Internal6 and 7 on the Fortigate and eth4 on the edgerouters. Note to myself Policy blocked the traffic. Needed to change the source interfaces to include i6 and i7. config firewall policy edit 1 set srcintf internal1.997 next end Links https://community.fortinet.com/t5/FortiGate/Technical-Note-Reverse-Path-Forwarding-RPF-implementation-and/ta-p/194382

BGP – MultiHoming

Cisco cisco01config show ip bgp summaryshow ip routeshow ip bgpcisco02config show ip bgp summaryshow ip routeEdgeRouter-Xedge01configshow ip routeedge02configshow ip routeFortiGateconfigget router info routing-table detailsTestsChanging the AS Numbersshow ip routeshow ip bgpOptimizing route mapscisco1show ip bgp neighbors 10.255.80.29 received-routesshow ip bgpshow ip routecisco2show ip bgp neighbors 10.255.80.28 received-routesshow ip routeBGP Prevent becoming an Transit ASNo-Export CommunityLinks …

Check Point – VSX Upgrade

Note to my self. Since i am not dealing with VSX Systems that often, please be reminded. When dealing with VSX Gateways/Clusters to finalize the upgrade the SMS needs to Upgrade the VSX Objects in the SMS Database. [Expert@CheckPointSMS:0]# vsx_util upgrade ****************************************************************************************** * Note: the operation you are about to perform changes the information in …

Fortinet Lookup Policies

Some times you need to know which firewall policy will allow traffic and does it have be used. I had allready posted Fortigate – Policy lookup a while ago. diagnose firewall iprope lookup <src ip> <src port> <dst ip> <dst port> <protocol> <device> <src_ip> Source IP address. <src_port> Source port. <dst_ip> Destination IP address. <dst_port> Destination …

Fortinet – Fragmentation – DF – IPSec

System SettingsFragmentation Check Interface MTULinks System Settings config global config system global set honor-df enable end end Fragmentation The default ip-fragmentation setting is post-encapsulation as that is RFC compliant. config vpn ipsec phase1-interface edit <name> set ip-fragmentation post-encapsulation next end Check Interface MTU To check the MTU size of an interface, use 'diag netlink interface …