![]() If you turned off IPv6 it would go to the IPv4 address. I think Windows preference is to use IPv6 where possible, which is why localhost defaults to the IPv6 resolution. Technical Tip : How to control/change the FortiGate source IP for self-originating traffic : SNMP . Hostnames can resolve to both IPv4 and IPv6 addresses. You may change this using the neighbor next-hop-self command on R1 towards R2. Technical Note: Configuring BGP on a FortiGate with single-homed eBGP peering, iBGP peering, access-. In default BGP configuration, the R3s loopback address will be the next-hop IP in all routes learned by R1 from R3 and advertised to R2 (the usual BGP next-hop attribute behavior). See more details about BGP peering with a loopback interface in the related article at the end of this page : "Technical Note: Configuring BGP on a FortiGate with single-homed eBGP peering, iBGP peering, access-list and OSPF" The Management station has only single IP addresses for FGT1 and FGT2, that can be accessed from any interface, and routed by RTR2 (routing and firewall policies must permit).FGT2 and FGT1 can establish an iBGP peering to their respective loopback interface via Port4 or Port5 (routing and firewall policies must permit).The loopback interface is seen from the routing table as connected interface :Ĭ 10.0.0.2/32 is directly connected, loopback Note 2 : For blackhole static route, use the blackhole route type instead of the loopback interface.īGP peering and Management access scenario : Note 1 : Dynamic routing protocols can be enabled on loopback interfaces Good practice for OSPF : setting the OSPF router ID the same as loopback IP address makes it easier for troubleshooting OSPF and remember the management IP addresses (i.e.Some scenario where a loopback interface can be used: ![]() Note that using loopback interfaces requires the configuration of appropriate firewall policies to allow traffic to and from this (those) interface(s) Multiple loopback interfaces can be configured in either non-VDOM mode or in each VDOM. How to ping from loopback interface of router mirror512 Beginner 08-29-2011 08:19 AM - edited 03-04-2019 01:26 PM I have seen the lab for CCNP ROUTE exam it stataes that you must aable to ping and telnet from loopback interface 101 on R1 to ip address like 172.1.1.1 Now is that ping different from normal ping. ![]() ![]() It allows connections to the FortiGate's loopback IP address without depending on one specific external port, and it is therefore possible to access it through several physical or VLAN interfaces (redundancy). The advantage of a interface it that this logical interface is always up (no physical link dependency) and the attached subnets always present in the routing table. This article describes some scenario where a loopback interface can be used. ![]()
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