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Here is our topology… R1 has a loopback of 1.1.1.1/32 R2 has 2.2.2.2/32 R3 has 3.3.3.3/32 R4 has 4.4.4.4/32 R4 has 9.9.9.9/32 R1 to R2 is 10.0.1.0/24 (area 1) R2 to R3 is 10.0.2.0/24 (area 0) R3 to R4 is 10.0.3.0/24 (area 2) R3 which is our ABR, has been configured …
Continue reading “Understanding a Totally Not-So-Stubby-Area in OSPF”
Link between IOSV1 and IOSV2 : 192.168.1.0/24 Link between IOSV2 and IOSV3: 192.168.2.0/24 Situation: We are running OSPF in our network. IOSV1 is hypothetically connect to an ISP router. Our ISP does not form an OSPF neighborship with us. That means that IOSV2 and IOSV3 can only reach the networks inside the OSPF routing domain. …
Continue reading “How to advertise a default route into OSPF”
Today I’m going to be talking about the possible ways we could manipulate paths in our EIGRP routing domain. Let’s take a look at our topology… R1 has two loopback interfaces. Loopback 1 – 10.0.1.1/24 Loopback 2 – 10.0.2.1/24 These will represent the networks we are trying to reach. The link between R1 and …
Continue reading “Different Ways to Manipulate an EIGRP path”
On IOSV1 we have two networks that we need to reach from IOSV4. 1.1.1.0/24 1.1.2.0/24 1.1.3.0/24 The link between IOSV2 and IOSV4 is 10.0.3.0/30 The link between IOSV3 and IOSV 4 is 10.0.4.0/30 The situation: Our company runs OSPF, and we just acquire d another company that runs EIGRP. We are keeping their topology and …
Continue reading “Path Manipulation via EIGRP and OSPF Redistribution”
First we’re going to be creating a eBGP session with IPv4 and then we will advertise routes for IPv6 Prefixes over that session. R2 is in AS 1. R3 is in AS 2. R2 has a L00pback interface with an IPv6 address of 2002:2::2/128 R3 has a L00pback interface with an IPv6 address of 2003:3::3/128 …
Continue reading “BGP – Advertising IPv4 and IPv6 in a single BGP session!”