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IBGP Peering using loopbacks Interfaces
R1(config)#router bgp 500 R1(config-router)#neighbor 12.1.1.1 remote-as 500 R1(config-router)#neighbor 13.1.1.1 remote-as 500...
IBGP Configuration
R1(config)#router bgp 500 R1(config-router)#neighbor 1.1.1.2 remote-as 500 R1(config-router)#neighbor 4.4.4.2 remote-as 500...
BORDER GATEWAY ROUTING PROTOCOL (BGP)
BGP Autonomous Systems: An AS is a collection of networks under a single technical administration. · IGPs operate within an AS. · ...
Route Maps and their use in BGP
Route Map: A Route Map serves as a configuration tool utilized in multiple routing protocols, including Border Gateway Protocol (BGP) and...
Dynamic Routing Protocols
What is Routing Protocol? A routing protocol is a set of rules and conventions that routers use to figure out how to most efficiently...
Extended Access-list
Creation of Extended Access-list Syntax: Router(config)# access-list <acl no> <permit/deny> <protocol> <source address> <source wildcard...
Access Control List (ACL)
Set of rules which allow or deny the specific traffic passing through the router. It’s Layer 3 Security which control flow of traffic...
OSPFv2 Cryptographic Authentication
Rx(config)# key chain CCIE Rx(config-keychain)#key 1 Rx(config-keychain-key)#key-string cisco123 Rx(config-keychain-key)#cryptographic-al...
OSPF Generalized TTL Security (GTSM)
Provides an additional security mechanism by ensuring that the neighboring OSPF is exactly the same number of hops away as in the...
OSPFv3 Address family configuration
R1(config)#ipv6 unicast-routing R1(config)#router ospfv3 1 R1(config-router)#address-family ipv4 unicast R1(config-router)#address-family...
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