BGP Attributes and Routing Decision Principles
BGP Attributes - Fundamental Properties
1. Preference Value (PrefVal)
This is a proprietary attribute (Huawei implementation) -- effective only locally (since it's not propagated, modifications can only be made at the entry point)
[r3]bgp 2
[r3-bgp]peer 4.4.4.4 preference-value 1
All BGP routes learned from neighbor 4.4.4.4 will have their p ...
Posted on Tue, 22 Sep 2026 16:30:31 +0000 by Frozenlight777
Analyzing OSPF Adjacency Establishment via Packet Capture
Network Topology
Device Configuration
[Router-A] ospf 1 router-id 10.0.0.1
[Router-A-ospf-1] area 0
[Router-A-ospf-1-area-0.0.0.0] network 10.0.0.1 0.0.0.0
[Router-A-ospf-1-area-0.0.0.0] network 192.168.10.1 0.0.0.0
[Router-A] interface LoopBack 0
[Router-A-LoopBack0] ip address 10.0.0.1 255.255.255.255
[Router-A-LoopBack0] interface GigabitEth ...
Posted on Tue, 14 Jul 2026 16:42:40 +0000 by coelex