Add BGP and EIGRP routing protocols to presentation documentation

[Copilot]

Updates PRESENTATION.md to document the multi-protocol routing architecture, specifically BGP routing between Router-C (Library building) and ISP_2, plus EIGRP edge segment routing.

Multi-Protocol Architecture

BGP (Border Gateway Protocol)

• Router-C (Building C - Services & Library) establishes BGP peering with ISP_2
• AS 65001 (Campus) ↔ AS 65000 (ISP_2) over 10.0.0.0/8
• OSPF routes redistributed into BGP for external advertisement

router bgp 65001
 bgp router-id 10.0.0.2
 neighbor 10.0.0.1 remote-as 65000
 network 192.168.0.0 mask 255.255.0.0
 redistribute ospf 1

EIGRP (Enhanced Interior Gateway Routing Protocol)

• ISP_2 runs EIGRP AS 100 to edge routers
• Router-E1: 11.0.0.0/8 link, 13.0.0.0/8 LAN
• Router-E2: 12.0.0.0/8 link, 14.0.0.0/8 LAN

Documentation Updates

• Slide 1: Added multi-protocol routing objectives
• Slide 2: Network diagram now shows ISP_2 with BGP/EIGRP connections
• Slide 3: Library building BGP connectivity highlighted
• Slide 7: Expanded from OSPF-only to multi-protocol (OSPF + BGP + EIGRP) with configuration examples
• Slide 13: Updated technical specs (8 routers, routing protocol details)
• Slide 15: Added BGP/EIGRP verification commands
• Slide 16: Q&A additions for multi-protocol rationale and BGP placement
• Appendix: Added show ip bgp summary and show ip eigrp neighbors commands

Additional Changes

• Removed all Cisco ASA Firewall references (security layer model, budget line items)
• Corrected router count: 8 total (5 campus + 1 ISP_2 + 2 edge)
• Security architecture updated to 3-layer model (ACLs, VLANs, SSH authentication)

All network addressing and configurations match existing Smart_Campus_Network_Design_Report.md and Packet_Tracer_Implementation_Guide.md.

Original prompt

On PRESENTATION.md, add bgp routing between library and library quarry station and eigrp on the that statoin use other files to know about them
update the presentaion with that

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