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This is about notes for ccnp, Study notes of Computer Networks

Northern Virginia Community CollegeComputer Networks

configs and show commands on ccnp

Typology: Study notes

2016/2017

Uploaded on 12/14/2023

will-ogletree
will-ogletree 🇺🇸

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Cisco Advanced Routing: Tier 3 Service Providers
show ip int brief | ex un
show run | sec router
show ip protocols
show ip route
clear ip ospf process
Configuring OSPF Areas and Network Types
Course Prerequisites and Business Context
OSPF Protocol Refresher
Demo: Basic OSPF Configuration using Access Rings
show run | section router_ospf
router ospf 1
router-id 10.0.0.1
passive-interface Loopback0
network 10.0.0.1 0.0.0.0 area 0
network 10.1.4.1 0.0.0.0 area 0
network 10.12.34.0 0.0.0.255 area 0
show running-config int e0/3
interface Ethernet0/3
description TO R6
ip address 10.1.6.1 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 1
mpls ip
show ip ospf int e0/3
show ip ospf neighbor
show ip ospf neighbor 10.0.0.6
show ip ospf 1
How Area Border Routers (ABRs) Work
Demo: Exploring ABR Operations
show ip ospf | include border
show ip ospf 1 0 database summary 10.0.0.6 self-originate
show ip ospf 1 1 database summary 10.0.0.5 self-originate
show ip route 10.0.0.1 (intra area)
show ip route 10.0.0.6 (inter area)
show ip ospf database summary 10.0.0.6 adv-router 10.0.0.1
show ip ospf border-router
traceroute 10.0.0.6 source 10.0.0.5
pf3
pf4
pf5
pf8
pf9
pfa
pfd

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Cisco Advanced Routing: Tier 3 Service Providers show ip int brief | ex un show run | sec router show ip protocols show ip route clear ip ospf process Configuring OSPF Areas and Network Types Course Prerequisites and Business Context OSPF Protocol Refresher Demo: Basic OSPF Configuration using Access Rings show run | section router_ospf router ospf 1 router-id 10.0.0. passive-interface Loopback network 10.0.0.1 0.0.0.0 area 0 network 10.1.4.1 0.0.0.0 area 0 network 10.12.34.0 0.0.0.255 area 0 show running-config int e0/ interface Ethernet0/ description TO R ip address 10.1.6.1 255.255.255. ip ospf network point-to-point ip ospf 1 area 1 mpls ip show ip ospf int e0/ show ip ospf neighbor show ip ospf neighbor 10.0.0. show ip ospf 1 How Area Border Routers (ABRs) Work Demo: Exploring ABR Operations show ip ospf | include border show ip ospf 1 0 database summary 10.0.0.6 self-originate show ip ospf 1 1 database summary 10.0.0.5 self-originate show ip route 10.0.0.1 (intra area) show ip route 10.0.0.6 (inter area) show ip ospf database summary 10.0.0.6 adv-router 10.0.0. show ip ospf border-router traceroute 10.0.0.6 source 10.0.0.

Demo: Filtering Routes Between OSPF Areas show run | section router_ospf|PL_AREA router ospf 1 area 1 filter-list prefix PL_AREA1_LOOPBACKS out ! ip prefix-list PL_AREA1_LOOPBACKS seq 5 permit 10.0.0.0/24 ge 32 show ip ospf 1 0 database self-originate | begin Summary_Net or show run | section router_ospf|PL_AREA router ospf 1 area 0 filter-list prefix PL_AREA1_LOOPBACKS in ! ip prefix-list PL_AREA1_LOOPBACKS seq 5 permit 10.0.0.0/24 ge 32 show ip ospf 1 0 database self-originate | begin Summary_Net OSPF Network Types and their Uses Demo: OSPF Point-to-point Networks show run int e0/ interface Ethernet0/ description TO R ip address 10.1.6.1 255.255.255. ip ospf network point-to-point ip ospf 1 area 1 mpls ip show ip ospf int brief show ip ospf neighbor Demo: OSPF Multi-access Networks and the Designated Router show run int e0/ interface Ethernet0/ description TO SW ip address 10.12.34.1 255.255.255. ip ospf network broadcast ip ospf priority 50

show run | section ^(ip_prefix|route-map).EIGRP* ip prefix-list PL_EIGRP_ROUTES seq 5 permit 203.0.113.0/24 le 25 ! route-map RM_DENY_EIGRP deny 10 match ip address prefix-list PL_EIGRP_ROUTES ! route-map RM_DENY_EIGRP permit 20 ! route-map RM_PERMIT_EIGRP permit 10 match ip address prefix-list PL_EIGRP_ROUTES show ip ospf database self-originate | begin Type- show eigrp address-family ipv4 topology | section 203.0.113. If You want Dynamicity, Filter by Route Tags Demo: Preventing Loops with Route Tag Filtering show run | section ^router router eigrp SCHOOL ! address-family ipv4 unicast autonomous-system 65000 ! topology base redistribute ospf 1 match internal external 2 metric 100000 10 255 1 1500 route-map RM_GENERIC_BLOCK_TAG router ospf 1 redistribute eigrp 65000 metric-type 1 subnets route-map RM_GENERIC_SET_TAG show run | section ^route-map_RM_G route-map RM_GENERIC_SET_TAG permit 10 set tag 85 ! route-map RM_GENERIC_BLOCK_TAG deny 10 match tag 85 ! route-map RM_GENERIC_BLOCK_TAG permit 20 show ip ospf rib redistribution | section 203.0.113. show ip route 203.0.113.128 255.255.255.

Demo: Demystifying the OSPF Type-4 ASBR Summary LSA show ip ospf 1 0 database asbr-summary self-originate show ip ospf 1 1 database asbr-summary self-originate Connecting to Upstream ISPs using BGP Understanding "Routing To" Versus "Routing Through" Demo: BGP Prefix Suppression and Aggregation router bgp 100 bgp log-neighbor-changes no bgp default ipv4-unicast neighbor 169.254.1.18 remote-as 18 ! address-family ipv network 203.0.113.0 mask 255.255.255. network 203.0.113.128 mask 255.255.255. aggregate-address 203.0.113.0 255.255.255.0 summary-only neighbor 169.254.1.18 activate exit-address-family show bgp ipv4 unicast 203.0.113.0/24 longer-prefixes show bgp ipv4 unicast neighbors 169.254.1.18 advertised-routes or router bgp 100 bgp log-neighbor-changes no bgp default ipv4-unicast neighbor 169.254.2.19 remote-as 19 ! address-family ipv redistribute ospf 1 route-map RM_OSPF_TO_BGP neighbor 169.254.2.19 activate exit-address-family show run | section ^route-map RM_OSPF_TO_BGP|access-list ip access-list standard ACL_EIGRP_ permit 203.0.113.0 0.0.0. ! route-map RM_OSPF_TO_BGP permit 10 description MATCH ORIGINAL EIGRP ROUTES match ip address ACL_EIGRP_ match route-type external show bgp ipv4 unicast 203.0.113.0 255.255.255.0 longer-prefixes

show run | section ^(route-map|ip_prefix).COND* ip prefix-list PL_COND_TRACKER seq 5 permit 100.64.0.0/ ip prefix-list PL_COND_TRACKER seq 10 permit 100.64.1.0/ ip prefix-list PL_COND_TRACKER seq 15 permit 100.64.2.0/ ip prefix-list PL_COND_TRACKER seq 20 permit 100.64.3.0/ ! route-map RM_OSPF_COND_DEFAULT permit 10 match ip address prefix-list PL_COND_TRACKER show ip route 100.64.0.0 255.192.0.0 longer-prefixes | include ^B show bgp ipv4 unicast 0.0.0.0/ show ip ospf database external self-originate show ip route 0.0.0.0 0.0.0. Anti-spoof Protection with Unicast RPF (URPF) Demo: Applying Strict-mode URPF to Secure Our Uplinks interface Ethernet0/ description TO R ip address 169.254.2.2 255.255.255. ip verify unicast source reachable-via rx show ip cef 100.64.0.0/ show ip int e0/0 | begin IP_verify R19#ping 169.254.2.2 source lo interface Ethernet0/ description TO R ip address 169.254.1.1 255.255.255. ip verify unicast source reachable-via rx 100 ! access-list 100 deny ip any any log R18#ping 169.254.1.1 source lo show ip route 100.64.0. R12#ping 100.64.0.20 source 203.0.113. Isolating Customers with MPLS Layer-3 VPNs How Does MPLS Work? Distributing Labels with LDP Demo: Basic LDP Configuration and Verification show ip ospf 1 1 neighbor show mpls interfaces

interface Ethernet0/ ip ospf 1 area 1 mpls ip show mpls ldp discovery show mpls ldp neighbor router ospf 1 mpls ldp autoconfig area 1 router-id 10.0.0. passive-interface Loopback show mpls ldp neighbor | include Peer Demo: My Tried-and-true Method to Trace MPLS LSPs show mpls ldp neighbor 10.0.0. show ip route 10.0.0.8 255.255.255. show mpls ldp bindings 10.0.0.8 32 show ip cef 10.0.0.8/ show mpls forwarding-table labels 6010 – 6019 show mpls forwarding-table labels 7016 Designing MPLS L3VPN Services Scaling iBGP with Route-Reflectors Demo: Connecting Provider Edge Routers to the BGP RR router bgp 100 bgp router-id 10.0.0. bgp log-neighbor-changes no bgp default ipv4-unicast neighbor 10.0.0.5 remote-as 100 neighbor 10.0.0.5 transport connection-mode active neighbor 10.0.0.5 update-source Loopback ! address-family vpnv neighbor 10.0.0.5 activate neighbor 10.0.0.5 send-community extended exit-address-family

show bgp vpnv4 unicast vrf CITY_RESPONDERS summary | begin Neighbor show bgp vpnv4 unicast vrf CITY_RESPONDERS | begin Network show bgp vpnv4 unicast vrf CITY_RESPONDERS 192.168.10.0/ show bgp vpnv4 unicast vrf CITY_RESPONDERS 192.168.11.0/ Demo: Tracing the Bidirectional Customer MPLS LSPs R10#traceroute 192.168.11.11 source 192.168.10. R11#traceroute 192.168.10.10 source 192.168.11. Achieving High Availability for Customers and LAN Clients A Refresher on First-hop Redundancy Protocols (FHRPs) Demo: Using Hot Standby Router Protocol (HSRP) on the NOC LAN interface Ethernet0/ standby version 2 standby 0 ip 10.12.34. standby 0 preempt interface Ethernet0/ standby version 2 standby 0 ip 10.12.34. standby 0 priority 105 standby 0 preempt show standby e0/ show standby e0/ show standby show standby brief Synthesizing Traffic with IP Service Level Agreement (IP SLA) Demo: Configuring IP SLA To Measure Link Performance show run | section ^ip sla ip sla 1 udp-jitter 169.254.2.19 16384 codec g711ulaw codec-numpackets 20 tos 184 threshold 100 timeout 500 frequency 10 ip sla schedule 1 life forever start-time now show run | include ip sla ip sla responder show ip sla responder

show ip sla statistics 1 Demo: Using Tracked Objects to Influence HSRP show run | section ^ip_sla|^track track 1 ip sla 1 delay up 30 show track 1 show run int e0/ interface Ethernet0/ standby 0 track 1 decrement 10 Demo: Injecting a Performance-based OSPF Default Route show run | section router_ospf router ospf 1 default-information originate metric 10 route-map RM_OSPF_COND_DEFAULT show route-map RM_OSPF_COND_DEFAULT show ip prefix-list PL_COND_TRACKER show run | include ^ip_route ip prefix-list PL_COND_TRACKER seq 5 permit 192.0.2.2/ ! route-map RM_OSPF_COND_DEFAULT permit 10 match ip address prefix-list PL_COND_TRACKER ! ip route 192.0.2.2 255.255.255.255 Null0 name COND_TRACKER track 1 show ip sla summary show track brief show ip route 192.0.2.2 255.255.255. show ip ospf database self-originate | begin Type- show ip route 192.0.2.2 255.255.255. show track brief

Modernizing Networks Using IPv IPv6 Refresher and Common Operations Demo: Basic OSPFv3 Configuration using IPv Demo: Validating IPv6 Internet Uplinks using BGP Demo: Validating IPv6 HSRP and Object Tracking Demo: Validating MPLS L3VPN for IPv6 Customers