CCIE R&S Advanced Technologies Class v4.5 - Rapid Spanning-Tree Protocol (RSTP), Rapid-PVST

Transcript

1	Introduction	0h 43m
2	Using the Cisco Documentation	0h 52m
3	Ethernet Overview, Layer 2 Switchports, Trunking, ISL, 802.1q, DTP	0h 47m
4	VTP, VTP Authentication, VTP Pruning	1h 02m
5	VTP Prune Eligible List, VTP Transparent, VTP Troubleshooting, Trunk Allowed List, Extended VLANs	0h 48m
6	VLAN and VTP Review	0h 19m
7	SVIs, Native Routed Interfaces, Router-on-a-Stick	0h 46m
8	Layer 2 EtherChannel, EtherChannel Load Balancing, Layer 3 EtherChannel	0h 57m
9	802.1q Tunneling, Layer 2 Protocol Tunneling, EtherChannel over 802.1q Tunneling	1h 03m
10	STP Root Bridge Election, STP Root Port Election, STP Designated Port Election, STP Priority, STP Cost, STP Port-Priority	1h 46m
11	STP Review	0h 12m
12	STP Timers, STP PortFast	0h 34m
13	STP UplinkFast	0h 11m
14	STP BackboneFast	0h 12m
15	STP BPDU Filter	0h 13m
16	STP BPDU Guard	0h 11m
17	STP Root Guard	0h 11m
18	STP Loop Guard, Unidirectional Link Detection (UDLD)	0h 11m
19	Multiple Spanning-Tree Protocol (MST)	0h 40m
20	Rapid Spanning-Tree Protocol (RSTP), Rapid-PVST	0h 18m
21	MST with Multiple Regions	0h 33m
22	Flex Links	0h 16m
23	Frame Relay	0h 39m
24	Frame Relay Configuration Part 1	0h 34m
25	Frame Relay Configuration Part 2	0h 41m
26	Frame Relay Switching	0h 27m
27	Back-to-Back Frame Relay	0h 08m
28	Frame-Relay End-to-End Keepalives	0h 18m
29	PPP, PPP PAP Authentication, PPP CHAP Authentication	0h 59m
30	PPPoFR, PPPoE	0h 40m
31	Transparent Bridging, IRB	0h 32m
32	Fallback Bridging	0h 14m
33	IP Routing Overview, Switching Paths, Static Routing	0h 42m
34	Static Routing Examples	0h 25m
35	IP Default-Gateway, IP Default-Network	0h 14m
36	On-Demand Routing (ODR)	0h 07m
37	Floating Static Routes	0h 10m
38	Backup Interface	0h 29m
39	Enhanced Object Tracking, IP SLA, Reliable Static Routing	0h 21m
40	Policy Routing	0h 43m
41	GRE Tunneling, GRE Recursive Routing Errors	0h 27m
42	Reliable Backup Interface with GRE	0h 25m
43	RIP Overview, RIP Versions, RIP Auto-Summary	0h 48m
44	RIP Split-Horizon, RIP Timers	0h 22m
45	RIP Broadcast Updates, IP Directed Broadcast, IP Broadcast-Address, Smurf Attacks, Fraggle Attacks	0h 16m
46	RIP Unicast Updates	0h 03m
47	RIP Offset-List	0h 18m
48	RIP Authentication	0h 11m
49	RIP Summarization	0h 10m
50	Prefix-Lists, RIP Distribute-List Filtering, RIP Administrative Distance Filtering	0h 48m
51	RIP Default Routing, RIP Conditional Default Routing	0h 18m
52	RIP Triggered, RIP Validate Update Source,	0h 12m
53	EIGRP Overview	0h 29m
54	EIGRP Auto-Summary	0h 07m
55	EIGRP Split-Horizon	0h 11m
56	EIGRP Update Types, EIGRP Neighbor, EIGRP Passive-Interface	0h 24m
57	EIGRP Hello-Interval, EIGRP Hold-Time	0h 05m
58	EIGRP Authentication	0h 11m
59	EIGRP Time Based Authentication	0h 25m
60	EIGRP Path Selection, EIGRP Metric Weights, EIGRP Traffic Engineering	0h 47m
61	EIGRP Unequal Cost Load Balancing, EIGRP Variance	0h 19m
62	EIGRP QUERY, EIGRP Summarization, EIGRP Leak-Map	0h 28m
63	EIGRP Stub Router Advertisement	0h 22m
64	EIGRP Default Routing	0h 13m
65	EIGRP Route Filtering	0h 11m
66	EIGRP Router-ID	0h 07m
67	Miscellaneous EIGRP Features	0h 02m
68	OSPF Overview	0h 27m
69	Establishing OSPF Adjacencies, Understanding the OSPF Database	0h 43m
70	OSPF Network Type Broadcast, OSPF DR/BDR Election, OSPF over NBMA, OSPF Network Type Non-Broadcast and Point-to-Multipoint	0h 56m
71	OSPF Network Type Point-to-Point, OSPF Network Type Mismatch	0h 13m
72	OSPF Network Type Point-to-Multipoint Non-Broadcast, OSPF Per Neighbor Cost	0h 17m
73	OSPF Network Type Loopback	0h 02m
74	OSPF Path Selection	0h 27m
75	OSPF Convergence Timers	0h 09m
76	OSPF Authentication	0h 12m
77	OSPF Summarization	0h 32m
78	OSPF Stub Areas, OSPF Totally Stubby Areas, OSPF NSSAs, OSPF Totally NSSAs	0h 40m
79	Controlling OSPF NSSA Redistribution	0h 02m
80	OSPF Type 7 to 5 Translator Election, OSPF LSA Type 3 Filter, OSPF Forwarding Address Suppression	0h 24m
81	Route Redistribution Overview	0h 36m
82	Route Redistribution Configuration & Verification, Connected Redistribution	0h 22m
83	OSPF External Path Selection, TCL PING Scripting	0h 33m
84	Routing Loops Overview, EIGRP Route Loop Prevention	0h 55m
85	Metric Based Routing Loops, Route Tagging	0h 46m
86	Administrative Distance Based Routing Loops, Debug IP Routing, IP Route Profile	0h 58m
87	BGP Overview, BGP Peering Types	0h 51m
88	Establishing BGP Peerings, EBGP Multihop, BGP Neighbor Disable Connected Check, BGP TTL Security	0h 49m
89	BGP 4-Byte ASNs	0h 20m
90	BGP Local AS, BGP Peer Groups	0h 30m
91	BGP Next-Hop Self, BGP Next-Hop Processing	0h 30m
92	BGP Route Reflectors	0h 37m
93	Large Scale BGP Route Reflectors with Clusters	0h 34m
94	BGP Confederation	0h 37m
95	BGP NLRI Advertisements, BGP Network Statement, BGP Redistribution	0h 43m
96	BGP Aggregation, BGP Aggregation & Summary-Only, BGP Aggregation & Unsuppress-Map	0h 46m
97	BGP Origin, BGP Aggregation & AS-Set, BGP Aggregation & Advertise-Map	0h 22m
98	BGP Conditional Route Injection	0h 21m
99	BGP Bestpath Selection, BGP Multipath, BGP Weight	0h 53m
100	BGP Local Preference, BGP Local Preference and Communities, BGP AS-Path Prepending,	0h 30m
101	BGP MED, BGP MED Missing As Worst, BGP Deterministic MED	0h 17m
102	BGP Communites, BGP Regular Expressions	0h 43m
103	BGP Filtering, BGP Convergence Timers, BGP Default Routing, Miscellaneous BGP Features	0h 24m
104	MPLS Overview, MPLS Label Distribution Protocol (LDP)	1h 05m
105	MPLS Tunnels, MPLS Penultimate Hop Popping (PHP)	0h 40m
106	MPLS Layer 3 VPNs Overview, VRF Lite	0h 36m
107	MPLS Layer 3 VPNs and VPNv4 BGP	1h 08m
108	MPLS Layer 3 VPN Verification & Troubleshooting	0h 49m
109	MPLS Layer 3 VPN OSPF PE-CE Routing Overview	0h 06m
110	MPLS Layer 3 VPN OSPF PE-CE Routing Path Selection & Sham-Links	2h 01m
111	MPLS Layer 3 VPN OSPF PE-CE Routing Loop Prevention & Down-Bit, OSPF Capability VRF-Lite	0h 40m
112	IPv6 Overview, IPv6 ICMPv6 ND, IPv6 over NBMA	0h 44m
113	IPv6 Routing Overview, IPv6 Static Routing	0h 28m
114	IPv6 RIPng	0h 20m
115	IPv6 EIGRPv6	0h 09m
116	IPv6 OSPFv3	0h 31m
117	MP-BGP for IPv6	0h 26m
118	IPv6 Tunneling	1h 13m
119	Multicast Overview, IGMP	0h 34m
120	PIM Overview	0h 18m
121	PIM Dense Mode	1h 03m
122	PIM Sparse Mode	0h 30m
123	PIM Sparse Mode Configuration	0h 36m
124	PIM Sparse Mode RPF & RP Troubleshooting	0h 27m
125	Auto-RP, Multicast over GRE Tunnels	0h 53m
126	Bootstrap Router (BSR), Bidirectional PIM, Source Specific Multicast (SSM)	0h 40m
127	MSDP, Anycast RP	0h 27m
128	IPv6 Multicast Routing	0h 24m
129	QoS Overview, IntServ QoS, DiffServ QoS, IP Precedence, DSCP, MQC, HQF	0h 41m
130	MQC Classification	0h 44m
131	FIFO, FQ, WFQ, CBWFQ, HQF	0h 50m
132	LLQ	0h 23m
133	WRED	0h 31m
134	Traffic Shaping, Traffic Policing	0h 40m
135	Frame Relay Traffic Shaping (FRTS)	0h 33m
136	RSVP	0h 07m
137	Catalyst 3560 QoS	1h 00m
138	IOS Security Overview, Access Lists (ACLs)	0h 58m
139	Time Based ACLs, Dynamic ACLs	0h 33m
140	Reflexive ACLs	0h 21m
141	TCP Intercept, Content Based Access Control (CBAC)	0h 34m
142	Zone Based Policy Firewall (ZBPF)	1h 09m
143	AAA, Local Authentication, Local Authorization, Role Based CLI Access	0h 43m
144	Port Security, Static CAM Entries, Storm Control, 802.1X Authentication, PACLs, RACLs, VLAN Access Maps (VACLs)	0h 48m
145	DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard	0h 12m
146	Protected Ports, Private VLANs	0h 25m
147	IP Services Overview, HSRP	1h 10m
148	VRRP, GLBP	0h 28m
149	NAT	0h 42m
150	DHCP, DNS	0h 30m
151	NetFlow	0h 09m
152	WCCP, Miscellaneous IP Services	0h 06m
153	System Management Overview, NTP, NTP Authentication	0h 24m
154	SNMP, RMON	0h 38m
155	Syslog, Telnet, SSH, Banners	0h 21m
156	EEM Scripting, Miscellaneous System Management	0h 26m
Total Duration		81h 42m

Slides - Diagrams

Slides - Introduction

Slides - Ethernet Switching

Slides - Advanced Ethernet Switching

Slides - Frame Relay

Slides - PPP

Slides - Transport Bridging

Slides - Redistribution

Slides - IOS Security

Slides - Layer 2 Security

Slides - IP Services

Slides - System Management

0:00:13	Now, the next thing we need to know here is...
0:00:15	what are some of the other minor features that we can
0:00:21	And it mainly relates to how the synchronization
0:00:26	So, when we are running either Multiple Spanning
0:00:34	the switches are using that synchronization process
0:00:40	and what should be the root ports versus
0:00:46	Now, essentially, the way
0:00:51	some device is first elected
0:00:57	The root bridge then tells
0:01:00	let's say, switch 1.
0:01:03	The root bridge basically
0:01:06	Okay, this is inside the
0:01:10	If switch 1 agrees on this,
0:01:12	it transitions this interface immediately
0:01:18	which means that it is forwarding.
0:01:21	Once it has done this,
0:01:23	every other downstream facing interface
0:01:31	Once these are transitioned to blocking,
0:01:35	switch 1 then sends its own proposals
0:01:39	downstream to the other neighbors.
0:01:42	So, if we have three other
0:01:45	switch 1 is gonna say, "I know about this
0:01:51	you're gonna transition your port to root.
0:01:54	Then, send me the acknowledgment."
0:01:56	Okay, which is the proposal response.
0:01:59	Then, you in turn will block your downstream ports,
0:02:07	So, the key here is that we're
0:02:11	moving towards the leaves in this
0:02:18	And it makes them quickly
0:02:22	Now, the reason that I'm mentioning
0:02:26	will only happen if these links are
0:02:37	Where a point-to-point link
0:02:44	So, if the link for some reason
0:02:48	or it's actually plugged into a hub,
0:02:50	then, the proposal process
0:02:55	Okay, for links that are not point-to-point,
0:02:57	the normal legacy Spanning
0:03:02	Which means that we have to go through
0:03:07	Then, if we're moving from blocking to forwarding,
0:03:11	before we go to listening and learning.
0:03:15	Now, the second point is that
0:03:20	An edge-port in Rapid Spanning Tree
0:03:23	is the equivalent of a port fast enabled
0:03:28	The reason that this is significant
0:03:31	is that if one of these interfaces on
0:03:38	Host 1.
0:03:41	If this link is full-duplex,
0:03:44	it means that the proposal
0:03:47	if it is configured as "Not Edge".
0:03:53	So if switch 1 is not configured,
0:03:57	Switch 1 is gonna send the proposal.
0:04:02	And we're assuming that host 1 is
0:04:06	So, it means that it's not gonna
0:04:11	Which in turn would then force switch 1 to revert
0:04:19	So, it means that on the
0:04:22	if we don't configure these interfaces
0:04:26	we're not gonna have rapid convergence.
0:04:30	So, when you look at the overall network design,
0:04:32	we need to make sure that
0:04:35	are point-to-point non-edge ports,
0:04:39	and all other interfaces that go to end hosts or phones,
0:04:46	those need to be edge ports as defined
0:04:54	So, event though the
0:04:58	technically says that every port that is non
0:05:05	Cisco's implementation doesn't do that.
0:05:09	the Spanning Tree Port Fast command
0:05:12	to allow for backwards compatability.
0:05:16	So, they're assuming that if you're implementing Multiple
0:05:20	you're already coming from
0:05:24	So, whatever your previous
0:05:29	will then now become Rapid
0:05:35	Now, we can see this when we look at...
0:05:38	the particular topology we have now.
0:05:42	On
0:05:45	switch 4, we were looking at the...
0:05:48	the Show Spanning Tree MST
0:05:53	Show...
0:05:58	Show Spanning Tree MST 1.
0:06:05	Okay, MST 1 is for VLANs 10, 40, and 50.
0:06:10	If we look at the topology,
0:06:19	VLAN 10 is on switch 1.
0:06:22	And it's on switch 2.
0:06:25	So, right now, the traffic for that
0:06:29	this direction, because we modified
0:06:34	On switch 2,
0:06:37	if we look at the same output,
0:06:40	Okay, we can that this link
0:06:46	Okay it says it's designated blocking.
0:06:49	Okay now, it says it's designated forwarding.
0:06:51	Okay this port should be
0:06:56	If we look at the configuration
0:06:58	of that port, there's nothing there
0:07:02	If I were to go to router 2,
0:07:04	and test my reachability to router 1,
0:07:09	okay, right now, I can reach that device.
0:07:13	If I were to shut the link down,
0:07:19	then bring the link back,
0:07:21	since I'm causing a topology change now,
0:07:30	switch 2 who is connected to router 2
0:07:33	is gonna send the Rapid
0:07:37	But since this is...
0:07:40	Not running Rapid Spanning
0:07:43	it's not gonna get a response.
0:07:46	Okay, we can see this on switch 2
0:07:53	MSTP...
0:07:56	proposals.
0:08:00	Then, on router 2, let's shut
0:08:09	The interface goes down.
0:08:12	Now, the interface comes back up.
0:08:17	Switch 2 is sending the proposal.
0:08:20	It's not getting a response back in.
0:08:23	If we were to look at the time stamps,
0:08:26	we would see now that this interface...
0:08:29	is going through the normal
0:08:32	So, if we Show Spanning Tree MST 1,
0:08:36	we can see we're in learning.
0:08:45	Still on learning.
0:08:48	Now, we're on forwarding.
0:08:50	Now, router 2 can send the traffic.
0:08:51	But if you look, we can see
0:08:54	These dots are where router 2 was waiting for
0:09:01	So, what we would want to do instead here
0:09:06	is on switch 2,
0:09:08	either say at the interface level,
0:09:15	Or in global config, Spanning
0:09:23	Now, when we look at the change
0:09:30	switch 1 knows that router
0:09:36	And likewise, it should know...
0:09:39	if we...
0:09:42	Show Spanning Tree MST 1,
0:09:46	it knows that router 2's link is an edge port.
0:09:50	Because we're not receiving
0:09:55	This would then imply...
0:09:57	that is router 2's link goes down,
0:10:05	and comes back up,
0:10:07	we should not have to wait
0:10:10	for listening and learning in
0:10:13	So, there's gonna be some basic delay here as we
0:10:19	But when we look at how many packets
0:10:25	So, it took about 6 seconds for the
0:10:29	And then for Spanning Tree to promote
0:10:39	Now, the same would be true
0:10:43	If for some reason, the link type
0:10:49	or if for some reason, maybe we're
0:10:52	and the links are only working in half duplex.
0:10:56	If we know that there's only
0:10:59	but the link is still running
0:11:02	we can say the Spanning Tree
0:11:05	which means that the proposal
0:11:12	So, both of these points,
0:11:14	with this command, the Link
0:11:17	this is whether you're running Multiple Spanning
0:11:23	So, this one is really, really straightforward.
0:11:25	If your switches support it,
0:11:29	and you don't wanna do a full
0:11:32	this is really the easiest way to go
0:11:34	Because the only thing you need to do
0:11:40	Spanning Tree Mode Rapid PVST.
0:11:54	So, we'll put it on all four of the switches.
0:12:00	Then, we'll say, Show
0:12:07	We are now running Per-VLAN
0:12:11	but the algorithm for the convergence
0:12:18	So, this is having still one instance of
0:12:23	but we're using the proposal process
0:12:27	in order to do the fast convergence
0:12:31	Still at the link levels going to the access
0:12:36	Spanning Tree Port Fast,
0:12:38	because this then is
0:12:45	Now, if we were to... Let's say we
0:12:52	And let's do a ping between...
0:12:54	router 2 and router 1.
0:12:56	We'll see that if this link goes
0:13:01	it's almost immediate that we
0:13:13	1, 2, 3, 4, 5...
0:13:18	1, 2, 3, 4, 5, 6. So that was 12 seconds.
0:13:23	Probably they didn't fully negotiate everything
0:13:34	So, if we Show Spanning Tree...
0:13:37	VLAN 10,
0:13:43	it says, "Fast Ethernet 13 is a point-to-point peer."
0:13:50	And let's see... What does switch 2 say?"
0:14:06	"Fast Ethernet 13 is a point-to-point peer."
0:14:08	I wonder if...
0:14:10	these switches in their different platforms.
0:14:14	I wonder if they're running
0:14:20	Because the convergence should be...
0:14:24	almost immediate.
0:14:28	But in this case, when you have
0:14:31	you don't need to configure
0:14:38	Okay, there's a question. So for...
0:14:44	Rapid Spanning Tree protocol, you have to enable
0:14:49	To configure them as edge ports correct.
0:14:51	So, on switch 1, when we look at
0:14:57	it says that, "The link to Fast Ethernet
0:15:01	This means that if the link goes
0:15:06	we don't need to send a proposal out there.
0:15:09	We immediately go from the down state
0:15:14	But for these interfaces,
0:15:19	we do need to go to the proposal process,
0:15:22	because these are point-to-point links
0:15:25	So, let's try this one more time.
0:15:30	And then on switch 1, I'm gonna
0:15:36	which is my root port.
0:15:39	And in this case...
0:15:45	Actually, router 2 didn't drop any packets
0:15:48	Probably what happened before
0:15:52	the network wasn't properly
0:15:56	So, it means now, when switch 1 is changing
0:16:02	so from Fast Ethernet 16 is switching to 13,
0:16:05	it's taking less than 2 seconds to do that,
0:16:08	and I can tell that because my
0:16:15	Now, if we wanted to get a little more accurate
0:16:29	So, Fast Ethernet 16 now,
0:16:38	So, I'm forwarding this way.
0:16:41	The network should be re-converged.
0:16:44	Let's do the ping on router 2 again.
0:16:50	We'll say, Send...
0:16:54	Let's say 5000 packets
0:16:56	with the time out of 1 second.
0:16:59	So, once... As soon as I do this, I'm
0:17:05	So, let's start the ping on router 2.
0:17:07	And then, shut the link down on switch 1.
0:17:21	So, it didn't drop a single packet. So it means
0:17:25	is less than 1 second.
0:17:28	So, the only thing that you need to do on all
0:17:31	Spanning Tree Mode Rapid PVST.
0:17:35	And all the path selection in root bridge
0:17:41	with Per-VLAN Spanning Tree,
0:17:43	all of that is gonna stay the same.
0:17:46	The only difference is that
0:17:49	we're using the Rapid Spanning
0:17:52	as opposed to the legacy 802.D algorithm.

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CCIE R&S Advanced Technologies Class v4.5
Title:	CCIE R&S Advanced Technologies Class v4.5
Duration:	81h 42m
The CCIE Routing & Switching Advanced Technologies Class is the first step in understanding CCIE level technologies and is a companion to the Advanced Technologies Lab Workbook. Each technology you need to know for the CCIE Routing & Switching lab will be described in detail using an instructor led hands on demonstration. The class consists of over 80 hours of in depth explanations and examples.
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