CCIE Routing & Switching Advanced Technologies Class - EIGRP Update Types, EIGRP Neighbor, EIGRP Passive-Interface

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 34m
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 59m

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

0:00:12	So, on our next section, we're gonna
0:00:16	packets that EIGRP can use for transport,
0:00:19	which is similar to RIP Version 2,
0:00:22	where by default, the protocol is going
0:00:29	and again, EIGRP does use its own transport
0:00:35	However, some of these messages, like the
0:00:40	acknowledgements to the updates,
0:00:43	replies to the query messages, those are
0:00:47	So, this implies that we need to have
0:00:51	between the devices, but also
0:00:55	Now, where this could
0:00:58	is if there's any type of troubleshooting
0:01:02	maybe there's access lists that are
0:01:05	going to protocol 88, thats gonna stop us
0:01:11	which includes the synchronization
0:01:15	Now, just like in RIP Version 2,
0:01:21	transport by using the
0:01:23	One minor difference
0:01:26	is that in RIP, when we issue
0:01:28	it sends unicasts in addition
0:01:33	where with EIGRP, the neighbor
0:01:37	and the listening for and
0:01:41	So, this essentialy means that
0:01:45	we're gonna have to use it on
0:01:48	Now, the passive interface in EIGRP
0:01:53	Since we are establishing
0:01:57	that we need both the inbound
0:02:00	establish the routing table and the topology.
0:02:04	It means that any link
0:02:07	would not have adjacencies
0:02:11	So, passive interface typically in EIGRP
0:02:16	Where we want to advertise an interface
0:02:22	But we don't want to establish
0:02:25	So, we'll see, it's different than
0:02:30	So, let's take a look at this
0:02:34	between router 5 and switch 2,
0:02:39	we have simply two neighbors on this link.
0:02:42	So, if we were to look at the Debug IP
0:02:48	we should see that router 5 in switch 2
0:02:56	for their exchange of the database.
0:02:58	Then, if there's any type of Layer 2
0:03:03	we'll see what the result of that is from the show-up
0:03:09	So, let's take a look at the
0:03:13	And let's see, at this point, do we actually
0:03:17	So, again, if we look at the
0:03:22	this tells me that I
0:03:26	on that link that connects to switch 2,
0:03:30	So, it says, "There's one PR on the link."
0:03:33	If we look at the Show IP EIGRP Neighbors,
0:03:36	I can see that I do have adjacency
0:03:40	and the queue count is 0.
0:03:44	So, the queue count being
0:03:50	that all of those neighbors are fully adjacent
0:04:00	So, next, let's look at the
0:04:04	between router 5 and switch 2,
0:04:08	and then we will add new
0:04:13	we'll also clear the neighbors and see
0:04:17	Now, the cutdown on a
0:04:20	what I'm gonna do first is simply
0:04:23	that were running EIGRP on.
0:04:26	Which would be router 5's connection
0:04:30	And then also that point-to-point link
0:04:35	So, now, we could look at
0:04:39	and also the Debug EIGRP Packets.
0:04:54	And we see between these
0:04:57	from the interface address of swtich 2,
0:05:01	we have packets going to 224.0.0.10.
0:05:03	It says, "The protocol number is 88."
0:05:06	So, we can tell in fact that this is EIGRP
0:05:10	Now, if I were to clear the neighbors,
0:05:14	once we're looking at the same debug
0:05:18	and Debug EIGRP Packets.
0:05:21	Then say Clear IP EIGRP Neighbors.
0:05:27	And we could see, this is quite a lot debug output
0:05:34	So, normally, within the scope of the exam,
0:05:38	you would not want to send this type
0:05:43	You ideally would wanna
0:05:46	or maybe a syslog server where you
0:05:51	But here, we could see between
0:05:56	router 5 says that it is sending an update
0:06:00	on Fast Ethernet 0/0.
0:06:02	But if we look at the
0:06:04	it is a unicast between the two of them.
0:06:07	So, it's coming from router 5's
0:06:11	going to switch 2, which is 155.10.58.8.
0:06:18	Now, between these neighbors,
0:06:20	physically, in the transit path, router 5
0:06:27	So, rotuer 5's link here physically
0:06:33	There's Fast Ethernet 0/0.
0:06:35	Then there are some trunk links
0:06:38	that are gonna connect between
0:06:41	And ultimately, get us transport
0:06:45	So, let's say now that on switch 1
0:06:50	that we have some sort of filter that is breaking the
0:06:56	So, let's go to switch 1.
0:07:00	And on switch 1, if we look at our Show CDP neighbors,
0:07:04	we can see on port Fast Ethernet 0/5,
0:07:09	that this is the connection that goes to router 5.
0:07:13	So, what we're gonna say here is
0:07:17	on that VLAN 58, that the unicast
0:07:24	So, I'll allow them all to just to go through
0:07:30	Now, there's essentially two different
0:07:34	I could just create a normal access list and
0:07:40	So, to the interface that's
0:07:43	Or I could configure it as a VLAN access list
0:07:48	and then apply it to the VLAN as a whole.
0:07:53	So, both of these will essentially
0:07:57	It just depends on whether we want to apply it
0:08:04	So, first, let's create the access list.
0:08:07	On switch 1, we'll say, "Access List 100 is going
0:08:16	That is coming from...
0:08:21	switch 2 going anywhere.
0:08:24	And that is coming from
0:08:28	Then we will permit...
0:08:31	Permit anything else. Permit IP any any.
0:08:34	Now, when we look at the result to this of
0:08:39	we could see that it doesn't use
0:08:43	Instead it says, "Deny EIGRP from that host."
0:08:47	And likewise for the second line.
0:08:49	Because for some of these IP Protocol numbers,
0:08:52	the IOS does have shortcut keywords in there.
0:08:54	So, we don't have to memorize
0:08:58	So, when we say Permit TCP
0:09:02	we're simply referring to
0:09:05	Now, if there is a particular
0:09:09	we could use the command line and the access list
0:09:15	So, if were to say Access List 101
0:09:17	Permit 1 any any
0:09:20	Permit 2, 3, 4, 5 and go down the list and
0:09:27	Then we look at the Do Show Access List,
0:09:31	we could see protocol number 1 is ICMP
0:09:38	Protocol number 2 is IGMP,
0:09:43	Protocol 3 is defined but it's not
0:09:48	So, some of these, you will
0:09:50	Where number 4 is an IP in IP tunnel.
0:09:54	Now, the reason that you may wann do this
0:09:58	and do a question mark.
0:10:00	It shows you what the keywords are but it
0:10:07	And where this would be useful is if
0:10:10	and you're trying to figure out what is the
0:10:16	based on this protocol number.
0:10:19	So, here, the debug IP packet detail output,
0:10:24	but we know that simply based on the
0:10:29	And also that this is the well-known multicast
0:10:36	So, we'll see as we get into
0:10:40	I'll go over some of these shortcuts that
0:10:44	to get more information about basically things
0:10:50	because in the real world, for a lot of these things,
0:10:55	or specific ICMP type code, you don't need to memorize
0:11:01	But within the scope of the lab exam,
0:11:02	a lot of this type of stuff is not gonna be easily
0:11:11	So again, on switch 1, if we
0:11:16	I have access list 100 that is gonna deny
0:11:22	So now, I just apply this directly on to the link.
0:11:24	We'll say IP Access Group 100 in.
0:11:30	And you'll see on the Layer 2 switches, you
0:11:34	So, if we wanted both directions,
0:11:38	Or VLAN access map.
0:11:40	Now, if we look at result to this
0:11:45	and now, Show IP Route EIGRP,
0:11:48	we see that almost immediately, we loose
0:11:55	Because the unicasts are used as the
0:12:02	So, if we look at router 5 and say,
0:12:07	and the same thing on siwtch 2,
0:12:11	We'll see that we are sending the hellos
0:12:17	and we are receiving a hello that's
0:12:25	And let's see, are we
0:12:30	the VLAN interface? It doesn't look like
0:12:40	from the other neighbors.
0:12:41	So, if we look at the Show
0:12:46	this output can be kind of confusing
0:12:48	because we actually learned
0:12:52	based on the multicast hellos
0:12:56	But now, we're stuck at thet point where
0:13:02	Because when we actually go to send
0:13:06	that process is gonna fail because those
0:13:11	they are going to be the unicasts.
0:13:14	So, this would be one possible...
0:13:19	one possible way to identify
0:13:22	If we don't have any complicated
0:13:28	like we don't have any authentication
0:13:32	and if the neighbors are not
0:13:36	then it could be that there's some
0:13:41	Now, where we might also
0:13:45	would be in a non-broadcast segment.
0:13:48	If there's something wrong in
0:13:52	so, let's say for example,
0:13:56	and actually router 2 has a
0:13:59	So, let's try this on router 5.
0:14:02	If we were to go to router 5,
0:14:08	let's say that our frame-relay
0:14:12	where to get to router 2...
0:14:18	maybe I have the wrong address in
0:14:26	maybe I mistyped this as 150.10.2.0.
0:14:30	So, there's an error in the
0:14:33	Now, if we go to this interface
0:14:38	and say No Shutdown.
0:14:41	So, I'm bringing the frame-relay
0:14:45	What we should see here is that
0:14:50	that do include the broadcast keyword,
0:14:55	it means that the EIGRP hellos that I'm
0:15:00	those are gonna be replicated
0:15:05	Because remember what we
0:15:07	the frame-relay mapping for
0:15:12	it doesn't relate to what the actual
0:15:16	So, this could be any arbitrary number
0:15:19	as long as the processes that circuit number 502
0:15:29	But now, on router 5, if we look
0:15:34	we see that for neighbors 1, 3 and 4,
0:15:39	the queue count is 0, which means
0:15:42	But for router 2, the queue
0:15:46	because we're able to exchange
0:15:51	And figure out that those neighbors
0:15:54	But we'll see over and over and over
0:15:57	that we get this log message that
0:16:03	So, typically this means that the neighbors
0:16:08	But then when they actually go
0:16:11	there's some problem in
0:16:17	Now, in the case of the frame-relay,
0:16:19	we could see this if we looked
0:16:24	We'll see that router 5 is trying to send
0:16:32	And we'll see somewhere
0:16:38	that it says, "The encapsulation has failed."
0:16:41	So, we're trying to send a unicast
0:16:47	The routing table says that
0:16:50	But then when we go to the Layer 2 process,
0:16:53	Layer 2 process doesn't know how
0:16:59	So, again, anytime we see this
0:17:03	whether it's in debug frame-relay
0:17:06	it means that the router does not know
0:17:11	And typically, that happens when there's some
0:17:19	So, for our frame-relay interface here, we simply
0:17:26	In problems like this, sometimes they
0:17:31	Especially when you get later
0:17:34	Because when you're looking
0:17:37	it's easy to skip over a problem like this
0:17:40	and not realize that these two
0:17:44	That's why it is so critical to figure out what
0:17:51	besides just looking at the
0:17:54	So, what should the result of the
0:17:59	Or what should the result of the
0:18:01	or Show IP EIGRP Topology look like?
0:18:04	So, then if we see errors in
0:18:08	then we know where we need to investigate
0:18:15	But you'll see like in the
0:18:18	since the topology is fairly large,
0:18:21	a lot of the times, it's not feasible to sit there
0:18:27	to solve the problem within a
0:18:31	Now, if we have 48 hours to solve
0:18:34	then it's not gonna be a problem.
0:18:35	You could do that just based
0:18:38	But most of the time,
0:18:41	to look at the actual results of
0:18:44	and then work backwards from there.
0:18:48	Because we should know ideally
0:18:54	So now, on switch 1,
0:18:59	So, once the packets
0:19:01	we should see that now,
0:19:05	On switch 2, if we look at the
0:19:16	we see no the queue count
0:19:19	If we look at the Show IP Route EIGRP,
0:19:22	we can see that we are installing
0:19:26	So, the keypoint being here again,
0:19:28	that by default, we're gonna use
0:19:32	for the finding of the neighbors
0:19:35	Now, if we do not want to use the multicast
0:19:39	which again, would be advantageous
0:19:43	Where there are other devices
0:19:46	So, maybe there's end hosts here
0:19:51	And we don't want them to
0:19:55	So, we could say on router 5, I wanna send
0:20:01	And likewise, on switch 2, I wanna
0:20:05	So, in this case, we would
0:20:09	underneath us on the segment,
0:20:14	would be sending those unicast
0:20:18	so that they would not be switched to the ports
0:20:24	So, it's more of a security
0:20:28	that if the hosts never received
0:20:32	they don't know that that's the
0:20:34	And then they cannot gain more
0:20:43	So, on switch 2, let's go
0:20:47	And we'll specify that router 5
0:20:52	So, we have router 5's unicast address
0:20:56	So, in this case, it's VLAN 58.
0:21:04	Now, on switch 2, if we look at
0:21:09	we should see that we are still receiving
0:21:18	But on our link, the 58 interface,
0:21:33	So, we see that we are trying to
0:21:41	But router 5 is still sending
0:21:47	The issue with this though is that once
0:21:51	it disables the listening for
0:21:56	So, switch 2 is essentially discarding any of
0:22:02	Because it's looking for the unicast
0:22:06	So, if we look at the
0:22:10	we see that we don't, we do not
0:22:15	Okay, if we look at this on router 5
0:22:22	Likewise, we don't even see
0:22:25	But if we look at the debugs, we would see that
0:22:31	So, essentially, this just means
0:22:36	we need to issue the neighbor statement.
0:22:39	And then, on router 5, this is
0:22:46	If we now look at the result to this
0:22:50	we see that we have the
0:22:53	and that the queue count is 0,
0:22:59	Now, if we were to configure
0:23:03	with adding the passive interface.
0:23:06	This is going to suppress both the
0:23:12	So now, router 5 is not able to
0:23:18	So, passive interface should not be used in
0:23:21	It should be used as a
0:23:25	to stop the router from sending any EIGRP
0:23:31	There's a question here.
0:23:32	"Do we still need to use the network
0:23:35	You do still need the network command because
0:23:41	So, when we look at the
0:23:45	these links, the two Ethernets,
0:23:50	these are the links that I
0:23:53	that are matching the IP
0:23:57	So Fast Ethernet 0/0 did not have
0:24:01	Then we would never get to the point
0:24:07	So, it has to be both of them. Both the

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CCIE Routing & Switching Advanced Technologies Class
Title:	CCIE Routing & Switching Advanced Technologies Class
Duration:	81h 59m
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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