packet tracer simulation lab layer3 routing
DESCRIPTION
TRANSCRIPT
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Johnson Liu
CCIE#11440(R&S, SP)
CCSI#31346
Packet Tracer Simulation Lab
L3 Routing
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Agenda Slide
• Setup two Routers with WAN WIC(WAN Interface Card)
• Setup each LAN segment behind both Routers
• Assign WAN IP address between Routers
• Enable Static route in both Routers
• Enable RIP routing protocols
• Enable OSPF routing protocols
3/6/2013 Confidential | Copyright 2012 Trend Micro Inc.
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Setup two Routers with WAN WIC(WAN Interface Card)
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Setup two Routers with WAN WIC(WAN Interface Card)
3/6/2013 4 Confidential | Copyright 2012 Trend Micro Inc.
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Setup two Routers with WAN WIC(WAN Interface Card)
3/6/2013 5 Confidential | Copyright 2012 Trend Micro Inc.
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Router basic configurations
3/6/2013 6 Confidential | Copyright 2012 Trend Micro Inc.
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R1
R1(config)#enable secret cisco
R1(config)#line vty 0 4
R1(config-line)#password cisco
R1(config-line)#exit
R1(config)#exit
R1(config)#interface loopback0 => Loopback interface for management
R1(config-if)#ip address 1.1.1.1 255.255.255.255
R1(config-if)#^Z =>(Ctrl-Z)
R1#
%SYS-5-CONFIG_I: Configured from console by console
R1#telnet 1.1.1.1
Trying 1.1.1.1 ...Open
User Access Verification
Password:
R1>en
Password:
R1#
R1#
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Assign WAN IP address between Routers
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Setup two Routers with WAN WIC(WAN Interface Card)
3/6/2013 8 Confidential | Copyright 2012 Trend Micro Inc.
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Check interface list and status in brief
3/6/2013 9 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset administratively down down
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 unassigned YES unset administratively down down
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 1.1.1.1 YES manual up up
Vlan1 unassigned YES unset administratively down down
R1#
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Common Leased Line Physical Topology
3/6/2013 10 Confidential | Copyright 2012 Trend Micro Inc.
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DCE vs DTE
3/6/2013 11 Confidential | Copyright 2012 Trend Micro Inc.
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Routers w/ V.35 Serial cable setup back-to-back connection
3/6/2013 12 Confidential | Copyright 2012 Trend Micro Inc.
Male
V.35
Female
V.35
Serial
(DTE)
Serial
(DCE)
Clock Rate
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Check serial interface type in each router
3/6/2013 13 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh controllers s0/0/0
Interface Serial0/0/0
Hardware is PowerQUICC MPC860
DCE V.35, no clock
idb at 0x81081AC4, driver data structure at 0x81084AC0
SCC Registers:
… (omit)
R2#show controllers s0/0/0
Interface Serial0/0/0
Hardware is PowerQUICC MPC860
DTE V.35 clocks stopped.
idb at 0x81081AC4, driver data structure at 0x81084AC0
SCC Registers:
… (omit)
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Configure R1 Serial0/0/0
3/6/2013 14 Confidential | Copyright 2012 Trend Micro Inc.
R1>en
Password:
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int s0/0/0
R1(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to down
R1(config-if)#clock rate 64000 => Since R1 s0/0/0 is DCE, so it must config clock rate
R1(config-if)#ip address 10.100.1.1 255.255.255.252
R1(config-if)#^Z
R1#
%SYS-5-CONFIG_I: Configured from console by console
R1#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset administratively down down
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 10.100.1.1 YES manual down down
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 1.1.1.1 YES manual up up
Vlan1 unassigned YES unset administratively down down
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Configure R2 Serial0/0/0
3/6/2013 15 Confidential | Copyright 2012 Trend Micro Inc.
R2>en
Password:
R2#conf t
R2(config)#int s0/0/0
R2(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up
R2(config-if)#ip address 10.100.1.2 255.255.255.252
R2(config-if)#^Z
R2#
%SYS-5-CONFIG_I: Configured from console by console
R2#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset administratively down down
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 10.100.1.2 YES manual up up
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 2.2.2.2 YES manual up up
Vlan1 unassigned YES unset administratively down down
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Check R1 serial interface status
3/6/2013 16 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh int s0/0/0
Serial0/0/0 is up, line protocol is up (connected)
Hardware is HD64570
Internet address is 10.100.1.1/30
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
… (omit)
R1#ping 10.100.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/20/20 ms
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WAN interconnection was ready!
3/6/2013 17 Confidential | Copyright 2012 Trend Micro Inc.
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Setup each LAN segment behind Routers
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Setup LAN switch & host in both site
3/6/2013 19 Confidential | Copyright 2012 Trend Micro Inc.
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Check R1 interface list and status in brief
3/6/2013 20 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset administratively down down
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 10.100.1.1 YES manual up up
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 1.1.1.1 YES manual up up
Vlan1 unassigned YES unset administratively down down
R1#
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Configure R1 FastEthernet0/0/0
3/6/2013 21 Confidential | Copyright 2012 Trend Micro Inc.
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int f0/0
R1(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R1(config-if)#ip address 10.100.2.254 255.255.255.0
R1(config-if)#^Z
R1#
%SYS-5-CONFIG_I: Configured from console by console
R1#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.100.2.254 YES manual up up
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 10.100.1.1 YES manual up up
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 1.1.1.1 YES manual up up
Vlan1 unassigned YES unset administratively down down
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Configure R2 FastEthernet0/0/0
3/6/2013 22 Confidential | Copyright 2012 Trend Micro Inc.
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#int f0/0
R2(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R2(config-if)#ip address 10.100.3.254 255.255.255.0
R2(config-if)#^Z
R2#
%SYS-5-CONFIG_I: Configured from console by console
R2#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.100.3.254 YES manual up up
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0/0 10.100.1.2 YES manual up up
Serial0/0/1 unassigned YES unset administratively down down
Loopback0 2.2.2.2 YES manual up up
Vlan1 unassigned YES unset administratively down down
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Configure switches & hosts
3/6/2013 23 Confidential | Copyright 2012 Trend Micro Inc.
Keep switch default configuration without any change, because we use
switch default VLAN 1 only without management SVI and any
dedicated VLAN/Trunk port configuration
Configure host IP Address behind R1 IP Address: 10.100.2.1
Subnet Mask: 255.255.255.0
Default Gateway: 10.100.2.254 (R1 F0/0 IP Address)
Configure host IP Address behind R2 IP Address: 10.100.3.1
Subnet Mask: 255.255.255.0
Default Gateway: 10.100.3.254 (R1 F0/0 IP Address)
Now only R1 can ping PC1, R2 can ping PC2, but PC1 cannot ping
PC2, because R1 and R2 still not have complete routing information
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Enable Static route in both Routers
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How to test in routers (1/2) ?
3/6/2013 25 Confidential | Copyright 2012 Trend Micro Inc.
When execute ping function in routers under default parameter, it will
use outgoing interface IP address as source IP(ex:R1 s0/0/0), so it will
always works! R1#ping 10.100.3.1 => The host behind R2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 52/58/61 ms
That’s because the other router (R2) has WAN(10.100.1.0/30) and
LAN(10.100.1.0/30) routing information so it can route the packet
between these IP networks. R2#sh ip route
Gateway of last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
C 10.100.3.0/24 is directly connected, FastEthernet0/0
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How to test in routers (2/2) ?
3/6/2013 26 Confidential | Copyright 2012 Trend Micro Inc.
You can use extension ping as below to specify any source IP which
owns by this router interface:
R1#ping
Protocol [ip]: => Leave it alone, it means IP protocol
Target IP address: 10.100.3.1
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 10.100.2.254 => Using R1 F0/0 IP address as Source IP
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds:
Packet sent with a source address of 10.100.2.254
.....
Success rate is 0 percent (0/5)
So, let’s fix it by static route in both routers !
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Configure R1 static route
3/6/2013 27 Confidential | Copyright 2012 Trend Micro Inc.
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#ip route 10.100.3.0 255.255.255.0 10.100.1.2
R1(config)#^Z
R1#
%SYS-5-CONFIG_I: Configured from console by console
R1#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
C 10.100.2.0 is directly connected, FastEthernet0/0
S 10.100.3.0 [1/0] via 10.100.1.2
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Configure R2 static route
3/6/2013 28 Confidential | Copyright 2012 Trend Micro Inc.
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#ip route 10.100.2.0 255.255.255.0 10.100.1.1
R2(config)#^Z
R2#
%SYS-5-CONFIG_I: Configured from console by console
R2#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
S 10.100.2.0/24 [1/0] via 10.100.1.1
C 10.100.3.0/24 is directly connected, FastEthernet0/0
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Check the routing in Router and host
3/6/2013 29 Confidential | Copyright 2012 Trend Micro Inc.
R1#ping
Protocol [ip]: => Leave it alone, it means IP protocol
Target IP address: 10.100.3.1
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 10.100.2.254 => Using R1 F0/0 IP address as Source IP
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds:
Packet sent with a source address of 10.100.2.254
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 43/54/60 ms
PC>ping 10.100.3.1
Pinging 10.100.3.1 with 32 bytes of data:
Reply from 10.100.3.1: bytes=32 time=101ms TTL=126
Ping statistics for 10.100.3.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 100ms, Maximum = 101ms, Average = 100ms
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Enable RIP routing protocols
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Clear static route configuration at first
3/6/2013 31 Confidential | Copyright 2012 Trend Micro Inc.
Before we starting to configure RIP protocol, please remove the static
route in both R1 and R2 to ensure our RIP can work for routing
exchange and packet forwarding
R1#sh run
…(omit)
!
ip route 10.100.3.0 255.255.255.0 10.100.1.2
!
…(omit)
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#no ip route 10.100.3.0 255.255.255.0 10.100.1.2
R1(config)#^Z
R1#
%SYS-5-CONFIG_I: Configured from console by console
R1#sh ip route
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
10.0.0.0/24 is subnetted, 2 subnets
C 10.100.1.0 is directly connected, Serial0/0/0
C 10.100.2.0 is directly connected, FastEthernet0/0
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Configure RIP protocol
3/6/2013 32 Confidential | Copyright 2012 Trend Micro Inc.
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router rip
R1(config-router)#version 2
R1(config-router)#network 10.0.0.0
R1(config-router)#no auto-summary
R1(config-router)#^Z
R1#
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#router rip
R2(config-router)#version 2
R2(config-router)#network 10.0.0.0
R2(config-router)#no auto-summary
R2(config-router)#^Z
R2#
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Check R1 & R2 routing table
3/6/2013 33 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh ip route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
10.0.0.0/24 is subnetted, 3 subnets
C 10.100.1.0 is directly connected, Serial0/0/0
C 10.100.2.0 is directly connected, FastEthernet0/0
R 10.100.3.0 [120/1] via 10.100.1.2, 00:00:26, Serial0/0/0
R2#sh ip route
Gateway of last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
R 10.100.2.0/24 [120/1] via 10.100.1.1, 00:00:07, Serial0/0/0
C 10.100.3.0/24 is directly connected, FastEthernet0/0
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Enable OSPF routing protocols
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OSPF Topology Design
3/6/2013 35 Confidential | Copyright 2012 Trend Micro Inc.
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Check R1 OSPF neighbor and routing table
3/6/2013 36 Confidential | Copyright 2012 Trend Micro Inc.
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
2.2.2.2 0 FULL/ - 00:00:38 10.100.1.2 Serial0/0/0
R1#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 10.100.1.2, 00:00:31, Serial0/0/0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
C 10.100.2.0/24 is directly connected, FastEthernet0/0
O IA 10.100.3.0/24 [110/65] via 10.100.1.2, 00:08:39, Serial0/0/0
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Check R2 OSPF neighbor and routing table
3/6/2013 37 Confidential | Copyright 2012 Trend Micro Inc.
R2#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 0 FULL/ - 00:00:36 10.100.1.1 Serial0/0/0
R2#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
O 1.1.1.1 [110/65] via 10.100.1.1, 00:02:13, Serial0/0/0
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.100.1.0/30 is directly connected, Serial0/0/0
O IA 10.100.2.0/24 [110/65] via 10.100.1.1, 00:10:06, Serial0/0/0
C 10.100.3.0/24 is directly connected, FastEthernet0/0
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Q&A
3/6/2013 38 Confidential | Copyright 2012 Trend Micro Inc.
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Appendix
3/6/2013 39 Confidential | Copyright 2012 Trend Micro Inc.
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PDU Simulation for troubleshooting
3/6/2013 40 Confidential | Copyright 2012 Trend Micro Inc.
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PDU Simulation for troubleshooting
3/6/2013 41 Confidential | Copyright 2012 Trend Micro Inc.
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PDU Simulation for troubleshooting
3/6/2013 42 Confidential | Copyright 2012 Trend Micro Inc.