GNS3 3745 - no switch connectivity

Hi all

use GNS3, and than switch 16port module. I created an instance of PC and connection to f/0/0, which is a port of layer 3, I can connect through Layer 3 IPs. Then, I reconfigured and connected to the instance of PC through a layer 2 port f2/0 which is part of the switch 16port module. The 16 ports are by default in the vlan 1. I have assigned an IP address of to the VLAN and gave the PC I can't ping and I can not even ping, VLAN 1 IP. Did I miss something? Thank you.

Mark Sargent

Router #sh worm

Cisco IOS Software, software 3700 (C3745-SPSERVICESK9-M), Version 12.4 (19), RELEASE SOFTWARE (fc1)

Router #ping

Type to abort escape sequence.

Send 5, echoes ICMP 100 bytes to, time-out is 2 seconds:


Success rate is 0% (0/5)

Router #sh arp

Protocol of age (min) address Addr Type Interface equipment

Internet - c402.2668.0000 ARPA Vlan1

Router #sh ip int br

Interface IP-Address OK? Method State Protocol

FastEthernet0/0 unassigned YES manual up up

Serial0/0 YES no not defined administratively down down

FastEthernet0/1 no YES not defined administratively down down

Serial0/1 no YES not defined administratively down down

FastEthernet2/0 not assigned YES unset up towards the bottom

FastEthernet2/1 no YES undefined upward to the bottom

FastEthernet2/2 no YES undefined upward to the bottom

FastEthernet2/3 no YES undefined upward to the bottom

FastEthernet2/4 no YES undefined upward to the bottom

FastEthernet2/5 no YES undefined upward to the bottom

FastEthernet2/6 no YES undefined upward to the bottom

FastEthernet2/7 no YES undefined upward to the bottom

FastEthernet2/8 YES no not set up down

FastEthernet2/9 no YES undefined upward to the bottom

FastEthernet2/10 YES no undefined up down

FastEthernet2/11 no undefined upward down YES

FastEthernet2/12 no YES undefined upward to the bottom

FastEthernet2/13 no undefined upward down YES

FastEthernet2/14 no undefined upward down YES

FastEthernet2/15 no YES undefined upward to the bottom

Vlan1 YES manual downwards upwards

Router #sh int f2/0 switchport

Name: Fa2/0

Switchport: enabled

Administrative mode: static

Operational mode: down

Encapsulation of administrative circuits: dot1q

Negotiating Trunking: disabled

The VIRTUAL LAN access mode: (default) 1

Native mode VLAN Trunking: 1 (default)

VLAN Trunking enabled: ALL

Assets of VLAN Trunking: no

Priority for unmarked frames: 0

Override the priority tag vlan: FALSE

The voice of VLAN: no

The unit trust: no

Ports of status for the name of VLAN

---- -------------------------------- --------- -------------------------------

1 active default 0/Fa2 Fa2/1, Fa2/2 Fa2/3

FA2/4 Fa2/5, 6/Fa2 Fa2/7

FA2/8, 9/Fa2, Fa2/10, Fa2/11

FA2/12 Fa2/13, 14/Fa2 Fa2/15

active by default fddi 1002

assets of token-ring-default 1003

1004 fddinet - default active

1005 trnet - default active

Network type VLAN SAID MTU Parent RingNo BridgeNo Men BrdgMode Trans1 Trans2

---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

1 100001 1500 enet - 1002 1003

1002 101002 1500 fddi - 1 1003

1003 b 1005 1500 101003 0-1 1002 srb

1004 etnbdf 1500 101004 - 1 ibm - 0 0

1005 trnet 101005 1500 - 1 ibm - 0 0

Router #sh int vlan 1

Vlan1 is up, line protocol is down

Material is EtherSVI, the address is c402.2668.0000 (bia c402.2668.0000)

The Internet address is

MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Type of the ARP: ARPA, ARP Timeout 04:00

Last entry, never, never hang output

Final cleaning of "show interface" counters never

Input queue: 0/75/0/0 (size/max/drops/dumps); Total output drops: 0

Strategy of queues: fifo

Output queue: 0/40 (size/max)

5 minute input rate 0 bps, 0 packets/s

5 minute output rate 0 bps, 0 packets/s

0 packets input, 0 bytes, 0 no buffer

Received 0 broadcasts, 0 Runts, 0 Giants 0 shifters

entry 0, 0 CRC errors, frame 0, saturation 0, 0 ignored

12 bags of output, 890 bytes, 0 underruns

output 0 error, 1 interface resets

unknown protocol 0 drops

output buffer, the output buffers 0 permuted 0 failures

you need to change cable

share this i must configure the interface in this way:

int fa2/0


SW acc vla 1


only HS





Take care


Tags: Cisco Network

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