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2017
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1
Helpful
35
Replies

Unable to ping my switches and routers for SSH

Student HoGent
Level 1
Level 1

I am new to cisco, and I got a project for school. I have to make a small office.
I got a couple of problems that I would like to solve.

1. I gave my switches and routers a IP on

VLAN 1

but I can only ping one switch

(L3-SW-01)

All the rest i can't ping.
2. I have also to do SSH on my switches and routers. But only my IT department has to do it. And this is in VLAN 60.

All the passwords on the switches and routers are: robbie

Here is the network file.

Thanks in advance.

35 Replies 35

Valn 1

is up down?

Line protocol is still down on those Switches

Then

vlan 1

is not on the trunks

Send

show int trunk

commamd

That's what

SW-01

say. And this is for

SW-02

to and the routers

 

SW-01#sh int vlan 1

Vlan1 is up, line protocol is down

Hardware is CPU Interface, address is 000a.4189.3738 (bia 000a.4189.3738)

Internet address is 192.168.125.117/28

MTU 1500 bytes, BW 100000 Kbit, DLY 1000000 usec,

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

Encapsulation ARPA, loopback not set

ARP type: ARPA, ARP Timeout 04:00:00

Last input 21:40:21, output never, output hang never

Last clearing of "show interface" counters never

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

Queueing strategy: fifo

Output queue: 0/40 (size/max)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

1682 packets input, 530955 bytes, 0 no buffer

Received 0 broadcasts (0 IP multicast)

0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

563859 packets output, 0 bytes, 0 underruns

0 output errors, 23 interface resets

0 output buffer failures, 0 output buffers swapped out




SW-01#

Show interface trunk 

SW-01#sh int trunk

Port Mode Encapsulation Status Native vlan

Fa0/1 on 802.1q trunking 1

Fa0/2 on 802.1q trunking 1




Port Vlans allowed on trunk

Fa0/1 1,10,20,30,40,50,60,70,80

Fa0/2 1,10,20,30,40,50,60,70,80




Port Vlans allowed and active in management domain

Fa0/1 1,30,50,70

Fa0/2 1,30,50,70




Port Vlans in spanning tree forwarding state and not pruned

Fa0/1 1,30,50,70

Fa0/2 30,50,70




SW-01#

Good.

And you did

Int vlan 1

 No shutdown

?

Now it's up but I can't ping it

Try more than once. It is normal fail a few times

Still not working, I have tried to ping it a few times now and still no output. But they are now both UP.

SW-01 the gateway was wrong. 

SW-02 the mask is wrong for vlan 1

now all is piinging

Thx for helping my out. I really appreciate it.

But now I have to try pinging to my

CORE-R1 and R2

They both have already an IP in

VLAN 1


They are connected to the layer 3 switch. I need to use Static routing. What I also did.

Attach here you latest file please, let me see

Here is the latest file.

The way you did will not work. 

 If you want to keep the

vlan 1

on the router on the same network

192.168.125.0 /28

you need to have Layer2 between the L3 switch and router. 

 The L3 switch will not send packets to a remote network IF it has this network on it.  Do you get this? 

You have this on the L3 switch.

Vlan1 192.168.125.115 

YES manual up up

So that, if you try to ping anything on the

Vlan  1 (192.168.125.0)

the L3 switch will look into Vlan1, it will not send it out a Layer 3 interface to get to the router.

Either you use layer2 connection between L3 switch and Router or you use a different IP to manage the Routers.

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