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New Member

Strange PING result...

Hello,

A little part of my conf :

interface GigabitEthernet0/1.101

description Public network

ip address 11.22.33.44 255.255.255.0

interface GigabitEthernet0/1.110

description Private network

encapsulation dot1Q 110

ip address 192.168.0.1 255.255.0.0

router bgp 12345

network 11.22.33.44 mask 255.255.255.0

When I ping :

ping 192.168.0.10 source 192.168.0.1

!!!!!

ping 192.168.1.128 source 192.168.0.1

!!!!!

ping 192.168.0.10 source 11.22.33.44

!!!!!

ping 192.168.1.128 source 11.22.33.44

....

Why ? I dont understand...

Jerome


5 REPLIES
Cisco Employee

Strange PING result...

Hi Jerome,

It probably means that host 192.168.1.128 does not have a default GW (or wrong default GW) configured.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
New Member

Strange PING result...

The host have two interfaces. One with 11.22.33.55/24, a second with 192.168.1.128/24. 11.22.33.44 is use as default route. If I ping 192.168.0.1 no problem. If I try to connect on 192.168.0.100 : No route to host.

Cisco Employee

Strange PING result...

Hi Jerome,

There is quite a bit of missing information.

What type of OS is host 192.168.1.128? 

What is the reason the router has a /16 as subnet mask and the host as a /24?

Why is host 192.168.1.128 dually connected?

Can you please provide a snapshot of the routing table for 192.168.1.128?

> The host have two interfaces. One with 11.22.33.55/24, a second with  192.168.1.128/24.

> 11.22.33.44 is use as default route. If I ping  192.168.0.1 no problem. If I try to connect on

> 192.168.0.100 : No route  to host.

Does host 192.168.0.100 have a default GW? If so, is it 192.168.0.1?

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Green

Strange PING result...

Hi,

Looks like the router for device 192.168.1.128 does not have a route to 11.22.33.44

I dont see any mention of the network for 192.168.1.128 in the config you have shown

Regards,
Alex.
Please rate useful posts.

Regards, Alex. Please rate useful posts.
New Member

Strange PING result...

192.168.1.128 is include in 192.168.0.0/16. Not ?

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