Problems using the extended ping command

Problems using the extended ping command
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Subject Author Date
Problems using the extended ping command Jason 01-08-2008
Posted by Jason on January 8, 2008, 5:21 pm
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When I try to use the extended ping command and specify a source IP address
I am receiving an 'invalid source' error. I have tried many different
combinations but with no joy, it does, however, work if I specify an
iterface (such as serial 0). I've also tried this on my 2611 router with
the same results, even if I type '?' at the 'source address' prompt I still
receive an eror message - does anyone have any ideas?

TIA, Jase


EAGLE2#ping
Protocol [ip]:
Target IP address: 192.168.1.2
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 192.168.3.2
% Invalid source
Source address or interface: 10.0.0.1
% Invalid source
Source address or interface: serial 0
Type of service [0]:
Set DF bit in IP header? [no]:


EAGLE2 uptime is 24 minutes
System restarted by reload
System image file is "flash:c2500-d-l_120-11.bin"

cisco 2500 (68030) processor (revision L) with 6144K/2048K bytes of memory.
Processor board ID 06110204, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.1.
1 Token Ring/IEEE 802.5 interface(s)
2 Serial network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102

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Posted by Scooty on January 8, 2008, 6:28 pm
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wrote:
> When I try to use the extended ping command and specify a source IP addres=
s
> I am receiving an 'invalid source' error. I have tried many different
> combinations but with no joy, it does, however, work if I specify an
> iterface (such as serial 0). I've also tried this on my 2611 router with
> the same results, even if I type '?' at the 'source address' prompt I stil=
l
> receive an eror message - does anyone have any ideas?
>
> TIA, Jase
>
> EAGLE2#ping
> Protocol [ip]:
> Target IP address: 192.168.1.2
> Repeat count [5]:
> Datagram size [100]:
> Timeout in seconds [2]:
> Extended commands [n]: y
> Source address or interface: 192.168.3.2
> % Invalid source
> Source address or interface: 10.0.0.1
> % Invalid source
> Source address or interface: serial 0
> Type of service [0]:
> Set DF bit in IP header? [no]:
>
> EAGLE2 uptime is 24 minutes
> System restarted by reload
> System image file is "flash:c2500-d-l_120-11.bin"
>
> cisco 2500 (68030) processor (revision L) with 6144K/2048K bytes of memory=
.
> Processor board ID 06110204, with hardware revision 00000000
> Bridging software.
> X.25 software, Version 3.0.0.
> Basic Rate ISDN software, Version 1.1.
> 1 Token Ring/IEEE 802.5 interface(s)
> 2 Serial network interface(s)
> 1 ISDN Basic Rate interface(s)
> 32K bytes of non-volatile configuration memory.
> 8192K bytes of processor board System flash (Read ONLY)
>
> Configuration register is 0x2102

Can you do a sh ip int brief and post the results?

Posted by Thrill5 on January 8, 2008, 11:53 pm
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The source address you specify must be configured on an interface on the
router and be in an UP/UP state. You can't just pick one at random,
otherwise how does the router get the replies?

> When I try to use the extended ping command and specify a source IP
> address
> I am receiving an 'invalid source' error. I have tried many different
> combinations but with no joy, it does, however, work if I specify an
> iterface (such as serial 0). I've also tried this on my 2611 router with
> the same results, even if I type '?' at the 'source address' prompt I
> still
> receive an eror message - does anyone have any ideas?
>
> TIA, Jase
>
>
> EAGLE2#ping
> Protocol [ip]:
> Target IP address: 192.168.1.2
> Repeat count [5]:
> Datagram size [100]:
> Timeout in seconds [2]:
> Extended commands [n]: y
> Source address or interface: 192.168.3.2
> % Invalid source
> Source address or interface: 10.0.0.1
> % Invalid source
> Source address or interface: serial 0
> Type of service [0]:
> Set DF bit in IP header? [no]:
>
>
> EAGLE2 uptime is 24 minutes
> System restarted by reload
> System image file is "flash:c2500-d-l_120-11.bin"
>
> cisco 2500 (68030) processor (revision L) with 6144K/2048K bytes of
> memory.
> Processor board ID 06110204, with hardware revision 00000000
> Bridging software.
> X.25 software, Version 3.0.0.
> Basic Rate ISDN software, Version 1.1.
> 1 Token Ring/IEEE 802.5 interface(s)
> 2 Serial network interface(s)
> 1 ISDN Basic Rate interface(s)
> 32K bytes of non-volatile configuration memory.
> 8192K bytes of processor board System flash (Read ONLY)
>
> Configuration register is 0x2102



Posted by Jason on January 9, 2008, 4:05 am
If you were  Registered and logged in, you could reply and use other advanced thread options
radnVkw0q_MzhnanZ2dnUVZ_uWlnZ2d@comcast.com:

> The source address you specify must be configured on an interface on
the
> router and be in an UP/UP state. You can't just pick one at random,
> otherwise how does the router get the replies?
>
>> When I try to use the extended ping command and specify a source IP
>> address
>> I am receiving an 'invalid source' error. I have tried many different
>> combinations but with no joy, it does, however, work if I specify an
>> iterface (such as serial 0). I've also tried this on my 2611 router
with
>> the same results, even if I type '?' at the 'source address' prompt I
>> still
>> receive an eror message - does anyone have any ideas?
>>
>> TIA, Jase
>>
>>
>> EAGLE2#ping
>> Protocol [ip]:
>> Target IP address: 192.168.1.2
>> Repeat count [5]:
>> Datagram size [100]:
>> Timeout in seconds [2]:
>> Extended commands [n]: y
>> Source address or interface: 192.168.3.2
>> % Invalid source
>> Source address or interface: 10.0.0.1
>> % Invalid source
>> Source address or interface: serial 0
>> Type of service [0]:
>> Set DF bit in IP header? [no]:
>>
>>
>> EAGLE2 uptime is 24 minutes
>> System restarted by reload
>> System image file is "flash:c2500-d-l_120-11.bin"
>>
>> cisco 2500 (68030) processor (revision L) with 6144K/2048K bytes of
>> memory.
>> Processor board ID 06110204, with hardware revision 00000000
>> Bridging software.
>> X.25 software, Version 3.0.0.
>> Basic Rate ISDN software, Version 1.1.
>> 1 Token Ring/IEEE 802.5 interface(s)
>> 2 Serial network interface(s)
>> 1 ISDN Basic Rate interface(s)
>> 32K bytes of non-volatile configuration memory.
>> 8192K bytes of processor board System flash (Read ONLY)
>>
>> Configuration register is 0x2102
>
>

The source address I'm using is on another router which can't ping the
destination address, I'm troubleshooting the problem & running the
extended ping from this router as if the ping had originated on the
other. Both routers in question can ping each other fine, this seems
similar to examples I've seen on Cisco's site regarding the extended
ping command.

Jase

Posted by alexd on January 9, 2008, 4:24 am
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On Wed, 09 Jan 2008 09:05:02 +0000, Jason wrote:

> The source address I'm using is on another router which can't ping the
> destination address, I'm troubleshooting the problem & running the
> extended ping from this router as if the ping had originated on the
> other. Both routers in question can ping each other fine, this seems
> similar to examples I've seen on Cisco's site regarding the extended
> ping command.

Similar, but differing in one small regard: you're setting the source
address to be that of a different router, and it won't work.

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