[nsp] Secondary IP address not seen

[Todd, Douglas M.]

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Terry:

Are you still having issues with this device or did you figure it
out?

==DMT>

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Douglas M. Todd, Jr.
CCNA, CCNP, CIT
Network Engineering
Partners Health Care
Building 149
149 13 Street
Charlestown, MA 02129-200
Tel: 617.726.1403
Email: dtodd@partners.org
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- -----Original Message-----
From: Terry Brown [mailto:telbrown@btinternet.com]
Sent: Tuesday, July 30, 2002 9:55 AM
To: cisco-nsp@puck.nether.net
Subject: [nsp] Secondary IP address not seen


Guys,
 
Can anyone offer an explanation for the following: -
 
I have allocated a secondary IP address to a FastEthernet interface
on my 7204 router running IOS 12.1 using the following command: -
 
 "ip address x.x.x.x x.x.x.x secondary"

[The interface is running HSRP on the primary address but not on the
secondary]

 I have an IP helper on the interface to my DHCP server.
 
I have created an additional superscope on the DHCP server so that I
can have 500+ IP addresses on the same wire.
 
The problem is I cannot see the secondary IP address from the network
(cannot ping it from a client machine or even from the router
itself). If I do a show run the interface has accepted the address.
If I ping the broadcast address for the secondary subnet I get a
response from all IP addresses on both the primary and the secondary
subnets. If I manually edit a client PC with an IP address from the
secondary range but use the primary address gateway as the default
then the machine can communicate over the network., but if I allocate
the default gateway as the secondary IP address on the interface the
client cannot see it??
 
Any ideas guys?
 
Regards
 
Tel

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