I don't think you can do this? The standby router doesn't have the
translation table of the active router, so when the active router went down
you will lose your connection.
Jason Fletcher
"Simon Watson" wrote in message ...
><html><DIV>Hi Guys</DIV>
><DIV> </DIV>
><DIV>I've got 2 dual ethernet Cisco 1605 routers connected to each other
via 2 cascaded hubs.Both sets of interfaces are set up for HSRP.(eth0 of
both routers are in one HSRP group & eth1 are in another HSRP
group). Both routers have also been set up to staically NAT a device(which
will be called Test PC) on the local network which is connected to eth
1 of the routers.Also tracking is set on both of the primary router's
interfaces to monitor the other interface.</DIV>
><DIV> </DIV>
><DIV>Eth0 on both routers are connected to a Core router via a hub. In
normal operation, if the test PC sent continous
PING's to a device hanging on the Core router, it's local IP address is
translated by the HSRP Primary router & routed towards the core router
& all is well. On inspection of the Core routers ARP cache shows
the translated IP address of test PC and the virtual MAC- address of the
primary (int eth0) HSRP router as expected.</DIV>
><DIV> </DIV>
><DIV>However if the cable on eth1 of the Primary router is plugged out to
invoke the Standby router to become active the PING's seemed to be not
getting through. On inspection of the 2 1600 routers the changover of the
Standby router from standby to active has taken place, with the Primary
router now in a standby state.</DIV>
><DIV> </DIV>
><DIV>However on inspecting the ARP cache of the core router, instead of
seeing the translated IP address of the test PC with the virtual MAC
address, the translated IP address was seen with the REAL hardware address
of the now standby interface on the primary router, thus causing the PING's
not to work.</DIV>
><DIV> </DIV>
><DIV>I've tried this with another set of routers & the same thing
happened. Has Cisco got a bug with HSRP being configured with a router when
NAT is also configued. Plase let me know your thoughts on this matter.</DIV>
><DIV> </DIV>
><DIV>Thanks</DIV>
><DIV>Simon CCNP</DIV><br clear=all><hr>Get Your Private, Free E-mail from
MSN Hotmail at <a
href="http://www.hotmail.com">http://www.hotmail.com</a>.<br></p></html>
>
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