It's been a while, so let me restate the problem.
R1------internet-------R2------ethernet-------R3-------frame_relay--------re
st of network
|-----IPsec_tunnel---|
IPX encapsulated
IPX RIP --------------------------------------------| |-----------------IPX
EIGRP-----------|
hope this makes sense.
all routers are seeing all servers and all routes.
However, the IPX client workstation cannot see or log on to a server located
somewhere in the EIGRP domain.
I had been blowing off the customer, telling him it was a workstation / NIC
problem. He finally got ticked at me, and I finally went on site to see what
I can see. Note - I am in sales, not implementation. The implementation
people closed the project once they saw all IPX routes on the R1 router.
So I arrive on site, and find that IPX pinging is not properly working. R1
can IPX ping to R2, but not to R3, or anywhere else in the IPX EIGRP domain
and visa versa. HHHhhhhmmmmmmm.......... IPX routes are showing up
everywhere. IPX servers show up everywhere. debug IPX routing shows routing
exchanges taking place. But IPX ping fails from the IPX RIP domain into the
IPX EIGRP domain and back. Got a clue?
I didn't, so I opened a TAC case.
Let me add that R1 and R2 are 827 routers with IP/IPX/IPSec IOS images. R3
and the rest of the network are 1720 routers with desktop images.
Cisco's answer, given in an offhand manner after reviewing my configs, blew
me away. I can come up with no rationale as to why their solution worked.
But here it is:
add the statement "no ipx route-cache" to the tunnel interfaces of the
827's. One of my pals in implementation telneted in, did so, and told me
that IPX ping was now working fine from every place to every other place in
the network.
Cisco TAC told me that "it sounded like a problem with fast cache" Huh?
What further puzzles me is that I cannot duplicate the issue here in my own
lab. IPX pinging works just fine from the RIP domain to the EIGRP domain
across the IPsec tunnel. 25xx routers all, with more or less the same IOS
versions.
Well, this one has been fun. chalk up another one to the vagaries of the
bloatware that the IOS is becoming/has become.
Chuck
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=34231&t=34231
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