(PM) PM3 and OSPF

Steve Walker (support@bucks.net)
Fri, 24 Jul 1998 11:31:02 +0100

Hi all;

Well this will be my first nasty question and i hope i give the right
ammount of pre-answers - so here goes

***GULP***

Background

We have a PM3 with a CISCO 4500 attached - we had a USR TC but sold it due
to space probs and the need to do K56 but thats by-the-by. So onto our prob
dial up users sometimes complain they connect and cannot go anywhere the
connection is alive and they have an IP and the other defaults the PM sends
too them. If they ping anything they get no reply and they cannot be pinged
either, be it fixed IP or dynamic. So moving on this is intermittant and
some users never experiance the problem others most connect times.

So onto the spec:

PM3 ComOS3.7.2c3
CISCO 4500

Radius for Dynamic User:

mrfoo Password = "bar"
Service-Type = Framed-User,
Framed-Protocol = PPP,
Framed-IP-Address = 255.255.255.254,
Framed-IP-Netmask = 255.255.255.255,
Framed-Routing = None,
Framed-Compression = Van-Jacobson-TCP-IP,
Framed-MTU = 1500,
Port-Limit = 1,
Idle-Timeout = 1200

Diff for Static:

Framed-IP-Address = 195.112.36.67,
Framed-Route = "195.112.36.67 195.112.36.67 1",

These are our default radius entires as per the USR (Tweaked for the PM) but
they worked fine before minus all the Framed-Netmask and Framed-Route
addin's So moving on *I* dial in as mrfoo and have my dynamic IP i will be
able to 100% ping ANY address that is NOT 112.37.* or 112.36.* So i aim for
MS www or www.foobar.com and i will always get a reply if i try and ping
into our office say 195.112.37.161 i cant and it times out this might happen
when i connet or after say 5 mins of connect time. Then i recoonect as a
STATIC ip and a temp route added i again might get a reply for a few min's
or not at all, i then disconnect and reconnect it will be fine - again for
2-3 hr's or only 5 mins so we have proved it is not just statis users who
suffer.

We have the IP;'s ...112.36.*(DialUP) and ...112.37.*(Building) and the
...112.45.*(PM3's etc)

So we have this on the common SHOW's

SHOW ROUTES

0.0.0.0 0 195.112.45.30 local NS 1 ether0
195.112.36.78 32 195.112.36.78 temp HS 1 ptp2
195.112.36.185 32 195.112.36.185 local HL 1 ptp1
195.112.36.132 32 195.112.36.132 local HL 1 ptp0
195.112.36.90 32 195.112.36.90 temp HS 1 ptp32
195.112.36.146 32 195.112.36.146 local HL 1 ptp8
195.112.36.150 32 195.112.36.150 local HL 1 ptp7
195.112.36.157 32 195.112.36.157 local HL 1 ptp5
195.112.36.147 32 195.112.36.147 local HL 1 ptp4
195.112.5.228 30 195.112.45.30 ospf/E2 ND 15 ether0
195.112.45.64 27 195.112.45.28 ospf/E2 ND 15 ether0
195.112.45.32 27 195.112.45.30 ospf/E2 ND 15 ether0
195.112.36.224 27 195.112.45.30 ospf/E2 ND 15 ether0
195.112.36.192 27 195.112.45.30 ospf/E2 ND 15 ether0
195.112.45.0 27 195.112.45.28 local NL 1 ether0
195.112.36.128 26 195.112.45.28 ospf/E2 ND 15 ether0
195.112.36.64 26 195.112.45.28 ospf/E2 ND 15 ether0
195.112.36.0 26 195.112.45.28 ospf/E2 ND 15 ether0
195.112.37.0 24 195.112.45.30 ospf/E2 ND 15 ether0
195.112.36.70 32 195.112.36.70 local HS 1 Unknown

ospf area>

Area Network Range Type ID Key Type Cost
--------------- ------------------ ---- --- ---------------- -------- ----

---
0.0.0.0         *195.112.45.0/27     **** *** blahblah         External N/A

ospf neighbor>

I/face Area Neighbor State Pri IP Address Hello ID ------ --------------- --------------- -------- --- --------------- ----- -- - ether0 0.0.0.0 195.112.45.1 Full/BDR 1 195.112.45.1 7 N/A 195.112.45.30 Full/DR 1 195.112.45.30 4 N/A

The PM3 is 195.112.45.28 and we route 112.37. into our building and 112.36. to the dialup pool and the Dynamic and Static come from the same pool of IP;s. My concern is the OSPF is either bad? or not setup properly the USR used RIP before and we never had any probs the routing is all the same no changes to IP;s we swapped it for a PM3 gave it the same IP and then enabled OSPF as the CISCO supports it and these problems show up from then onwards.

Please can someone help us either use RIP <g> or show us what we have done wrong, i have been thou the book and the only thing i see wrong is the Area 0.0.0.0 ? as all the book examples show Area 195.112.37.0 Net/Range 195.112.37.1 <- Example for us.. and we have only 0.0.0.0 - is this the problem? Im sorry if this is a nasty long email i wanted to provide as much information as possible withour 10-15 post;s adding a line at a time...

You can email me in priv to save the list huge replies or if its one line ! then please remember to SNIP my crap out (I hate to see emails that are 99% orig sender and 1% a new whitty comment..)

Mucho thanks,

Steve Walker Technical Support Bucks.Net

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