From: MMoniz (ccie2002@tampabay.rr.com)
Date: Sat Jun 12 2004 - 18:46:14 GMT-3
hmmmm...is it just ICMP traffic that doesn't work or any IP? Try to telnet
to one of the spokes and debug ip packet.
What does the command sho isis top show?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Joe Chang
Sent: Saturday, June 12, 2004 4:25 PM
To: Ty; Sharma, Mohit; Ccielab@Groupstudy.Com
Subject: Re: Routers going crazy (ISIS??)
Ah, sorry Ty.
----- Original Message -----
From: "Ty" <tycampbell@comcast.net>
To: "Joe Chang" <changjoe@earthlink.net>; "Sharma, Mohit"
<mohit.sharma@hp.com>; "Ccielab@Groupstudy.Com" <ccielab@groupstudy.com>
Sent: Saturday, June 12, 2004 2:58 PM
Subject: Re: Routers going crazy (ISIS??)
> I know the AFI doesn't have to be the same..I just wanted him to try using
> the same AFI to see if this does change the result.
> ----- Original Message -----
> From: "Joe Chang" <changjoe@earthlink.net>
> To: "Ty" <tycampbell@comcast.net>; "Sharma, Mohit" <mohit.sharma@hp.com>;
> "Ccielab@Groupstudy.Com" <ccielab@groupstudy.com>
> Sent: Saturday, June 12, 2004 1:16 PM
> Subject: Re: Routers going crazy (ISIS??)
>
>
> > Even if the AFIs are different, that should not affect connectivity
> (whether
> > that be CLNS or IP). AFI's don't identify subnets, but the router
itself.
> > Routers of different AFI's should be able to participate on the same
> subnet,
> > else there can be no L1-L2 links.
> >
> > ----- Original Message -----
> > From: "Ty" <tycampbell@comcast.net>
> > To: "Sharma, Mohit" <mohit.sharma@hp.com>; "Ccielab@Groupstudy.Com"
> > <ccielab@groupstudy.com>
> > Sent: Saturday, June 12, 2004 2:09 PM
> > Subject: Re: Routers going crazy (ISIS??)
> >
> >
> > > make your AFI in the NSAP the same...typically it is 47 or 49
> > >
> > > ie..i changed the AFI in your config below
> > >
> > > you may wany to make the system id 6 bytes
> > >
> > > typically i use
> > > AFI Area -------System ID--------- N Selector
> > > XX. XXXX. XXXX. XXXX. XXXX. XX
> > >
> > > first 2 X's are AFI.
> > > next 4 is for area id
> > > next 12 are system id - must be unique to each system -
> > > last 2 are N selector..I typically leave these at 00
> > >
> > > here is how I usually do a net for ISIS
> > >
> > > int s0
> > > ip add 10.10.50.2 255.255.255.0
> > > ip router isis
> > >
> > > router isis
> > > net 49.0001.0100.1005.0002.00
> > >
> > > I typically transfor the IP address to equal 6 bytes
> > > ex -
> > >
> > > 10.10.10.50.2 = 010 010 050 002 = 0100.1005.0002 for a system id :-)
> > >
> > > HTH!
> > >
> > >
> > >
> > >
> > > Rack1R3#
> > > router isis
> > > net 47.0001.0001.0003.00
> > > redistribute eigrp 101
> > > passive-interface Loopback0
> > > !
> > >
> > > Rack1R4#
> > > router isis
> > > net 47.0001.0001.0004.00
> > > redistribute ospf 1
> > > passive-interface Loopback0
> > > no hostname dynamic
> > >
> > > Rack1R5#
> > > !
> > > router isis
> > > net 47.0001.0001.0005.00
> > > passive-interface Loopback0
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Sharma, Mohit" <mohit.sharma@hp.com>
> > > To: "Ty" <tycampbell@comcast.net>; "Ccielab@Groupstudy.Com"
> > > <ccielab@groupstudy.com>
> > > Sent: Saturday, June 12, 2004 12:54 PM
> > > Subject: RE: Routers going crazy (ISIS??)
> > >
> > >
> > > Here it is-
> > > Rack1R3#
> > > router isis
> > > net 1e.0001.0001.0003.00
> > > redistribute eigrp 101
> > > passive-interface Loopback0
> > > !
> > >
> > > Rack1R4#
> > > router isis
> > > net 28.0001.0001.0004.00
> > > redistribute ospf 1
> > > passive-interface Loopback0
> > > no hostname dynamic
> > >
> > > Rack1R5#
> > > !
> > > router isis
> > > net 32.0001.0001.0005.00
> > > passive-interface Loopback0
> > > !
> > >
> > > Thanks,
> > > Mohit.
> > > -----Original Message-----
> > > From: Ty [mailto:tycampbell@comcast.net]
> > > Sent: Saturday, June 12, 2004 7:49 PM
> > > To: Sharma, Mohit; Ccielab@Groupstudy.Com
> > > Subject: Re: Routers going crazy (ISIS??)
> > >
> > > could you include your isis config also ?
> > > ----- Original Message -----
> > > From: "Sharma, Mohit" <mohit.sharma@hp.com>
> > > To: "Ccielab@Groupstudy.Com" <ccielab@groupstudy.com>
> > > Sent: Saturday, June 12, 2004 12:31 PM
> > > Subject: Routers going crazy (ISIS??)
> > >
> > >
> > > > Hi All,
> > > > While doing a lab for ISIS my routers have suddenly gone berserk.
> > > > I have this setup-
> > > > RTR3(7500)
> > > > multipoint - multipoint
> > > > / \
> > > > /FR \FR
> > > > RTR4(2500) RTR5(2500)
> > > > Serial0 Serial0
> > > > Till the time IP was there everything was working fine, after I
> > > > configured ISIS, I cant ping even the spokes that are directly
> > > > connected. Strangely the clns adjacency is ON, also when I ping from
> > > > R3-R4 or R3-R5 I can see the packets coming back in the debug but
ping
> > > > fails. Here are the configs-
> > > >
> > > > **********************************************
> > > > Rack1R3#interface Serial3/0
> > > > no ip address
> > > > encapsulation frame-relay
> > > > serial restart-delay 0
> > > > clockrate 64000
> > > > no frame-relay inverse-arp
> > > > end
> > > >
> > > > interface Serial3/0.53 multipoint
> > > > ip address 164.1.35.3 255.255.255.0
> > > > ip router isis
> > > > isis hello-multiplier 5
> > > > isis hello-interval 1
> > > > frame-relay map clns 305 broadcast
> > > > frame-relay map ip 164.1.35.3 305 broadcast
> > > > frame-relay map ip 164.1.35.5 305 broadcast
> > > >
> > > > interface Serial3/0.43 multipoint
> > > > ip address 164.1.34.3 255.255.255.0
> > > > ip router isis
> > > > isis hello-multiplier 5
> > > > isis hello-interval 1
> > > > frame-relay map clns 304 broadcast
> > > > frame-relay map ip 164.1.34.3 304 broadcast
> > > > frame-relay map ip 164.1.34.4 304 broadcast
> > > >
> > > > ***********************************************
> > > > Rack1R4#
> > > > interface Serial0
> > > > ip address 164.1.34.4 255.255.255.0
> > > > ip router isis
> > > > encapsulation frame-relay
> > > > no fair-queue
> > > > frame-relay map clns 403 broadcast
> > > > frame-relay map ip 164.1.34.3 403 broadcast
> > > > frame-relay map ip 164.1.34.4 403 broadcast
> > > > no frame-relay inverse-arp
> > > > isis hello-multiplier 5
> > > > isis hello-interval 1
> > > > End
> > > > Rack1R4#sh fram map
> > > > Serial0 (up): CLNS dlci 403(0x193,0x6430), static,
> > > > broadcast,
> > > > CISCO, status defined, active
> > > > Serial0 (up): ip 164.1.34.3 dlci 403(0x193,0x6430), static,
> > > > broadcast,
> > > > CISCO, status defined, active
> > > > Serial0 (up): ip 164.1.34.4 dlci 403(0x193,0x6430), static,
> > > > broadcast,
> > > > CISCO, status defined, active
> > > >
> > > > Rack1R4#sh clns nei
> > > >
> > > > System Id Interface SNPA State Holdtime Type
> > > > Protocol
> > > > 0001.0001.0003 Se0 DLCI 403 Up 4 L2
> > > > IS-IS
> > > >
> > > > Rack1R4#ping 164.1.34.3
> > > >
> > > > Type escape sequence to abort.
> > > > Sending 5, 100-byte ICMP Echos to 164.1.34.3, timeout is 2 seconds:
> > > > .
> > > > 00:15:45: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4.
> > > > 00:15:47: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4
> > > > 00:15:48: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4..
> > > > 00:15:50: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4.
> > > > Success rate is 0 percent (0/5)
> > > > Rack1R4#
> > > > 00:16:02: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4
> > > > Rack1R4#
> > > > 00:16:04: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.4
> > > > Rack1R4#
> > > > 00:16:06: ICMP: echo reply rcvd, src 164.1.34.3, dst 164.1.34.
> > > >
> > > >
> > >
************************************************************************
> > > >
> > > > The same is happening on R5. IP traffic over the FR cloud is not
> > > > "working" at all.
> > > > Could somebody please tell me what is happening here. I am going
> > > > BONKERS.
> > > >
> > > > Many Thanks,
> > > > Mohit
> > > > P.S. I did rebooot all the routers also.
> > > >
> > > > _______________________________________________
> > > > ______________________
> > > >
> > > > ****** _/ ****** | Mohit Sharma
> > > > ***** _/ ***** | Network Implementation
> > > Manager(Agilent
> > > > Account)
> > > > **** _/_/_/ _/_/_/ **** | HP Operations
> > > > **** _/ _/ _/ _/ **** |
> > > > **** _/ _/ _/_/_/ **** |
> > > > ***** _/ ***** |
> > > > ****** ******* | email: mohit.sharma@hp.com
> > > > |
> > > > i n v e n t | Germany.
> > > >
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