From: Joe Chang (changjoe@earthlink.net)
Date: Sat Jun 12 2004 - 15:16:37 GMT-3
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.
> > _____________________________________________________________________
> > "Choose a job you love, and you will never have to work a day in your
> > life." -Confucius
> >
> >
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