Frame Relay - FDL Command for 3900 Router T1?

Transitioning from 3825 to 3945 (OS is 15.0(1r)M13 c3900-universalk9-mz.SPA.151-4.m4). Turning on FDL on the 3825 was easy but the same command on the 3945 doesn't work. Any ideas?

The command on the 3825 was: service-module t1 fdl both
Doesn't seem to work on the 3945 OS. Any ideas on how to turn on the FDL for the T1 interface?
Thanks in advance for any direction you can give on this.

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Frame-relay fragment command missing

Does anyone know why the frame-relay fragment command is not available on 3600 and 2600 routers running 12.2(5d) IOS? I have not been able to find a definite answer.

It is supported.
3660-4#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3660-IS-M), Version 12.2(5d), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Fri 01-Feb-02 22:38 by kellythw
Image text-base: 0x600089C0, data-base: 0x61200000
ROM: System Bootstrap, Version 12.0(6r)T, RELEASE SOFTWARE (fc1)
3660-4 uptime is 2 minutes
System returned to ROM by reload
System image file is "flash:c3660-is-mz.122-5d"
3660-4(config-map-class)#fra,
3660-4(config-map-class)#fram
3660-4(config-map-class)#frame-relay frag
3660-4(config-map-class)#frame-relay fragment ?
<16-1600> Define fragment size
3660-4(config-map-class)#frame-relay fragment 160
3660-4(config-map-class)#end
3660-4#
map-class frame-relay voiceover
frame-relay fragment 160
no frame-relay adaptive-shaping
frame-relay fair-queue

Redundant power supply for 3900 router series

Dear support,
does the spare power supply PWR-3900-AC= include a power cable?
best regards

The 5B01 backplane itself requires no current, just the individual modules. 1A should suffice well then. Personally, I use separate low noise linear regulated supplies for the backplanes in my designs.
Here's a couple links to assist:
http://www.analog.com/Analog_Root/static/marketSolutions/ios/catalog/5b/ordering.html
http://www.analog.com/Analog_Root/static/marketSolutions/ios/catalog/5b/5b_pwrsu.html
Happy isolating
~~~~~~~~~~~~~~~~~~~~~~~~~~
"It’s the questions that drive us.”
~~~~~~~~~~~~~~~~~~~~~~~~~~

Frame-relay - config a router as a switch

I am trying to configure a router as a frame-relay switch called R3.
R1 (S0/1) is connected to my Frame-Relay Switch R3 (S1/0). R3 has a further 3 connections (S1/1, S1/2 & S1/3) to R2, R4 &R5. So R1 uses subinterfaces.
I am having problems configuring the switch to say connect R1 to R2.
Here is my R1 config:
Interface Serial0/0
No ip address
Encapsulation frame-relay
interface Serial0/0.1 point-to-point
ip address 10.1.1.1 255.255.255.0
frame-relay interface-dlci 16
interface Serial0/0.2 point-to-point
ip address 10.1.2.1 255.255.255.0
frame-relay interface-dlci 17
interface Serial0/0.3 point-to-point
ip address 10.1.3.1 255.255.255.0
frame-relay interface-dlci 18
Here is my Frame-Relay switch (R3) config:
frame-relay switching
Interface Serial1/0
No ip address
Encapsulation frame-relay
Clock rate 64000
Frame-relay intf-type dce
interface Serial1/0.1 point-to-point
frame-relay interface-dlci 16
interface Serial1/0.2 point-to-point
frame-relay interface-dlci 17
interface Serial1/0.3 point-to-point
frame-relay interface-dlci 18
Interface Serial1/1
No ip address
Encapsulation frame-relay
Clock rate 64000
frame-relay interface-dlci 20
Interface Serial1/2
No ip address
Encapsulation frame-relay
Clock rate 64000
frame-relay interface-dlci 21
Interface Serial1/3
No ip address
Encapsulation frame-relay
Clock rate 64000
frame-relay interface-dlci 22
Here is my R2 config:
interface Serial0/0
ip address 10.1.1.2 255.255.255.0
encapsulation frame-relay
no fair-queue
frame-relay interface-dlci 20
Normally I would enter the frame-relay switch command?
Frame-relay route 16 interface s1/1 20
I want to use subinterrfaces and not multipoint.
Why does this not work?? I cannot get connectivity from R1 to R2!

John
It is fine to use subinterfaces on R1 and R2 (in fact it is best practice to use point to point subinterface for Frame Relay). But I do not believe that you can do subintefaces on the router that is acting as the switch. I believe that the key elements of the router as frame relay switch include: frame-relay switching (which you have), Frame-relay intf-type dce (which you have), and Frame-relay route 16 interface s1/1 20 (which you need to add in place of the subinterfaces with DLCI identifier).
HTH
Rick

What is the second, third, etc. next-hop address in the route-map set command for?

What is the second, third, etc. next-hop address in the route-map set command for?
route-map TEST_PBR permit 10 match
match ip address 101
router(config-route-map)#set ip next-hop 1.1.1.1 ?
A.B.C.D IP address of next hop

Hi,
You may get your answer in below link
http://www.groupstudy.com/archives/ccielab/200812/msg00999.html
First next-hop will be used unless until that is not unreachable. If first is unreachable, then next one will be used. Since these next-hops are directly connected, router can easily come to know whether they are active or not. In case you want to set some loopback ip as next-hop then you need to use keyword recursive "set ip next-hop recursive"
--Pls dont forget to rate helpful posts--
Regards,
Akash

Fram Relay hub and spoke scenario

See the attachment please
Requirements:
1.Using only physical interfaces configure a Frame Relay hub-and-spoke network between RTA and RTB and RTC, RTB as the hub.
2.Traffic from RTA destined for RTC should transit RTB, and vice versa.
3.Use only the DLCIs specified in the diagram.
4.Do not use any Dynamic layer 3 to layer 2 mappings over these frame Relay connections.
5.Do not send any redundant broadcast traffic from the spokes to the hub.
RTB (Hub):
interface Serial0/0
ip address 3.1.1.2 255.255.255.0
encapsulation frame-relay
frame-relay map ip 3.1.1.1 200 broadcast
frame-relay map ip 3.1.1.3 300 broadcast
no frame-relay inverse-arp
RTA (Spoke):
interface Serial0/0
ip address 3.1.1.1 255.255.255.0
encapsulation frame-relay
frame-relay map ip 3.1.1.2 22 broadcast
frame-relay map ip 3.1.1.3 22
no frame-relay inverse-arp
RTC (Spoke):
interface Serial1/0
ip address 3.1.1.3 255.255.255.0
encapsulation frame-relay
frame-relay map ip 3.1.1.2 33 broadcast
frame-relay map ip 3.1.1.1 33
no frame-relay inverse-arp
My queries:
A- Does he use these two statements because (frame-relay map ip 3.1.1.3 22 and frame-relay map ip 3.1.1.1 33 ) of requirement number 2 ?
B- Doesnt he use keyword broadcast in these two statements (frame-relay map ip 3.1.1.3 22 and frame-relay map ip 3.1.1.1 33) because of requirement 5?
C- Does that mean if requirement 5 is not there we should have used broadcast keyword ?
D- Does not that contradict with what Cisco syas: The broadcast keyword is commonly used with the frame relay map command ?
E- By using these two statements (frame-relay map ip 3.1.1.3 22 and frame-relay map ip 3.1.1.1 33) doesnt my network become full mesh? but if you look to the diagram it is partial mesh ?

Answers to your queries:
A. Correct
B. Correct
C. That depends. In most cases, it is a good idea to have broadcasts on, especially when using routing protocols like OSPF which send traffic to multicast destinations. I would habe it on most times.
D. The recommendation from Cisco is not contradictory. The lab scenario is making you do something quite specific so you have to follow that. You don't always have to follow requirements in order to make things work.
E. No. Full-mesh refers to a full mesh of PVCs. If there was a PVC from A to C it would be full mesh.
Hope that helps - pls rate the post if it does.
Paresh

"frame-relay fragment" causes link to stop working

Hi people!
I have a strange problem regarding the "frame-relay fragment xyz" command. I have the following configuration:
interface Serial0/0
description R3926704: phy. FrameRelay-Interface (Se0/0)
bandwidth 512
no ip address
max-reserved-bandwidth 95
encapsulation frame-relay IETF
no ip mroute-cache
load-interval 30
no snmp trap link-status
no fair-queue
cdp enable
frame-relay traffic-shaping
frame-relay lmi-type q933a
end
interface Serial0/0.1 point-to-point
description YYY: FR-Verbindung zum YY(Se0/0.1)
bandwidth 512
ip address A.A.A.A B.B.B.B
frame-relay class egress_queue_512k
frame-relay interface-dlci 16
end
map-class frame-relay egress_queue_512k
frame-relay cir 486000
frame-relay bc 48600
frame-relay be 0
frame-relay mincir 486000
service-policy output egress_queue
... if i change the map-class to:
map-class frame-relay egress_queue_512k_voice
frame-relay cir 486000
frame-relay bc 4860
frame-relay be 0
frame-relay mincir 486000
service-policy output egress_queue
frame-relay fragment 53
... no traffic goes over the link any more. no telnet no other traffic. the strange thing is, that i can ping the router!??
does anyone know what's the problem here??
thanks for any help!!
Mario

Mario,
You need to base the fragment size on the lowest speed link between the 2 routers. If the lowest speed link is 512k, the recommended fragment size is 640 bytes.This is to achieve a 10ms serialization delay. The formula to compute this is Max Delay X Bandwidth. Please see Table 5 in the following link for recommended fragment sizes for 10ms serialization delay for different speed links.
frame-relay fragment command
http://www.cisco.com/en/US/products/sw/iosswrel/ps5187/products_command_reference_chapter09186a008017cf52.html#wp1034268
Hope this helps. If so, please rate the post.
Brandon

Frame-Relay Fragment

I have a 3640 and several 2611's running 12.2(5d). I am trying to issue the frame-relay fragment command under map-class frame-relay but it is not a option. I want to break up any large packets that would cause latency in the voice traffic. Is there another way to do this other than the frame-relay fragment command?

There are 3 ways in which you could configure frame relay fragmentation. They are:
1.Using the "frame-relay fragment" command, as per the FRF.12 fragmentation.
2.Using the FRF.11 fragmentation. This method is not recommended for use with Voice over IP (VoIP).
3.Cisco Proprietary fragmentation using the command "vofr cisco"
The 3rd options could be the solution for your query.
For more details on this, please refer to the following document:
Configuring Frame Relay Fragmentation
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fwan_c/wcffrely.htm#1060792
For more details on the 3rd option give above, you could refer to:
Cisco Proprietary Voice Encapsulation
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_configuration_guide_chapter09186a00800ca6a9.html#xtocid232909

Frame-Relay through MPLS cloud

Hi All ,
Can anybody explain if I make a MPLS pe act as a frame-relay sw too is there in LDP related issue or not ?

It is possible to use Frame Relay switches as Label, Switching Routers. Such Frame Relay switches run network layer routing algorithms (such as OSPF, IS-IS, etc.), and their forwarding
is based on the results of these routing algorithms. No specific
Frame Relay routing is needed.
When a Frame Relay switch is used for label switching, the top
(current) label, on which forwarding decisions are based, is carried
in the DLCI field of the Frame Relay data link layer header of a
frame. Additional information carried along with the top (current)
label, but not processed by Frame Relay switching, along with other
labels, if the packet is multiply labeled, are carried in the generic
MPLS encapsulation defined in [STACK].
Check this out.
http://www.ietf.org/rfc/rfc3034.txt

Configuring Frame-Relay and the Frame-Relay Switch To Participate in WAN Routing

Hey,
My WAN in my voice lab is currently functional between all of my routers HQ, BR1, and BR1 with full-mesh connectivity. I am using my PSTN router for the frame-relay switching as is shown in the attached configs. I have used the connect commands for the PVC routing logic.
connect HQ-BR1 Serial0/3/0 101 Serial0/2/0 201
connect HQ-BR2 Serial0/3/0 102 Serial0/2/1 301
connect BR1-BR2 Serial0/2/0 202 Serial0/2/1 302
My question concerns the possibility of getting the PSTN router to participate in the WAN and the OSPF routing process? The connect command tells how the PVCs are to be connected and pass through the PSTN router. Is there anyway to do it so that a PVC connects to the PSTN router itself?
I would specifically like to create a connection between the HQ and PSTN router over the WAN. If anyone has any insight on this I would really appreciate it.
Thank you.

Hello Adam,
you don't need to do FR switching.
You just need to configure a back to back PVC associated to a p2p subinterface under PSTN router interface se0/3/0 and HQ:se0/1/0. the new PVC can be 103 on both sides
PSTN
interface ser0/3/0.103 point-to-point
ip address 10.1.13.1 255.255.255.0
frame-relay interface-dlci 103
HQ
interface ser0/1/0.103 point-to-point
ip address 10.1.13.1 255.255.255.0
frame-relay interface-dlci 103
note: I was able to do this using the older syntax frame-relay route under interface configuration on frame relay switch. I would expect to work for you too with newer syntax connect.
Hope to help
Giuseppe

Frame-relay interface-dlci switched command

Hi,
I want to understand the frame-relay interface-dlci switched command on router.
I know it is used for local switching, but what this command exectly does? is it emulating router to behave like a frame-relay switch for particular interfaces (not all interfaces)?
To use this command router serial interface needs to be have only layer 2 information or it can use that interface for layer 3 connectivity also?
regards
Devang Patel

Hi,
Thanks for your replies...
In FRoMPLS we use connect configuration on global configuration mode with xconnect command to configure FRoMPLS. then how frame-replay interface-dlci switched will work with FRoMPLS, will it add any additional feature to configuration? I am just trying to understand the use of this command.
will after putting this command i will have functionality to configure L2 and L3 VLAN configuration on same interface?
am i correct with my understanding posted in this reply as well as my initial post?
thanks,
Devang Patel

Is Low MTU (ie 320) for VoIP over Frame-relay can be used to avoid serialization delay for large data packets?

In order to provide voice quality for VoIP, is FR fragmentation equivalent to lowering the MTU size for the serial subinterface of a Frame relay subinterface?
Is there any isues like stop communications, using Low MTU ?

If the router belongs to any of the
platform listed below, then use
FRF12 for you fragmentation. The MTU size
lowering also works but this can cause a high over
head as it can't be specified on a per dlci level.
With multiple dlci i.e. subinterfaces use per dlci fragmentation.. this helps reduce the overhead of changing the MTU size of the physical interface.
Snip config example.( __Must be configured on both side of the termination___)
PHONE 3333312---ROUTERA ----DLCI 100----ROUTERB ---PHONE 2111123
ROUTER A
dial-peer voice 1 voip
destination-pettern 2T
session target ipv4:10.10.10.2
int ser 0/0
encap frame-relay
frame-relay traffic-shaping
no ip address
interface serial0/0.1 point-to-point
ip add 10.10.10.1 255.255.255.252
frame-relay interface-dlci 100
class voice
map-class frame-relay voice
frame cir 64000
frame bc 640
frame mincir 64000
frame-relay ip rtp priority 16384 16383 48
frame fragment 80
frame fair-queue 64 256 0
ROUTER B
dial-peer voice 3 voip
destination-pettern 3T
session target ipv4:10.10.10.1
int ser 0/0
encap frame-relay
frame-relay traffic-shaping
no ip address
interface serial0/0.1 point-to-point
ip add 10.10.10.2 255.255.255.252
frame-relay interface-dlci 100
class voice
map-class frame-relay voice
frame cir 64000
frame bc 640
frame mincir 64000
frame-relay ip rtp priority 16384 16383 48
frame fragment 80
frame fair-queue 64 256 0
This should help if your router is
c2600, c3600, mc3810, c7200, c1750
all running the right level of IOS.
12.1(5)T and above should work well.

Ipx over frame relay and route redistribution

Hi,
When I configure ipx over frame-relay multipoint interface, I need to run eigrp and disable the split horizon, and I'm running ipx rip on the same router thus, redistribution is automatic by default. This will cause potential routing loop when the route is advertised back from the same interface. In this situation, I have few questions:
1. How to prevent routing loop in this situation?
2. What is the administrative distance for ipx rip, eigrp, nslp?
3. How does eigrp and rip convert the metric?
Thank you
Fujin

Often times complex configuration issues are best addressed in an interactive session with one of our trained technical assistance engineers. While other forum users may be able to help, its often difficult to do so for this type of issue.
To utilize the resources at our Technical Assistance Center, please visit http://www.cisco.com/tac and to open a case with one of our TAC engineers, visit http://www.cisco.com/tac/caseopen
If anyone else in the forum has some advice, please reply to this thread.
Thank you for posting.

What's "SAVE" configuration command for Cisco switch/ router?

What's "SAVE" configuration command for Cisco switch / router? I know Switch#copy running-config startup-config works well,
but so long, any other command that easy to remenber?

What's "SAVE" configuration command for Cisco switch / router? I know Switch#copy running-config startup-config works well, but so long,
any other command that easy to remenber?
yes, here: Switch#write,and want to know more about the Cisco switch, please visit:http://www.3anetwork.com/cisco-switches-price_c1

How to get the command line interface for WRT160NL router

hi,
How can I get the command line interface for WRT160NL router. please suggest.

If you’re trying to access the web-based interface of your router, just use its default IP address (192.168.1.1). The Username is left blank and the Password is "admin". Here’s a quick link on how to do that.

Frame Relay - FDL Command for 3900 Router T1?

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