IPSLA (Testing Jitter/Delay/Frame-Relay)
hey guys, testing my network using IPSLA but its strange how when i connect a router to the network and input the IPSLA commands it says it fails everytime? Im a student doing my project btw and am unsure why its not sending through the network. I have connectivity and can ping across the entire network. the commands i used were -
ip sla monitor 12
type jitter dest-ipaddr
192.168.0.10 dest-port 5060
frequency 300
exit
ip sla monitor schedule 12 start-time now live forever
then when i use the statistics command to show the output it says failed :S am i missing a step somewhere, or do i have to advertise the router in my network? im very confused :/
Could you include the config for the IP SLA receiver as well if you have it configured?
Excellent reading on the topic: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipsla/configuration/15-mt/sla-15-mt-book/sla_udp_jitter.html
Similar Messages
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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. -
ASR1K 5xE1 MFR Frame relay traffic not forwarding in one direction
Dear Techies,
Hope all is well !
Im doing this inter-op testing with Alcatel device for frame-relay and MFRs and got stuck at this situation which is actually mind boggling and I think i might be missing something "silly" :-(
Its a simple setup of
1. My ASR 1002-X with a LAN (Gig0/0/0) port is connected to a traffic generator.(ixia).
2. ASR WAN port is a 5xE1 bundled into a MFR circuit.
3. WAN link goes to a Alcatel box giving me my FR-DCE with E1s over MFR.
Issue is , I can send traffic to max throughput with flow initiated from LAN to WAN bit NOT the reverse flow initiated from WAN side to LAN port. I see traffic coming into my 5xE1s (1.8 mbps each) but the traffic just wont go to the LAN side , somewhere it gets "stuck" or "dropped".
PING works fine from both sides.......but sending traffic is not possible !!
ASR CONFIG
controller SONET 0/3/0
framing sdh
clock source line
aug mapping au-4
au-4 1 tug-3 1
mode c-12
tug-2 1 e1 1 unframed
tug-2 1 e1 2 unframed
tug-2 1 e1 3 unframed
tug-2 2 e1 1 unframed
tug-2 2 e1 2 unframed
tug-2 2 e1 3 unframed
au-4 1 tug-3 2
mode c-12
tug-2 1 e1 1 unframed
tug-2 1 e1 2 unframed
tug-2 1 e1 3 unframed
au-4 1 tug-3 3
mode c-12
interface MFR1
no ip address
encapsulation frame-relay IETF
load-interval 30
frame-relay multilink bid 10MB-PiPe
frame-relay multilink bandwidth-class a
frame-relay lmi-type ansi
interface MFR1.1 point-to-point
ip address 10.10.17.2 255.255.255.0
frame-relay interface-dlci 100
interface GigabitEthernet0/0/0
no ip address
load-interval 30
negotiation auto
interface GigabitEthernet0/0/0.110
encapsulation dot1Q 110
ip address 11.11.11.1 255.255.255.0
interface Serial0/3/0.1/1/1/1:0
no ip address
encapsulation frame-relay MFR1
frame-relay multilink lid First-Link
interface Serial0/3/0.1/1/1/2:0
no ip address
encapsulation frame-relay MFR1
frame-relay multilink lid Second-Link
interface Serial0/3/0.1/1/1/3:0
no ip address
encapsulation frame-relay MFR1
frame-relay multilink lid Third-Link
interface Serial0/3/0.1/1/2/1:0
no ip address
encapsulation frame-relay MFR1
frame-relay multilink lid Fourth-Link
interface Serial0/3/0.1/1/2/2:0
no ip address
encapsulation frame-relay MFR1
frame-relay multilink lid Fifth-Link
SDH_FR#sh frame-relay mul
SDH_FR#sh frame-relay multilink
Bundle: MFR1, State = up, class = A, fragmentation disabled
BID = 10MB-PiPe
Bundle links:
Serial0/3/0.1/1/1/1:0, HW state = up, link state = Up, LID = First-Link
Serial0/3/0.1/1/2/2:0, HW state = up, link state = Up, LID = Fifth-Link
Serial0/3/0.1/1/2/1:0, HW state = up, link state = Up, LID = Fourth-Link
Serial0/3/0.1/1/1/3:0, HW state = up, link state = Up, LID = Third-Link
Serial0/3/0.1/1/1/2:0, HW state = up, link state = Up, LID = Second-Link
SDH_FR#
SDH_FR#
SDH_FR#
SDH_FR#sh fram
SDH_FR#sh frame-relay pvc 100
PVC Statistics for interface MFR1 (Frame Relay DTE)
DLCI = 100, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = MFR1.1
input pkts 8045 output pkts 8044 in bytes 515748
out bytes 527920 dropped pkts 0 in pkts dropped 0
out pkts dropped 0 out bytes dropped 0
in FECN pkts 0 in BECN pkts 0 out FECN pkts 0
out BECN pkts 0 in DE pkts 0 out DE pkts 0
out bcast pkts 0 out bcast bytes 0
5 minute input rate 1000 bits/sec, 2 packets/sec
5 minute output rate 1000 bits/sec, 2 packets/sec
pvc create time 01:07:58, last time pvc status changed 01:07:58
fragment type end-to-end fragment size 1400
SDH_FR#
SDH_FR#
SDH_FR#
SDH_FR#
SDH_FR#
SDH_FR#
SDH_FR#ping 10.10.17.1-------------------------------------------------------------------------- THIS IS ALCATEL SIDE FROM TRAFFIC HAS TO COME.
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.17.1, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 3/3/4 ms
SDH_FR#
SDH_FR#
SDH_FR#sh frame-relay traffic
Frame Relay statistics:
ARP requests sent 0, ARP replies sent 0
ARP request recvd 0, ARP replies recvd 0
SDH_FR#What is the access rate of the head end?
Are you using a codec other than G711?
How many total sites are involved, what protocols are you running?
From the math, 32K is not enough CIR to ensure 4 calls proper Bandwidth. At what point is the voice degrading, is is choppy missing message, sound, jitter, echo or after 1, 2 or 3 calls.
Even if you are using G729a, voice packets could be dropped. Not to say that it is here, but look at the FRS stats to see ip packets are being dropped.
Traffic shaping is always recommended, rtp header compression will help, but the trade-off is around a 20% CPU hit.
If you implement traffic shapping , it needs to be done throughout the network as queueing delays related to data on other slow links and at the headend (specifically here) could be the cause of the distortion alone. I would at least try traffic shapping first, then if the problem doen't go away, increase CIR for Voice, if there are still issues, implement LLQ. -
Show Interfaces Output Errors / CRC (Frame Relay)
Hi All,
Looking at an Output of a show interfaces command there seems to be a high volume of Input errors - and they almost tally up with CRC on the line below. The line is heavily saturated - would this be the cause? Or could the CRC be causing an issue? It is a frame relay link (512K)
Serial0/1/0 is up, line protocol is up
Hardware is GT96K Serial
MTU 1500 bytes, BW 512 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 31/255, rxload 250/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
Restart-Delay is 0 secs
LMI enq sent 110367, LMI stat recvd 110110, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 1023 LMI type is CISCO frame relay DTE
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 18837/3, interface broadcasts 0
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 1w5d
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 7976
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/8/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 384 kilobits/sec
30 second input rate 502000 bits/sec, 62 packets/sec
30 second output rate 64000 bits/sec, 64 packets/sec
74014842 packets input, 2195212513 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 101 giants, 0 throttles
12589993 input errors, 12589924 CRC, 2758329 frame, 246617 overrun, 0 ignored, 3630022 abort
69361072 packets output, 1961236740 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
108498 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=upGet the ISP to run a 4-hour Bit Error Rate test (aka BER test).
-
Dear Sir/Madam,
I have Frame relay CIR 256 kps with configure as follow:
factory#show run
Building configuration...
Current configuration : 2126 bytes
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
hostname factory
enable secret xxx
enable password xxx
ip subnet-zero
interface FastEthernet0/0
ip address 192.168.0.1 255.255.254.0
ip access-group 100 in
duplex auto
speed auto
interface Serial0/0
bandwidth 256
no ip address
encapsulation frame-relay
no fair-queue
traffic-shape rate 192000 24000 24000 1000
frame-relay lmi-type ansi
frame-relay ip rtp header-compression
ip rtp reserve 16384 100 192
interface Serial0/0.1 point-to-point
description connected to Office
ip address 192.168.50.2 255.255.255.0
no cdp enable
frame-relay interface-dlci 16
interface Serial0/1
no ip address
shutdown
interface Serial0/2
no ip address
shutdown
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.50.1
ip http server
ip pim bidir-enable
access-list 100 permit tcp any any eq www
access-list 100 permit tcp any any eq smtp
access-list 100 permit tcp any any eq ftp
access-list 100 permit tcp any any eq pop3
access-list 100 permit tcp any any eq ident
access-list 100 permit tcp any any eq 443
access-list 100 permit tcp any any eq 3389
access-list 100 permit tcp any any eq ftp-data
access-list 100 permit tcp any any eq 143
access-list 100 permit tcp any any eq telnet
access-list 100 permit tcp any any eq 161
access-list 100 permit tcp any any eq domain
access-list 100 permit udp any any eq domain
access-list 100 permit tcp any any eq 139
access-list 100 permit udp any any eq netbios-ns
access-list 100 permit tcp any any eq 135
access-list 100 permit udp any any eq snmp
access-list 100 permit tcp any any eq 8080
access-list 100 permit ip host 192.168.0.22 any
access-list 100 permit ip host 192.168.0.23 any
access-list 100 deny ip any any
access-list 100 deny eigrp any any
snmp-server community public RO
line con 0
line aux 0
line vty 0 4
password xxx
login
end
factory#show int s0/0
Serial0/0 is up, line protocol is up
Hardware is PowerQUICC Serial
MTU 1500 bytes, BW 256 Kbit, DLY 20000 usec,
reliability 255/255, txload 61/255, rxload 56/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 8861, LMI stat recvd 8861, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 0 LMI type is ANSI Annex D frame relay DTE
Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface broadcasts 0
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 1d00h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 57000 bits/sec, 13 packets/sec
5 minute output rate 62000 bits/sec, 14 packets/sec
663283 packets input, 419498487 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
16 input errors, 9 CRC, 7 frame, 0 overrun, 0 ignored, 0 abort
820043 packets output, 138740120 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
factory#
When show int s0/0 I see that:16 input errors, 9 CRC. I think errors from service provider? because I alway use under 100 kps but still have some errors.
Thanks very much,
NhuongPhamWhen you're able, schedule some downtime for this circuit, and have your provide do some loopback testing on an off-hours time. Simply open a trouble ticket with them, indicating that you're taking CRC errors at the customer-premisis-equipment. 16 input hours per day doesn't seem like alot, but it's still worth checking out, especially since your WAN provider should do this for free.
-
"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!!
MarioMario,
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 -
Sub internface shutdown in Frame Relay point to point in GNS3
Hello
Please take a look on GNS3 file in attached, I'm sure already configured both routers s1/0 is no shut, but still status down, please help.R3:
R3#show run
Building configuration...
Current configuration : 1261 bytes
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname R3
boot-start-marker
boot-end-marker
no aaa new-model
no ip icmp rate-limit unreachable
ip cef
no ip domain lookup
frame-relay switching
ip tcp synwait-time 5
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
no fair-queue
frame-relay intf-type nni
interface Serial1/0.1 point-to-point
ip address 192.168.0.1 255.255.255.0
frame-relay interface-dlci 241
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
no ip http server
no ip http secure-server
control-plane
gatekeeper
shutdown
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
end
R3#show ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES NVRAM administratively down down
FastEthernet0/1 unassigned YES NVRAM administratively down down
Serial1/0 unassigned YES NVRAM up down
Serial1/0.1 192.168.0.1 YES NVRAM down down
Serial1/1 unassigned YES NVRAM administratively down down
Serial1/2 unassigned YES NVRAM administratively down down
Serial1/3 unassigned YES NVRAM administratively down down
R4:
R4#sh run
Building configuration...
Current configuration : 1251 bytes
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname R4
boot-start-marker
boot-end-marker
no aaa new-model
no ip icmp rate-limit unreachable
ip cef
no ip domain lookup
frame-relay switching
ip tcp synwait-time 5
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
interface FastEthernet0/1
no ip address
duplex auto
speed auto
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
no fair-queue
frame-relay intf-type nni
interface Serial1/0.1 point-to-point
ip address 192.168.0.2 255.255.255.0
frame-relay interface-dlci 240
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
no ip http server
no ip http secure-server
control-plane
gatekeeper
shutdown
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
end
R4#sh ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES NVRAM administratively down down
FastEthernet0/1 unassigned YES NVRAM up up
Serial1/0 unassigned YES NVRAM up down
Serial1/0.1 192.168.0.2 YES NVRAM down down
Serial1/1 unassigned YES NVRAM administratively down down
Serial1/2 unassigned YES NVRAM administratively down down
Serial1/3 unassigned YES NVRAM administratively down down -
can anyone tell me how to set up a frame relay switch on my 1700 roouter with 2 serial connections, I want this to act like my isp. I believe this can be done, it is for testing in my home lab
thanks
CarlosHi Carl,
Yes you can cofigure router as a frame relay switch.
Check this link
http://www.cisco.com/warp/public/125/fr_switching.pdf
Just check the config for router Americas in that link and you will get to know how to switch the dlci.
To get a complete know how about Frame Relay have a look at this link
http://www.cisco.com/en/US/tech/tk713/tk237/tech_configuration_examples_list.html
HTH, if yes please rate the post.
Ankur -
Video teleconferencing over frame-relay
I have a user who requires using a polycom video teleconferencing unit at one of my sites that has a t-1 frame-relay circuit. The video is extremly choppy and sometimes completly freezes. I was wondering if there was any particular qos for frame-relay. I have no qOS at the moment. I have found some sample configs for atm and would like to see one for frame-relay. If you have any suggestions any help would be appreciated.
QoS for video over frame relay can be difficult to achieve, although Cisco provides lots of tools to do the best you can. Typically you will want to keep the video traffic within the CIR of the frame circuit. This can be done through setting the TOS bits at the Polycom unit (or through the proxy feature on the Cisco MCM) and then using CBWFQ or other prioritization schemes with the ability to set the bandwidth.
The difficult part comes in that frame-relay is a layer 2 technology and once the traffic goes into the frame-relay network, there is no prioritization of your traffic versus other customers' traffic at each FR switch. CIR will guarantee bandwidth but not necessarily delay constancy which is as important for live video.
Some other considerations might include codec selection - H.264 gives good quality at lower bitrates if your Polycom unit supports it.
Hope this helps,
John -
Hi All,
I currently have two 2500 routers, to get my hands dirty on ISDN and FRAME-RELAY experiments do i need seperate routers for them?. Because i cannot see where to connect to in regards to the required connections i.e.
2 x Asynchronous/Synchronous Serial Interfaces (DB60)
4 x Serial Interfaces (DB60)
1 x ISDN Interface (RJ45)
1 x Token Ring interface (DB9 and RJ45)
THat i normally hear about when refering to ISDN or FRAME RELAY.
Somebody please put me through.
Secondly i would like to connect my 2500 to the internet ...please put me through how.
Many thanks in AdvanceOlu
There are some challenges in what you want to do with this equipment. If each router has 1 x ISDN interface then you can use that for ISDN - but you will need some other piece of equipment to furnish the ISDN switch functionality. You can not just connect 2 ISDN interfaces back to back.
You would be able to do some testing of Frame Relay if you connected the routers back to back - if one of the cables is a DCE cable and one cable is a DTE cable. The testing that you can do with 2 routers back to back is somewhat limited. You could do much better testing if you had a third router which could be configured as a frame relay switch.
Connecting your routers to the Internet will be possible if you connect one of the serial interfaces to an Internet Service provider.
The routers have token ring LAN interfaces. Unless you have some token ring MAUs to establish the connections you will not be able to do effective testing using the token ring LAN interfaces.
HTH
Rick -
Can't ping routers across point-to-point frame-relay
'evening,
Really basic setup. Designed with Packet Tracer, trying to ping routers across a point-to-point frame-relay. I've designed this according to three different training sources who all say the same thing. Yet, all pings failed.
The shows:
R1
R1#copy run st
Destination filename [startup-config]?
Building configuration...
[OK]
R1#show run
Building configuration...
Current configuration : 883 bytes
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
hostname R1
no ip domain-lookup
interface FastEthernet0/0
no ip address
duplex auto
speed auto
shutdown
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
interface Serial1/0
no ip address
encapsulation frame-relay
interface Serial1/0.12 point-to-point
ip address 192.168.12.1 255.255.255.0
frame-relay interface-dlci 102
interface Serial1/0.13 point-to-point
ip address 192.168.13.1 255.255.255.0
frame-relay interface-dlci 103
ip classless
end
R1#show frame-relay lmi
LMI Statistics for interface Serial1/0 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 638 Num Status msgs Rcvd 638
Num Update Status Rcvd 0 Num Status Timeouts 16
LMI Statistics for interface Serial1/0.12 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 0 Num Status msgs Rcvd 0
Num Update Status Rcvd 0 Num Status Timeouts 16
LMI Statistics for interface Serial1/0.13 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 0 Num Status msgs Rcvd 0
Num Update Status Rcvd 0 Num Status Timeouts 16
R1#show frame-relay map
Serial1/0.12 (up): point-to-point dlci, dlci 102, broadcast, status defined, active
Serial1/0.13 (up): point-to-point dlci, dlci 103, broadcast, status defined, active
R1#show frame-relay pvc
PVC Statistics for interface Serial1/0 (Frame Relay DCE)
DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1/0.12
input pkts 14055 output pkts 32795 in bytes 1096228
out bytes 6216155 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 32795 out bcast bytes 6216155
DLCI = 103, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1/0.13
input pkts 14055 output pkts 32795 in bytes 1096228
out bytes 6216155 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 32795 out bcast bytes 6216155
R2
R2#SHOW RUN
Building configuration...
Current configuration : 772 bytes
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
hostname R2
no ip domain-lookup
interface Serial1/0
no ip address
encapsulation frame-relay
interface Serial1/0.12 point-to-point
ip address 192.168.12.2 255.255.255.0
frame-relay interface-dlci 201
ip classless
end
R2#show fr map
Serial1/0.12 (up): point-to-point dlci, dlci 201, broadcast, status defined, active
R2#show fr pvc
PVC Statistics for interface Serial1/0 (Frame Relay DTE)
DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1/0.12
input pkts 14055 output pkts 32795 in bytes 1096228
out bytes 6216155 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 32795 out bcast bytes 6216155
R2#show fr lmi
LMI Statistics for interface Serial1/0 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 679 Num Status msgs Rcvd 678
Num Update Status Rcvd 0 Num Status Timeouts 16
LMI Statistics for interface Serial1/0.12 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 0 Num Status msgs Rcvd 0
Num Update Status Rcvd 0 Num Status Timeouts 16
R3
R3#show run
Building configuration...
Current configuration : 772 bytes
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
hostname R3
interface Serial1/0
no ip address
encapsulation frame-relay
interface Serial1/0.13 point-to-point
ip address 192.168.13.2 255.255.255.0
frame-relay interface-dlci 301
ip classless
end
R3#show fr map
Serial1/0.13 (up): point-to-point dlci, dlci 301, broadcast, status defined, active
R3#show fr lmi
LMI Statistics for interface Serial1/0 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 703 Num Status msgs Rcvd 702
Num Update Status Rcvd 0 Num Status Timeouts 16
LMI Statistics for interface Serial1/0.13 (Frame Relay DTE) LMI TYPE = CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 0 Num Status msgs Rcvd 0
Num Update Status Rcvd 0 Num Status Timeouts 16
R3#show fr pvc
PVC Statistics for interface Serial1/0 (Frame Relay DTE)
DLCI = 301, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1/0.13
input pkts 14055 output pkts 32795 in bytes 1096228
out bytes 6216155 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 32795 out bcast bytes 6216155
Any input would really be appreciated.
ThanksTurns out the mistake was not adding a mask to the subnet. Ex:
Router_2(config_router)# network 192.168.0.0 0.0.255.255
Router_2(config_router)# network 172.27.0.0 0.0.255.255
Doing that on both routers made the hosts capable of pinging each other.
Thanks for the tips everyone -
Connection from remote sites (Frame Relay WAN) to AS/400 dissapears
Hello,
We have the following problem appearing in our environment:
All connections from remote sites dissapears unexpected from AS/400. After 2-3 minutes remote users get normal connectivity again.
The environment is the the following:
Frame Relay/ATM WAN (Frame Relay on remote sites and ATM in datacenter) comes to Cisco 7204VXR router which connected to LAN switch with 10/100/1000 ports. AS/400 with Fast Ethernet interface also connected to the similar LAN switch. CEF is enabled on the router, IOS version 12.4.3a. We have ETHSTD *ALL parameter set on AS/400. Remote users uses TCP/IP and Telnet but there are a number of 5494 controllers wich uses SNA.
We got the problem for the first time after we enabled CEF on the router.
I suspect that the cause of problem is Ethernet frames of different standards due to ETHSTD *ALL, but can neither reproduce the problem nor understand why it behaves so.
Have anybody had similar problem?
I would be very thanksfull if somebody can help me to solve it.
Thank you in advance.
//Mikhail GaliulinHi Martin,
Cisco 7200 itself can access AS/400 as well as all other hosts in the same with AS/400 LAN. There is no any outage in communications which goes to another LAN segment via Netscreen firewall while the communication via Cisco is down. Only those hosts which connected via Cisco are experiencing the problem. I can not say where the traceroute from AS/400 stucks (there are other people who maintain the machine and they never could catch the exact moment of outage).
To turn off CEF I treat as the last option actually and unfortunatelly there is no guarantee that software upgrade will help (we have 12.4.3a now).
So first of all I'm trying to understan WHY it happens because I can not see any systematics in the problem appearance. It can happen 3 times under 2 days and then dissapear for 1-2 months...
//Mikhail Galiulin -
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 -
2621 as a Frame Relay switch & terminal server?
Is it unwise to use a 2621 as a combined Frame Relay switch & terminal server in a home lab? Both functions seem to move a general-purpose router into the dedicated use category.
Likewise, is it true than configuring a router to serve as a Frame Relay switch isn't memory intensive?
If I am wrong in my assumptions, please feel free to correct my misperceptions.
Thanks.Using the 2621 for frame and TS should be fine. I do it in my lab and have never had a problem.
-
All,
Sorry for asking this, but I have been beating my head against the wall here. I am getting a T1 installed in my residence for internet connectivity. I am using an old wic-1-dsu-t1-v1 in a 2610 router. I am unable to get this configuration working. I have a very simple configuration so far on the router, but I am unable to get this to come up. I have put the show run below. Some of the commands are default and are not showing up. Obviously I have changed the ip's to generic ones below. Any ideas?
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
hostname JSS-2610-001
memory-size iomem 10
ip subnet-zero
interface Ethernet0/0
no ip address
shutdown
interface Serial0/0
no ip address
shutdown
interface Serial0/1
no ip address
shutdown
interface Serial0/2
no ip address
encapsulation frame-relay IETF
frame-relay lmi-type ansi
interface Serial0/2.21 point-to-point
ip address 1.1.1.3 255.255.255.252
frame-relay interface-dlci 16
ip classless
ip route 0.0.0.0 0.0.0.0 1.1.1.2
ip http server
line con 0
speed 115200
line aux 0
line vty 0 4Sorry when I transposed the ip's to post i made a mistake in them. 1.1.1.2 is my address and 1.1.1.1 is the gateway for them (their side of the t1). I have it configure correctly on my router with the real ip's.
Here is the post to the rest of your questions:
Serial0/2 is up, line protocol is up
Hardware is PQUICC with Fractional T1 CSU/DSU
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY IETF, loopback not set
Keepalive set (10 sec)
LMI enq sent 16787, LMI stat recvd 16788, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 0 LMI type is ANSI Annex D frame relay DTE
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 2812/0, interface broadcasts 15
Last input 00:00:04, output 00:00:04, output hang never
Last clearing of "show interface" counters 1d22h
Input queue: 0/75/3/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
16791 packets input, 249054 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 1 giants, 0 throttles
3350 input errors, 1097 CRC, 1758 frame, 0 overrun, 0 ignored, 495 abort
19638 packets output, 1080335 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 output buffer failures, 0 output buffers swapped out
6 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
JSS-2610-001#show frame-relay pvc
PVC Statistics for interface Serial0/2 (Frame Relay DTE)
Active Inactive Deleted Static
Local 1 0 0 0
Switched 0 0 0 0
Unused 0 0 0 0
DLCI = 16, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/2.21
input pkts 0 output pkts 2834 in bytes 0
out bytes 844139 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 2809 out bcast bytes 841611
pvc create time 1d22h, last time pvc status changed 15:31:28
Is it possible the carrier just hasn't "activated" the circuit?
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