Hi Herold,
Cisco IOS listens to DLCI 1023(Cisco LMI) and to DLCI 0(ANSI) LMI at the
same time.
Here is a link that may help.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/wan_
r/wrdfrely.htm#xtocid1494040
and
another
http://www.cisco.com/univercd/cc/td/doc/product/atm/c8540/12_0/13_19/cmd_ref
/f.htm
and another one
http://www.cisco.com/univercd/cc/td/doc/product/software/ios11/cbook/cfrelay
.htm#xtocid198611
-----Original Message-----
From: Herold Heiko [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, July 31, 2001 7:58 AM
To: [EMAIL PROTECTED]
Subject: RE: Frame Relay - slow link? overutilized? [7:14163]
I don't know what *should* happen, however I can confirm (from personal
experience) it is possible to have a somewhat working link with
mismatched lmi type.
If all the remote sites have cisco and HQ is ANSI I'd change HQ to cisco
for a start, although I think I remember ANSI has less overhead, at last
at lo! speed I think there's a significant difference; anyone can
confirm this ? I can't reach my stuff just now :(, but I remember a case
with IP terminals (like serial terminals but with ethernet, just capable
of doing telnet and print with reverse telnet) at 9600, screen refresh
was MUCH better with ansi (not counting compression).
Heiko
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>-----Original Message-----
>From: Provost, Robert [mailto:[EMAIL PROTECTED]]
>Sent: Monday, July 30, 2001 9:39 PM
>To: [EMAIL PROTECTED]
>Subject: RE: Frame Relay - slow link? overutilized? [7:14163]
>
>
>I'm confused. My remote site LMI type is Cisco, HQ is ANSI.
>I am passing
>LMI and the site is up, just slow. If my LMI type was
>mismatched, wouldn't
>it not work at all? I cleared the counters and over the last couple of
>hours have received no CRCs, FECNs, BECNs, dropped packets, etc.
>
>Here is some statistics from my Frame Relay provider. Their
>reporting also
>shows no FECNs, BECNs, discarded packets, etc.
>
>
>PVC Usage to CIR Ratio Exceptions
>
>Hour Day %Peak 5 Min Crit Thresh
>6 Thu 290.80 150.00
>7 Wed 150.11 150.00
>12 Tue 150.41 150.00
>12 Fri 173.33 150.00
>15 Mon 172.14 150.00
>16 Thu 150.92 150.00
>
>Any suggestions?
>
>TIA,
>Rob
>
>
>-----Original Message-----
>From: Jim Dixon [mailto:[EMAIL PROTECTED]]
>Sent: Monday, July 30, 2001 11:40 AM
>To: Provost, Robert
>Subject: RE: Frame Relay - slow link? overutilized? [7:14163]
>
>
>Robert,
>
>What kind of router is at HQ? Is it the one below?
>What kind is at the remote end? Is IT the one below?
>Which end are we looking at in other words?
>
>Are Both Routers CISCO? Is the Frame Relay Network providing
>CISCO LMI?
>(that is my FIRST question)
>
>If so then check cables. CRC's are most often a layer one issue.
>
>Jim
>
>-----Original Message-----
>From: Provost, Robert [mailto:[EMAIL PROTECTED]]
>Sent: Monday, July 30, 2001 10:22 AM
>To: [EMAIL PROTECTED]
>Subject: RE: Frame Relay - slow link? overutilized? [7:14163]
>
>
>Here is the sh int after cleared counters and 5 minute wait.
>We have 320+
>sites. Most sites are 56k lines, some frac T1, some DSL.
>Most have one PVC
>back to HQ. HQ has three routers on the Frame w/a total of 7 T1s.
>
>Thanks for your help,
>
>Rob
>
>
>router#sh int
>Ethernet0 is up, line protocol is up
> Hardware is QUICC Ethernet, address is 0001.42a5.c6ec (bia
>0001.42a5.c6ec)
> Internet address is 10.253.X.X/24
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255,
>load 1/255
> Encapsulation ARPA, loopback not set, keepalive set (10 sec)
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:01, output 00:00:00, output hang never
> Last clearing of "show interface" counters 00:07:13
> Queueing strategy: fifo
> Output queue 0/40, 0 drops; input queue 0/75, 0 drops
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
> 186 packets input, 19777 bytes, 0 no buffer
> Received 177 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 0 input packets with dribble condition detected
> 438 packets output, 207446 bytes, 0 underruns
> 0 output errors, 0 collisions, 0 interface resets
> 0 babbles, 0 late collision, 0 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>Serial0 is up, line protocol is up
> Hardware is QUICC Serial (with onboard CSU/DSU)
> Description: router DLCI 200
> MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255,
>load 1/255
> Encapsulation FRAME-RELAY IETF, loopback not set, keepalive
>set (10 sec)
> LMI enq sent 44, LMI stat recvd 44, 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
> Broadcast queue 0/64, broadcasts sent/dropped 25/0,
>interface broadcasts
>18
> Last input 00:00:00, output 00:00:00, output hang never
> Last clearing of "show interface" counters 00:07:14
> Input queue: 0/75/0 (size/max/drops); Total output drops: 0
> Queueing strategy: weighted fair
> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> Conversations 0/10/256 (active/max active/max total)
> Reserved Conversations 0/0 (allocated/max allocated)
> 5 minute input rate 1000 bits/sec, 1 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
> 421 packets input, 167457 bytes, 0 no buffer
> Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 117 packets output, 9694 bytes, 0 underruns
> 0 output errors, 0 collisions, 0 interface resets
> 0 output buffer failures, 0 output buffers swapped out
> 0 carrier transitions
> DCD=up DSR=up DTR=up RTS=up CTS=up
>
>Serial0.1 is up, line protocol is up
> Hardware is QUICC Serial (with onboard CSU/DSU)
> Description: HQ DLCI 100
> Internet address is 10.254.X.X/30
> MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255,
>load 1/255
> Encapsulation FRAME-RELAY IETF
>
>-----Original Message-----
>From: Farhan Ahmed [mailto:[EMAIL PROTECTED]]
>Sent: Monday, July 30, 2001 10:52 AM
>To: 'Provost, Robert'; [EMAIL PROTECTED]
>Subject: RE: Frame Relay - slow link? overutilized? [7:14163]
>Importance: High
>
>
>send me sh int
>clear counters before sending and wait for 5 min to get new stats
>
>your router is not receiving lmi packets properly
>how many sites u have?
>
> Num Status Enq. Sent 401101 Num Status msgs Rcvd 400894
>> Num Update Status Rcvd 0 Num Status Timeouts 2
>
>Best Regards
>
>Have A Good Day!!
>
>*******************************************
>Farhan Ahmed*
> MCSE+I, MCP Win2k, CCDA, CCNA, CSE
>Network Engineer
>Mideast Data Systems Abudhabi Uae.
>
>*******************************************
>
>
>
>Privileged/Confidential Information may be contained in this message or
>Attachments hereto. Please advise immediately if you or your
>employer do
>not consent to Internet email for messages of this kind. Opinions,
>Conclusions and other information in this message that do not
>relate to the
>Official business of this company shall be understood as
>neither given nor
>Endorsed by it.
>
>
>> -----Original Message-----
>> From: Provost, Robert [mailto:[EMAIL PROTECTED]]
>> Sent: Monday, July 30, 2001 6:18 PM
>> To: [EMAIL PROTECTED]
>> Subject: Frame Relay - slow link? overutilized? [7:14163]
>>
>>
>> We have a frame relay network with some sites complaining
>> about slowness
>> issues. Everyone is blaming the bandwidth without testing.
>> Is there anyway
>> I can prove what is causing the latency? Here are some
>> outputs from the
>> remote site router. Can someone help me decipher?
>>
>> Thanks,
>> Rob Provost
>>
>> router#sh run
>> Building configuration...
>>
>> Current configuration:
>> !
>> version 12.0
>> service timestamps debug uptime
>> service timestamps log uptime
>> service password-encryption
>> !
>> hostname router
>> !
>> enable password X XXXXXXXXXXXXXXX
>> !
>> ip subnet-zero
>> !
>> !
>> !
>> interface Ethernet0
>> ip address 172.16.1.1 255.255.255.0
>> ip helper-address 10.1.1.2
>> no ip directed-broadcast
>> !
>> interface Serial0
>> description router DLCI 200
>> no ip address
>> no ip directed-broadcast
>> encapsulation frame-relay IETF
>> service-module 56k clock source line
>> service-module 56k network-type dds
>> frame-relay lmi-type cisco
>> !
>> interface Serial0.1 point-to-point
>> description HQ DLCI 100
>> ip address 10.254.12.6 255.255.255.252
>> no ip directed-broadcast
>> frame-relay interface-dlci 100
>> !
>> router rip
>> version 2
>> network 10.0.0.0
>> !
>> ip classless
>> ip route 0.0.0.0 0.0.0.0 10.254.12.5
>> !
>> !
>> line con 0
>> transport input none
>> line vty 0 4
>> password X XXXXXXXXXXXXXXXXX
>> login
>> !
>> end
>>
>> router#sh interfaces serial 0
>> Serial0 is up, line protocol is up
>> Hardware is QUICC Serial (with onboard CSU/DSU)
>> Description: router DLCI 200
>> MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255,
>> load 1/255
>> Encapsulation FRAME-RELAY IETF, loopback not set, keepalive
>> set (10 sec)
>> LMI enq sent 401099, LMI stat recvd 400892, 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
>> Broadcast queue 0/64, broadcasts sent/dropped 276474/0, interface
>> broadcasts 2
>> 09741
>> Last input 00:00:00, output 00:00:00, output hang never
>> Last clearing of "show interface" counters never
>> Input queue: 0/75/0 (size/max/drops); Total output drops: 0
>> Queueing strategy: weighted fair
>> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
>> Conversations 0/10/256 (active/max active/max total)
>> Reserved Conversations 0/0 (allocated/max allocated)
>> 5 minute input rate 1000 bits/sec, 1 packets/sec
>> 5 minute output rate 1000 bits/sec, 1 packets/sec
>> 4243911 packets input, 2199323988 bytes, 0 no buffer
>> Received 0 broadcasts, 0 runts, 2 giants, 0 throttles
>> 52784 input errors, 35055 CRC, 9168 frame, 0 overrun, 0
>> ignored, 8561
>> abort
>> 1472502 packets output, 215379554 bytes, 0 underruns
>> 0 output errors, 0 collisions, 69 interface resets
>> 0 output buffer failures, 0 output buffers swapped out
>> 1 carrier transitions
>> DCD=up DSR=up DTR=up RTS=up CTS=up
>>
>> router#sh controllers serial
>>
>> QUICC Serial (with onboard CSU/DSU) unit 0
>> idb at 0x25158A8, driver data structure at 0x251710C
>> SCC Registers:
>> General [GSMR]=0x2:0x00000030, Protocol-specific [PSMR]=0x0
>> Events [SCCE]=0x0000, Mask [SCCM]=0x001F, Status [SCCS]=0x0006
>> Transmit on Demand [TODR]=0x0, Data Sync [DSR]=0x7E7E
>> Interrupt Registers:
>> Config [CICR]=0x00368461, Pending [CIPR]=0x0000C004
>> Mask [CIMR]=0xC8000012, In-srv [CISR]=0x00000000
>> Command register [CR]=0x6C0
>> Port A [PADIR]=0x0000, [PAPAR]=0xCCC3
>> [PAODR]=0x0000, [PADAT]=0xF5FE
>> Port B [PBDIR]=0x00F13F, [PBPAR]=0x0010CE
>> [PBODR]=0x000000, [PBDAT]=0x034ADD
>> Port C [PCDIR]=0x000A, [PCPAR]=0x0000
>> [PCSO]=0x0830, [PCDAT]=0x03C4, [PCINT]=0x0000
>>
>> SCC GENERAL PARAMETER RAM (at 0xFF00F00)
>> Rx BD Base [RBASE]=0x560, Fn Code [RFCR]=0x18
>> Tx BD Base [TBASE]=0x5A0, Fn Code [TFCR]=0x18
>> Max Rx Buff Len [MRBLR]=1528
>> Rx State [RSTATE]=0x18008240, BD Ptr [RBPTR]=0x590
>> Tx State [TSTATE]=0x18000348, BD Ptr [TBPTR]=0x5A0
>>
>> SCC HDLC PARAMETER RAM (at 0xFF00F38)
>> CRC Preset [C_PRES]=0xFFFF, Mask [C_MASK]=0xF0B8
>> Errors: CRC [CRCEC]=0, Aborts [ABTSC]=1, Discards [DISFC]=0
>> Nonmatch Addr Cntr [NMARC]=0
>> Retry Count [RETRC]=0
>> Max Frame Length [MFLR]=1526
>> Rx Int Threshold [RFTHR]=0, Frame Cnt [RFCNT]=63837
>> User-defined Address 0000/0000/0000/0000
>> User-defined Address Mask 0x0000
>>
>>
>> buffer size 1524
>> BRGC1=101B0, BRGC2=0, BRGC3=0, BRGC4=0
>> modem_signal_addr FF01566
>> MASK: DSR=1, DTR=2,RTS=8.CTS=400,DCD=800
>> txbrgc=FF015FC, rxbrgc=FF015FC
>> BRG [DTE]: rx_sicr_clk=7, tx_sicr_clk=6
>> BRG [DCE]: rx_sicr_clk=7, tx_sicr_clk=3
>> CLK SRC: sync=4000, async=4000
>> RX ring with 8 entries at 0xFF00560, Buffer size 1524
>> Rxhead = 0xFF00578 (3), Rxp = 0x2517134 (3)
>> 00 pak=0x251D0E0 buf=0x279A480 status=9000 pak_size=0
>> 01 pak=0x251CEDC buf=0x2799DC4 status=9000 pak_size=0
>> 02 pak=0x251B99C buf=0x27953B0 status=9000 pak_size=0
>> 03 pak=0x25AC584 buf=0x27B24B0 status=9000 pak_size=0
>> 04 pak=0x25AD19C buf=0x27B4D18 status=9000 pak_size=0
>> 05 pak=0x25AC788 buf=0x27B2B6C status=9000 pak_size=0
>> 06 pak=0x25AC380 buf=0x27B1DF4 status=9000 pak_size=0
>> 07 pak=0x251CCD8 buf=0x2799708 status=B000 pak_size=0
>>
>> TX ring with 2 entries at 0xFF005A0, tx_count = 1
>> tx_head = 0xFF005A0 (0), head_txp = 0x2517184 (0)
>> tx_tail = 0xFF005A8 (1), tail_txp = 0x2517188 (1)
>> 00 pak=0x0000000 buf=0x0000000 status=0000 pak_size=0
>> 01 pak=0x25606F4 buf=0x279EBC8 status=BC00 pak_size=600
>> QUICC SCC specific errors:
>> 8561 input aborts on receiving flag sequence
>> 0 throttles, 0 enables
>> 0 overruns
>> 0 transmitter underruns
>> 0 transmitter CTS losts
>>
>> LXT441 (CSU/DSU) registers at 0xD040000
>> Mode=0x10, Call=0x00, Loopback=0x00 (Forced=none), Reg3=0x00
>> Reg4=0x00, Reg5=0x00, Reg6=0x00, Reg7=0x9F
>> Last Interrupt Status=0x20 (Int Enable=0x61)
>> Handshake Signal Status=0x6B (R9=0x6B, Forced=none)
>> Status=0x3D, Regb=0x59, Rx Code=0x00 (Last valid=0x00, Rx
>Enable=0x3D)
>> BPV=0x6A, Rege=0x00, Regf=0x00
>>
>> Glue logic (also RDL) registers at 0xD080000
>> SSR0=0x23 (Rev 2, RDL ERROR), SCR0=0x1F
>> SCR1=0xA0 (RDL Loop Up Detection, Actual=0xA0)
>> router#sh frame lmi
>>
>> LMI Statistics for interface Serial0 (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 401101 Num Status msgs Rcvd 400894
>> Num Update Status Rcvd 0 Num Status Timeouts 207
>> router#
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