From: John Murphy (jt.murphy@comcast.net)
Date: Tue Mar 01 2005 - 15:42:50 GMT-3
Seems to work as expected with 12.2(15)T12 Tim...
RTR1 ------ RTR2 -------RTR3
172.16.200.10 is the interface on RTR1
172.16.123.3 is the serial int on rtr3
class-map match-all fr-de
match access-group 101
!
!
policy-map frame-de
class fr-de
set fr-de
!
R2#sh access-list 101
Extended IP access list 101
10 permit ip host 172.16.200.10 host 172.16.123.3 (14 matches)
R2#
R2#sh policy-map interface ser2/0
Serial2/0
Service-policy output: frame-de
Class-map: fr-de (match-all)
14 packets, 1456 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: access-group 101
QoS Set
fr-de
Packets marked 14
Class-map: class-default (match-any)
87 packets, 4430 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
R3#sh fram pvc 302
PVC Statistics for interface Serial2/0 (Frame Relay DTE)
DLCI = 302, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial2/0
input pkts 19 output pkts 28 in bytes 1976
out bytes 2912 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 14 out DE pkts 0
out bcast pkts 0 out bcast bytes 0
5 minute input rate 0 bits/sec, 1 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
pvc create time 00:35:56, last time pvc status changed 00:35:37
R3#
ccie2be wrote:
>Eric,
>
>I'm not sure that show command is trustworthy.
>
>What happens when you do the same thing but use the show fram pvc <dlci #>
>instead on the remote router?
>
>Do you get the same results?
>
>Tim
>
>-----Original Message-----
>From: Eric Taylor [mailto:etaylor10@tampabay.rr.com]
>Sent: Tuesday, March 01, 2005 11:55 AM
>To: ccie2be; 'Bajo'; 'kuldip singh'
>Cc: 'Wayne Bellward'; ccielab@groupstudy.com
>Subject: RE: Setting the DE bit in frame relay
>
>R4#ping
>Protocol [ip]:
>Target IP address: 172.16.10.3
>Repeat count [5]: 200
>Datagram size [100]:
>Timeout in seconds [2]:
>Extended commands [n]:
>Sweep range of sizes [n]:
>Type escape sequence to abort.
>Sending 200, 100-byte ICMP Echos to 172.16.10.3, timeout is 2 seconds:
>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>Success rate is 100 percent (200/200), round-trip min/avg/max = 56/60/108 ms
>R4#sh policy-map int s0/0
>
> Serial0/0
>
> Service-policy output: SET-DE-IP
>
> Class-map: ip-traffic (match-all)
> 215 packets, 22026 bytes
> 5 minute offered rate 2000 bps, drop rate 0 bps
> Match: access-group 150
> QoS Set
> fr-de
> Packets marked 215
>
> Class-map: class-default (match-any)
> 5 packets, 65 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>R4#
>
>
>Changed the access-list to just ospf and observed the following after
>clearing the counters.
>
>R4#sh policy-map int s0/0
>
> Serial0/0
>
> Service-policy output: SET-DE-IP
>
> Class-map: ip-traffic (match-all)
> 4 packets, 352 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: access-group 150
> QoS Set
> fr-de
> Packets marked 4
>
> Class-map: class-default (match-any)
> 3 packets, 89 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>R4#
>
>It looks like it is marking locally generated traffic.
>
>HTH,
>Eric
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>ccie2be
>Sent: Tuesday, March 01, 2005 11:15 AM
>To: 'Eric Taylor'; 'Bajo'; 'kuldip singh'
>Cc: 'Wayne Bellward'; ccielab@groupstudy.com
>Subject: RE: Setting the DE bit in frame relay
>
>
>Eric et al;
>
>I seem to recall that the router will NOT set the DE bit on traffic
>originating from itself, only transit traffic.
>
>I believe this can be checked by doing a show fram pvc <dlci #> on the
>remote router. Just make sure you clear the counters first.
>
>For example, since you're using OSPF, try setting the DE bit on just the
>ospf traffic to see if that's possible.
>
>HTH, Tim
>
>-----Original Message-----
>From: Eric Taylor [mailto:etaylor10@tampabay.rr.com]
>Sent: Tuesday, March 01, 2005 10:56 AM
>To: ccie2be; 'Bajo'; 'kuldip singh'
>Cc: 'Wayne Bellward'; ccielab@groupstudy.com
>Subject: RE: Setting the DE bit in frame relay
>
>Here is a link for doing the MQC version
>
>http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_guid
>e09186a00800804ab.html#wp1058622
>
>
>
>I just put it up in the lab and it appears to be working as advertised.
>
> class-map match-all ip-traffic
> match access-group 150
>!
>!
> policy-map SET-DE-IP
> class ip-traffic
> set fr-de
>!
>access-list 150 permit ip any any
>!
>interface Serial0/0
> ip address 172.16.10.4 255.255.255.0
> service-policy output SET-DE-IP <--- I want to set the DE bit on all
>outbound traffic on all PVCs
> encapsulation frame-relay
> ip ospf network broadcast
> ip ospf priority 0
> frame-relay map ip 172.16.10.1 203
> frame-relay map ip 172.16.10.2 204 broadcast
> frame-relay map ip 172.16.10.3 203 broadcast
> frame-relay map ip 172.16.10.4 203
> no frame-relay inverse-arp
>!
>
>R4#sh policy-map int s0/0
>
> Serial0/0
>
> Service-policy output: SET-DE-IP
>
> Class-map: ip-traffic (match-all)
> 59 packets, 5040 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: access-group 150
> QoS Set
> fr-de
> Packets marked 59 <------ Shows that the packets are being
>marked.
>
> Class-map: class-default (match-any)
> 18 packets, 234 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>R4#
>
>HTH,
>Eric
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>ccie2be
>Sent: Tuesday, March 01, 2005 10:23 AM
>To: 'Bajo'; 'kuldip singh'
>Cc: 'Wayne Bellward'; ccielab@groupstudy.com
>Subject: RE: Setting the DE bit in frame relay
>
>
>The frame congestion-management command you refer to is configured on the
>frame relay switch not on endpoints of the frame circuit.
>
>It should also be noted that when using the legacy global command to define
>which traffic should have the DE bit set,
>
>frame-relay de-list # protocol ip gt 512,
>
>another command must also be used to associate this traffic with a dlci.
>This command is
>
>frame de-group # <dlci>e de-group # <dlci>
>
>Think of this the same way you do with acl's: 1 command to define which
>traffic is affected and a 2nd command to apply it to the interface. The big
>difference is that when setting the DE bit, you need to apply the defined
>traffic to a dlci, not an interface.
>
>Also, you should be aware that the DE bit can also be set by using the new
>MQC syntax.
>
>HTH, Tim
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Bajo
>Sent: Tuesday, March 01, 2005 9:54 AM
>To: kuldip singh
>Cc: Wayne Bellward; ccielab@groupstudy.com
>Subject: Re: Setting the DE bit in frame relay
>
>Wayne,
>
>A search on the DOC-CD:
>http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fwan
>_c/wcffrely.htm
>
>"When the output interface queue reaches or exceeds the ECN excess
>threshold, all Frame Relay DE bit packets on all PVCs crossing that
>interface will be marked with FECN or BECN, depending on their
>direction of travel. When the queue reaches or exceeds the ECN
>committed threshold, all Frame Relay packets will be marked with FECN
>or BECN."
>
>
>R1(config-if)#frame co?
>congestion-management
>
>R1(config-if)#frame co
>
>R1(config-fr-congest)#?
>Frame Relay congestion management configuration commands:
> default Set a command to its defaults
> exit Exit from frame relay congestion management configuration mode
> no Negate a command or set its defaults
> threshold Configure Frame Relay congestion thresholds
> <cr>
>
>R1(config-fr-congest)#thres?
>threshold
>
>R1(config-fr-congest)#thres ?
> de Configure Frame Relay DE discard threshold
> ecn Configure Frame Relay ECN congestion thresholds
>
>R1(config-fr-congest)#thres
>
>interface serial1
>
> encapsulation frame-relay
>
> frame-relay intf-type dce
>
> frame-relay congestion-management
>
> threshold ecn be 0
>
> threshold ecn bc 20
>
> threshold de 40
>
>
>On Tue, 1 Mar 2005 13:55:34 +0000, kuldip singh <dipa.singh@gmail.com>
>wrote:
>
>
>>Wayne,
>> Below is example of how to use the de-list:
>>
>>The following example specifies that IP packets larger than 512 bytes
>>(including the 4-byte Frame Relay Encapsulation) will have the DE bit
>>set:
>>
>>frame-relay de-list 1 protocol ip gt 512
>>
>>
>>On Tue, 1 Mar 2005 13:15:55 +0000, Wayne Bellward <wbellward@gmail.com>
>>
>>
>wrote:
>
>
>>>Hi,
>>>
>>>This is the first time i've actually posted a question, the archives
>>>have always been great in the past. I'm sure someone can help and it
>>>would be greatly appreciated.
>>>
>>>I'd like to set the discard eligible bit for ip on my standard frame
>>>relay interface and can't seem to find anything substantial on this or
>>>how to confirm it. I have a 2521 as my frame switch and am using frame
>>>route commands so I'm not even sure I can confirm any of the FRTS
>>>functions i configure.
>>>
>>>interface Serial0
>>>ip address 137.20.101.2 255.255.255.0
>>>encapsulation frame-relay
>>>ip ospf network broadcast
>>>ip ospf priority 0
>>>no fair-queue
>>>frame-relay interface-dlci 201
>>>end
>>>
>>>Any help or advise on this would be great.
>>>
>>>Many Thanks,
>>>
>>>Wayne
>>>
>>>_______________________________________________________________________
>>>Subscription information may be found at:
>>>http://www.groupstudy.com/list/CCIELab.html
>>>
>>>
>>_______________________________________________________________________
>>Subscription information may be found at:
>>http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>
>
>--
>Kind Regards,
>
>Bajo
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
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