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@Edmonton

Thanks for so many friends helping me.

liuxia(liuxia)
I applied no ip address on s0, and have ip address on subinterface, no loopback interface. There is same configuration on UK router, there is no problem there. Is it possible serial cable has problem?
My configuration on remote site:

interface Serial0
description Frame Relay Circuit
no ip address
encapsulation frame-relay IETF
no fair-queue
frame-relay lmi-type ansi
hold-queue 1024 out
!
interface Serial0.500 point-to-point
description PVC to TORONTO_3810
bandwidth 128
ip address 192.168.254.38 255.255.255.252
frame-relay interface-dlci 500 voice-encap 80
class FRS1
...............
map-class frame-relay FRS1
frame-relay voice bandwidth 32000
frame-relay fragment 80
no frame-relay adaptive-shaping
frame-relay cir 64000
frame-relay bc out 640
frame-relay be out 0
frame-relay mincir 64000
frame-relay fair-queue
.....................

By the way, I'm not from Shanghai.
(#702962@0)
Last Updated: 2002-8-20
This post has been archived. It cannot be replied.
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Replies, comments and Discussions:

  • 工作学习 / 事业与工作 / Hi, I really appreciate if anybody could tell me how to resolve my problem -liuxia(liuxia); 2002-8-19 {798} (#701636@0)
    I have a MC3810 router in remote city connecting Toronto through Serial cable, external DSU/CSU to Frame Relay cloud, we apply VoFR. To ensure voice quality, we use traffic shapping on s0, but there are a lot of traffic shapping output packets drops on pvc and interface, which means there are a lot of packets lost during thransfering. But the cities which have MFT (interal DSU/CSU) connections with same configurations haven't this kind of problem. Today, I made no traffic shapping on that interface, still have a few packets lost, and another city which meets same problem, when I don't apply traffic shapping on s0, there is no packets drops.
    Could any Cisco expert tell me how to resolve this problem? I want to keep serial connection and traffic shapping.

    Thank you very much!!!!!!!
    • up^ -midnightblues(贞子); 2002-8-19 (#701767@0)
      • Thanks for so many friends helping me. -liuxia(liuxia); 2002-8-20 {930} (#702962@0)
        I applied no ip address on s0, and have ip address on subinterface, no loopback interface. There is same configuration on UK router, there is no problem there. Is it possible serial cable has problem?
        My configuration on remote site:

        interface Serial0
        description Frame Relay Circuit
        no ip address
        encapsulation frame-relay IETF
        no fair-queue
        frame-relay lmi-type ansi
        hold-queue 1024 out
        !
        interface Serial0.500 point-to-point
        description PVC to TORONTO_3810
        bandwidth 128
        ip address 192.168.254.38 255.255.255.252
        frame-relay interface-dlci 500 voice-encap 80
        class FRS1
        ...............
        map-class frame-relay FRS1
        frame-relay voice bandwidth 32000
        frame-relay fragment 80
        no frame-relay adaptive-shaping
        frame-relay cir 64000
        frame-relay bc out 640
        frame-relay be out 0
        frame-relay mincir 64000
        frame-relay fair-queue
        .....................

        By the way, I'm not from Shanghai.
        • 看你的配置，冲突了，或者把voice-encap去了留traffic shaping -avacao(吃草的大老虎白白胖胖); 2002-8-20 {445} (#703294@0)
          When configuring the voice-encap option on the Cisco MC3810 to enable Voice over Frame Relay, set the data fragmentation size based on the port access rate. Table 8 lists recommended data fragmentation sizes for different port access rates. Note also that when the voice-encap option is configured on the Cisco MC3810, voice traffic is not shaped, and all priority queuing, custom queuing, and weighted fair queuing is disabled on the interface.
    • 1, turn on debug mode on that int if you can read all those msg. 2, ask your transmission guy check the BER over that link. -falcon(令狐葱); 2002-8-19 (#701984@0)
      • 有没有可能是两个断口的地址设定有问题？ 记得以前遇到过这种情况，是因为这个问题。 -ningxin0809(菊扇); 2002-8-19 (#701986@0)
        • if addr was wrong then he shouldn't get a packet transfered over, is it ? I could be wrong, long time no playing around with CISCO stuff. -falcon(令狐葱); 2002-8-19 (#701997@0)
          • 2年没做， 确实瞎支招， 就当UP了/， 我记得是当时内部地址环出了问题。 -ningxin0809(菊扇); 2002-8-19 (#702006@0)
    • 抱歉帮不上啥忙,但看你的名字很熟悉,很象是我的一个同学,好奇的问一下你是从上海来的吗? -unix_guy(大步流星奔小康®); 2002-8-19 (#701987@0)
    • which kind of packes is lost? data or voice, and if possible, paste your config here will be better -avacao(吃草的大老虎白白胖胖); 2002-8-19 (#702003@0)
      • email你比较好， 会不会有敏感地址什么的。/up -ningxin0809(菊扇); 2002-8-19 (#702011@0)
        • 把具体数值都删了就可以了，把基本命令留着， -avacao(吃草的大老虎白白胖胖); 2002-8-19 (#702038@0)

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