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[inet-admins] STAC компрессия между CISCO & Inter Express Router ...


  • To: inet-admins@info.east.ru
  • Subject: [inet-admins] STAC компрессия между CISCO & Inter Express Router ...
  • From: Yury Yaroshevsky <yk@donbass.net>
  • Date: Sat, 10 Jan 2004 14:12:50 +0200 (EET)


Есть CISCO 2611 и Intel Express Router 9100.
Между ними настроен FR.

вот конфигурация интерфейса со стороны CISCO:

interface Serial0/0
 no ip address
 encapsulation frame-relay IETF
 no ip route-cache
 no ip mroute-cache
 no fair-queue
 clockrate 128000
 frame-relay lmi-type ansi
 frame-relay intf-type dce

interface Serial0/0.1 point-to-point
 ip unnumbered Loopback0
 no ip route-cache
 no ip mroute-cache
 frame-relay interface-dlci 129 IETF protocol ip 10.0.1.1
 frame-relay payload-compression FRF9 stac software

На Intele на этом PVC включен Data Compression - STAC

Вот что происходит на CISCO (debug compress) при попытке опустить/поднять
интерфейс:

00:07:56: frf9_DLCIStatusChange dlci: 129
00:07:56: frf9_DLCIStatusChange: closing hardware
00:07:58: %LINK-5-CHANGED: Interface Serial0/0, changed state to 
administratively down
00:07:58: frf9_DLCIStatusChange dlci: 129
00:07:58: frf9_DLCIStatusChange: Kicking negotiation
00:07:58: frf9_monitorNegotiation: sending first mode 1 request
00:08:00: %LINK-3-UPDOWN: Interface Serial0/0, changed state to up
00:08:01: frf9_monitorNegotiation: re-sending mode 1 request
00:08:04: frf9_monitorNegotiation: re-sending mode 1 request
00:08:07: frf9_monitorNegotiation: re-sending mode 1 request
00:08:10: frf9_monitorNegotiation: re-sending mode 1 request
00:08:13: frf9_monitorNegotiation: re-sending mode 1 request
00:08:16: frf9_monitorNegotiation: re-sending mode 1 request
00:08:19: frf9_monitorNegotiation: re-sending mode 1 request
00:08:22: frf9_monitorNegotiation: re-sending mode 1 request
00:08:25: frf9_monitorNegotiation: re-sending mode 1 request
00:08:28: Serial0/0:FRF9: negotiation retry limit exceeded!

Хотя после этого sh compress говорит:

Router#sh compress
 Serial0/0 - DLCI: 129
        Software compression enabled
        uncompressed bytes xmt/rcv 0/0
        compressed   bytes xmt/rcv 0/0
        1  min avg ratio xmt/rcv 0.000/0.000
        5  min avg ratio xmt/rcv 0.000/0.000
        10 min avg ratio xmt/rcv 0.000/0.000
        no bufs xmt 0 no bufs rcv 0
        resyncs 0
      Additional Stacker Stats:
      Transmit bytes:  Uncompressed =        0 Compressed =          0
      Received bytes:  Compressed =          0 Uncompressed =        0

IOS: 

Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-IK8S-M), Version 12.2(11)T8,  RELEASE SOFTWARE 
(fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Fri 28-Mar-03 18:31 by hqluong
Image text-base: 0x8000809C, data-base: 0x817E3CB4

На IP 12.3.5 при том же debug, sh compress показывал что компрессия не включена.

Кто-нибудь использует STAC компрессию между CISCO и Intel (на FR PVC) ?
Какие рекомендации будут по версии IOS-са и настройкам?
-- 
YY18-RIPE

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