【正文】 9) 把卡固定在背板連接器上，用螺絲刀擰緊螺絲釘，然后抓住兩個(gè)卡體彈出控制桿（card ejector lever）向把手方向轉(zhuǎn)動(dòng)直到齊平地貼在卡體的前面板上。3. 如果show version提示mbus rom agent(WARNING: Old MBus agent ROM in some slots。可以繼續(xù)進(jìn)行下一步鏈路測試，加載協(xié)議，流量調(diào)整，指標(biāo)測試。 nnnn is the microcode version number. For example, microcode version would display as This display might not be visible because it occurs for only a brief time. MBus controller LMEMTEST Low memory on the line card is being tested. Line card ROM monitor LROMRUN Low memory test has been pleted. Line card ROM monitor BSSINIT Main memory is being initialized. Line card ROM monitor RSTSAVE The contents of the reset reason register are being saved. Line card ROM monitor IORST Reset I/O register is being accessed. Line card ROM monitor EXPTINIT Interrupt handlers are being initialized. Line card ROM monitor TLBINIT TLB is being initialized. Line card ROM monitor CACHINIT CPU data and instruction cache is being initialized. Line card ROM monitor MEMINIT The size of main memory on the line card is being discovered. Line card ROM monitor LROMRDY The ROM is ready for the download attempt. Line card ROM monitor ROMIGET The ROM image is being loaded into line card memory. RP IOS software FABLWAIT The line card is waiting for the loading of the fabric RP IOS software FABLDNLD The fabric downloader is being loaded into line card memory. RP IOS software FABLSTRT The fabric downloader is being launched. RP IOS software FABLRUN The fabric downloader has been launched and is running. RP IOS software IOSDNLD The Cisco IOS software is being downloaded into line card memory. RP IOS software IOSSTRT The Cisco IOS software is being launched. RP IOS software IOSUP The Cisco IOS software is running. RP IOS software IOSRUN The line card is enabled and ready for use. RP IOS software 應(yīng)急方案：如果新增加的模塊不能正常啟動(dòng)，在經(jīng)過排錯(cuò)檢查后，仍不能正常工作，應(yīng)拔下模塊，進(jìn)入回退步驟，結(jié)束本次升級(jí)工作。6) 繼續(xù)推動(dòng)卡體進(jìn)入卡槽，直到卡體上下兩端的卡體彈出凸輪（card ejector cam）的缺口與卡槽的接片（tab）接合。4) 一只手抓住卡體的把手，另一只手在卡體底部平托，注意卡體的上下兩端都要順著卡槽邊緣的凹槽開口進(jìn)入，推動(dòng)卡體進(jìn)入卡槽的一半，這一過程中避免接觸到電路板上的任何電路和連接器。2) 4口OC48 POS短距模塊是全尺寸厚板，需要將機(jī)架上的小擋板拆除。注意：由于廣B NR1板卡分布密集，光纖也較多，在拔出模塊的過程中，不要影響到其他模塊上的光纖。圖 12) 確定需要替換下來的卡（slot 3），用螺絲刀松開固定模塊用螺絲釘，然后抓住兩個(gè)card ejector levels，同時(shí)把兩個(gè)eject lever轉(zhuǎn)動(dòng)90度，把卡從背板連接器上分離開。a) 關(guān)閉廣B NR1 SLOT10/3口Conf tinterface POS10/3shutdownno ip addressendb) 拔出連接到SLOT10/3的光纖，插入到SLOT 3/0c) 恢復(fù)割接前配置廣B NR1：Conf tinterface POS3/0 description NR1CGZBPOS3/0R1CSZCPOS1/0// ip address no ip directedbroadcast ip router isis gdnet tagswitching ip crc 32 clock source internal pos framing sdh pos scrambleatm pos flag s1s0 2 clns router isis gdnet isis circuittype level2only no shutdownend深圳C R1端：c) 深圳端工程師通過console線連接到深圳C R1路由器d) 通過廣A NR深圳C R2逐級(jí)telnet到深圳C R1路由器telnet telnet telnet Conf tinterface POS1/0description R1CSZCPOS1/0NR1CGZBPOS3/0//no shutdownisis metric 10 level2endd) 根據(jù)《2003年廣東電信163數(shù)據(jù)多媒體骨干網(wǎng)優(yōu)化工程－廣B 》割接前測試部分進(jìn)行測試e) 保存配置：copy runn start應(yīng)急方案結(jié)束。6) 關(guān)閉深圳C R1到廣B NR1直連端口鏈路廣B NR1端：Conf tinterface POS3/0shutdownno ip addressend深圳C R1端：Conf tinterface POS1/0 shutdownend7) 斷開連接到slot 3 單端口OC48 POS模塊的光纖，連接到4端口OC48 POS模塊SLOT 10/3端口，注意收發(fā)順序。10) 檢查新增模塊是否為默認(rèn)配置show run int pos 11/0show run int pos 11/1show run int pos 11/2show run int pos 11/3如出現(xiàn)異常配置，用下列命令恢復(fù)出廠默認(rèn)配置default int pos 11/0default int pos 11/1default int pos 11/2default int pos 11/3步驟8：廣B NR1到深圳C R1鏈路割接割接時(shí)間：待定操作人員：實(shí)施內(nèi)容：1) 重復(fù)步驟2，進(jìn)行數(shù)據(jù)、配置備份2) 使用console線連接到該路由器3) 深圳端設(shè)備調(diào)整a) 深圳端工程師通過console線連接到深圳C R1路由器b) 通過廣A NR深圳C R2逐級(jí)telnet到深圳C R1路由器telnet telnet telnet 4) 調(diào)整深圳C R1到廣B NR1之間ISIS metric值到30（目前階段，深圳C R1－深圳C R2－廣A NR1－廣B NR1的metric值之和為23，而深圳C R1到廣B NR1的metric為10），確保深圳C R1到廣B NR1的流量都是通過深圳C R1－深圳C R2－廣A NR1－廣B NR1迂回。 use upgrade mbusagentrom to update)需要升級(jí)，按照提示升級(jí)后：upgrade rommonitor需要將升級(jí)后的模塊reload，hwmodule slot 11 reload4. 模塊重啟后，可以進(jìn)行下一步工作。2. 如果show version出現(xiàn)提示fabric升級(jí)，按照提示進(jìn)行升級(jí)，不需要重啟，可以進(jìn)行下一步工作。8) 模塊插入后，會(huì)發(fā)生的情況：1. 如果模塊不需要升級(jí)，直接測試鏈路，show ver不會(huì)有任何提示。當(dāng)模塊與背板連接器接觸時(shí)，繼續(xù)向里推動(dòng)卡體直到卡體彈出控制桿開始向著卡體上的把手（handle）方向轉(zhuǎn)動(dòng)，如下圖所示