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No	Q & A	Model	Date
1.	How to configure OAM function in ES3528M-SFP Console#sh efm oam status remote interface 1/1 Port MAC Address OUI Remote Unidirectional Link MIB Variable Loopback Monitor Retrieval ---- ----------------- ------ -------- -------------- ------- ------------ 1/1 00-00-00-00-00-00 000000 Disabled Disabled DisabledDisabled Console(config)#int e 1/1 Console(config-if)#efm oam Console#sh efm oam status remote interface 1/1 Port MAC Address OUI Remote Unidirectional Link MIB Variable Loopback Monitor Retrieval ---- ----------------- ------ -------- -------------- ------- ------------ 1/1 00-12-CF-7C-2B-C8 000084 Enabled Disabled Enabled Disabled Console#sh efm oam remote-port status interface 1/1 Configuration of remote port 1 on ethernet 1	ES3528M-SFP	2009/09/04
2.	How to restore the startup-config to L3 switch ? 1.Configure IP address of the switch ES3628EA#config ES3628EA(config)#int vlan 1 ES3628EA(Config-if-Vlan1)#ip add 192.168.1.1 255.255.255.0 2.Configure IP address of a PC running TFTP server to the same subnet of the switch 3.Try to ping the PC from the switch to make sure that the TFTP server is available ES3628EA#ping 192.168.1.100 Type ^c to abort. Sending 5 56-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds. !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms 4.copy the startup-config from the TFTP server to the switch and replace the exisiting startup-config ES3628EA#copy tftp://192.168.1.100/startup-config startup-config Confirm copy file[Y/N]:y Begin to receive file, please wait... ####### File transfer complete. Recv total 37508 bytes Begin to write local file, please wait... Write ok. close tftp client. 5. Show startup-config to make sure the restoring configuration is success ES3628EA#sh startup-config ! no service password-encryption ! hostname ES3628EA vendorlocation TaiWan vendorContact ! ! ip forward-protocol udp bootps ! service dhcp ip dhcp excluded-address 10.71.251.220 10.71.251.222 ! ip dhcp pool blk-8B-vlan200 network-address 10.71.251.192 255.255.255.224 default-router 10.71.251.222 dns-server 203.194.239.32 : : 6.Reload the switch to run the new startup-config ES3628EA#reload Process with reboot? [Y/N] y	ES3628EA	2008/04/09
3.	How to enable the http server function ? 1.Enable HTTP server ES3628EA(config)#ip http server web server is on 2.Configure a user and password for login to the web interface ES3628EA(config)#username admin password 0 admin add user of admin ok 3.Open the web browser and enter the IP address of the switch to login the web interface	ES3628EA	2008/04/09
4.	How to upgrade ES3628EA from bootrom mode 1. Connect a PC running hyperterminal to the console port and Press ctrl-B after reboot the switch to enter the bootrom mode ES3628EA Management Switch Copyright (c) 2001-2006 by Accton Technology Corporation. All rights reserved. Testing RAM... ---->Press Ctrl-B 67,108,864 RAM OK. Loading BootROM... Starting BootRom... Attaching to file system ... Initializing... ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ############################################## DONE. 216.13 BogoMIPS CPU: PowerPC MPC8245MH266, Revision 14 Version: 1.3.2 Creation date: Aug 21 2007, 13:36:52 Attached TCP/IP interface to sc0. [Boot]: 2. Configure the IP address of the switch and TFTPserver and chose download protocol type [Boot]: setconfig Host IP Address: [10.1.1.1] Server IP Address: [10.1.1.2] FTP(1) or TFTP(2): [1] 2 Network interface configure OK. 3. Prepare a PC with IP address 10.1.1.2, running TFTP server software, specify the directory of the file in TFTP server 4.Loading boot.rom from TFTP server [Boot]: load ES3628EA_1.3.2_boot.rom Loading... entry = 0x10010 size = 0x16ecb0 5.Save ES3628EA_1.3.2_boot.rom as boot.rom [Boot]: write boot.rom 6.Overwrite the existing file File exists, overwrite? (Y/N)?[N] y Writing ... Write file OK. 7.Loading config.rom from TFTP server [Boot]: load ES3628EA_1.3.2_config.rom Loading... entry = 0x10010 size = 0x6e88c 8.Save ES3628EA_1.3.2_config.rom as config.rom [Boot]: write config.rom 9.Overwrite the existing file File exists, overwrite? (Y/N)?[N] y Writing ... Write file OK. 10.Reboot the switch to use the new boot.rom and confi.rom [Boot]: reboot 11. Press ctrl-B ES3628EA Management Switch Copyright (c) 2001-2006 by Accton Technology Corporation. All rights reserved. Testing RAM...---->Press Ctrl-B 67,108,864 RAM OK. Loading BootROM... Starting BootRom... Attaching to file system ... Initializing... ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ############################################## DONE. 216.13 BogoMIPS CPU: PowerPC MPC8245MH266, Revision 14 Version: 1.3.2 Creation date: Aug 21 2007, 13:36:52 Attached TCP/IP interface to sc0. 12. Configure the IP address of the switch and TFTP server and chose download protocol type [Boot]: setconfig Host IP Address: [10.1.1.1] Server IP Address: [10.1.1.2] FTP(1) or TFTP(2): [1] 2 Network interface configure OK. 13.Loading nos.img from TFTP server [Boot]: load ES3628EA_5.3.0.33_nos.img Loading... entry = 0x10010 size = 0x3f8fdc 14.Save ES3628EA_5.3.0.33_nos.img as nos.img [Boot]: write nos.img Writing ... Write file OK. 15.Check the file system [Boot]: dir config.rom 452,764 1900-01-01 00:00:00 --SH boot.rom 1,502,400 1900-01-01 00:00:00 --SH boot.conf 255 1980-01-01 00:00:00 ---- nos.img 4,165,612 1980-01-01 00:03:56 ---- key 32 1980-01-01 00:07:44 ---- Total 6121063 byte(s) in 5 file(s). 16.Reboot the switch to run in new image file [Boot]: reboot	ES3628EA	2008/04/02
5.	ES4626 can't boot up after update the firmware via bootrom mode ES4626 can't boot up after update the firmware via bootrom mode because wrong boot.ram and config.rom were used. we will add bootrom upgrade protect feature on 5.4.10x.0 version Problem Description I got the new 5.4.22 firmware and upgraded a 4626. the system is no longer responding, it will not boot. I took a second 4626 and tried to upgrade the firmware on that system. same result. I am able to load all 3 files. Then the system hangs when i type "reboot" I can power cycle the switch, but it does not boot. here is a log of what i did: Loading BootROM... Starting at 0xffc00100... Attaching to file system ... Initializing... DONE. 266.38 BogoMIPS VxWorks System Boot Copyright 1984-2002 Wind River Systems, Inc. CPU: Motorola MPC82xx ADS - HIP7 Version: 5.4 BootRom version: 1.1.2 Creation date: Feb 9 2007, 13:02:51 BootConfig.bootDev = sc Attached TCP/IP interface to sc0. [Boot]: [Boot]: [Boot]: setconfig Host IP Address: [192.168.1.10] 192.168.1.1 Server IP Address: [] 192.168.1.10 FTP(1) or TFTP(2): [1] 2 Network interface configure OK. [Boot]: load ES4624(26)-SFP_1.6.2_boot.rom --->Using wrong boot.rom for ES4626 Loading... entry = 0x10010 size = 0x1f7c50 Loading file ok! [Boot]: write boot.rom File exists, overwrite? (Y/N)?[N] y Writing boot.rom... Write file OK. [Boot]: load ES4624(26)-SFP_1.6.2_config.rom--->Using wrong config.rom for ES4626 Loading... entry = 0x10010 size = 0x797e0 Loading file ok! [Boot]: write config.rom File exists, overwrite? (Y/N)?[N] y Writing config.rom... Write file OK. ------>After you upgrade the boot.rom and config.rom, you MUST reload the switch, then you can write the nos.img, otherwise the upgrade will fail [Boot]: load ES4624(26)-SFP_5.4.22.0_nos.img Loading... entry = 0x10010 size = 0x599984 Loading file ok! [Boot]: write nos.img Writing nos.img... Write nos.img OK. [Boot]: reboot ====================== I am currently stuck with 2 dead 4626 switches.	ES4626	2008/03/31
6.	How to upgrade the firmware via bootrom mode ? Connect a PC running hyperterminal program to the switch via console port Reboot the switch Testing RAM... ------> Press ctrl_b to enter the bootrom mode 0x03740000 RAM OK Loading BootROM... Starting at 0xffc00100... Attaching to file system ... Initializing... DONE. 265.47 BogoMIPS CPU:PowerPC MPC8248MH400, Revision 10 Version: 1.2.0 Creation date: Oct 29 2007, 19:44:04 BootConfig.bootDev = sc Attached TCP/IP interface to sc0. [Boot]: ---->Bootrom mode [Boot]: setconfig ----> set ip config Host IP Address: [192.168.1.1] -----> enter switch IP address Server IP Address: [192.168.1.52] -----> enter tftp server IP FTP(1) or TFTP(2): [1] 2 ----> chose tftp Network interface configure OK. [Boot]: saveconfig ----->save ip config [Boot]: [Boot]: load ES4626(50)_1.2.0_boot.rom --->loading boot.rom file from tftp server Loading... entry = 0x10010 size = 0x1d84e4 Loading file ok! [Boot]: write boot.rom -->save boot.rom File exists, overwrite? (Y/N)?[N] y ---->overwrite old boot.rom Writing boot.rom... Write file OK. [Boot]: load ES4626(50)_1.2.0_config.rom ---->loading config.rom from tftp server Loading... entry = 0x10010 size = 0x55aa8 Loading file ok! [Boot]: write config.rom --->save ES4626(50)_1.2.0_config.rom as config.rom File exists, overwrite? (Y/N)?[N] y --->overwrite old config.rom Writing config.rom... Write file OK. [Boot]: boot ---->reboot the switch to run on new boot.rom and config.rom Starting at 0xffc00100... Attaching to file system ... Initializing... DONE. 265.47 BogoMIPS CPU:PowerPC MPC8248MH400, Revision 10 Version: 1.2.0 Creation date: Oct 29 2007, 19:44:04 BootConfig.bootDev = sc Attached TCP/IP interface to sc0. [Boot]: setconfig --->check ip config Host IP Address: [192.168.1.1] Server IP Address: [192.168.1.52] FTP(1) or TFTP(2): [2] Network interface configure OK. [Boot]: load ES4626(50)_5.4.22.1_nos.img ----> load nos.img from tftp server Loading... entry = 0x10010 size = 0x595ca7 Loading file ok! [Boot]: write nos.img ---->save ES4626(50)_5.4.22.1_nos.img as nos.img File exists, overwrite? (Y/N)?[N] y --->overwrite the old nos.img file Writing nos.img................................................................. ........................................................... Write nos.img OK. [Boot]: load ACCTON-ES4626-1.0.0-vendor.cfg ----> load vendor.cfg from tftp server Loading... entry = 0x10010 size = 0x9dd2 Loading file ok! [Boot]: write vendor.cfg --->save ACCTON-ES4626-1.0.0-vendor.cfg as vendor.cfg File exists, overwrite? (Y/N)?[N] y --->overwrite the old vendor.cfg Writing vendor.cfg.... Write vendor.cfg OK. [Boot]: run --->reboot the switch Loading nos.img ... done. Booting...... Starting at 0x10000... Attaching to file system ... Switch Settings vlan mac: 00-12-CF-3F-BB-60 serial number: DCKD0703000010 manufacture date: 2007/05/16 --- Performing Power-On Self Tests (POST) --- DRAM Test....................PASS! PCI Device 1 Test............PASS! FLASH Test...................PASS! FAN Test.....................PASS! Done All Pass. ------------------ DONE --------------------- Current time is SUN JAN 01 00:00:00 2006 ES4626 Series Switch Operating System Software Package Version ES4626_Vco.5.4.22.1 Compiled Mar 6 2008 19:12:13 28 Ethernet/IEEE 802.3 interface(s) Mac Addr 00-12-cf-3f-bb-60 ES4626>setup ^ % Invalid input detected at '^' marker. ES4626>Loading factory config ... %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/1, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 1, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/2, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 2, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/3, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 3, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/4, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 4, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/5, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 5, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/6, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 6, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/7, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 7, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/8, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 8, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/9, changed state to U P %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 9, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/10, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 10, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/11, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 11, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/12, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 12, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/13, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 13, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/14, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 14, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/15, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 15, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/16, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 16, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/17, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 17, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/18, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 18, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/19, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 19, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/20, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 20, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/21, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 21, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/22, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 22, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/23, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 23, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/24, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 24, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/25, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 25, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/26, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 26, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/27, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 27, changed state to DOWN %Jan 01 00:00:19 2006 %LINK-5-CHANGED: Interface Ethernet1/28, changed state to UP %Jan 01 00:00:19 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 28, changed state to DOWN %Jan 01 00:00:21 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 1, changed state to UP %Jan 01 00:00:21 2006 %DUPLEX-7-CHANGE: Interface Ethernet1/1, DUPLEX changed st ate to FULL %Jan 01 00:00:21 2006 %SPEED-8-CHANGE: Interface Ethernet1/1, SPEED changed stat e to 1G %Jan 01 00:00:21 2006 %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet1/ 23, changed state to UP %Jan 01 00:00:21 2006 %DUPLEX-7-CHANGE: Interface Ethernet1/23, DUPLEX changed s tate to FULL %Jan 01 00:00:21 2006 %SPEED-8-CHANGE: Interface Ethernet1/23, SPEED changed sta te to 100M ES4626>	ES4626	2008/03/27
7.	How to reset to factory default ? Set default configuration ES4626-SFP#set default Are you sure? [Y/N] = y Save to NVRAM ES4626-SFP#write ES4626-SFP#%Jan 01 18:36:13 2006 Write configuration success! Reboot the switch to run the default configuration ES4626-SFP#reload Process with reboot? [Y/N] y	ES4626	2008/03/27
8.	The Multicast flooding behaviour The mulitcast flooding behaviour: 1.Unknown multicast packets will be traped to CPU. 2.CPU will process them and write the mulitcast group mac address and router port (if any) to the multicast registration table in chip. 3.Before written those information to chip, multicast traffic will be flooded, this is switch behavior. 4.After written those information to chip, multicast traffic will only be flooded to router ports 5.If there is no router port, multicast mac address will associate to a non-existing port, and multicast traffic will be discarded. 6.The dynamic learned entries will age out every 5 min by default. 7.Before they were learned again, unknow multicast will be flooded 8.We have a command to prevent unknow multicast flooding by configuring switch block multicast at interface. Test 1 ES3528-WDM connected to switch 1 enabled IGMP Querier with port 27, Windows Media Server (Multicast stream) attached to switch 1. PC connected to port 1 of ES3528-WDM running ethereal and media player to play video from Server. port 27 mrouter port packet 85 PC send report to 224.2.211.39, then receiving multicast traffic till 1101, PC send out leave packet at 1071 packet 1337 PC send report to 224.2.208.246 then receiving multicast traffic till 3037 after sending leave packet at 2035 no flooding was seen. (igmp snooping 2 file) Test 2 If I connected W indows Media Server to port 28 packet 274 PC send report to 224.2.232.21, then receiving multicast traffic till 906, PC send out leave packet at 808 packet 922 PC send report to 224.2.211.39 then receiving multicast traffic till 1689 after sending leave packet at 1657 then I saw flooding of multicast to other group 224.2.208.246, 233.122.10.40 (multicast 2) Need to configure switch block multicast at interface showing below so port 1 won't receive unknown multicast anymore. Console(config-if)#int e 1/1 Console(config-if)#switchport block multicast Console(config-if)#end Console#sh ip igmp snooping mrouter VLAN M'cast Router Ports Type ---- ------------------- ------- 1 Eth 1/27 Dynamic Console#sh mac-address-table multicast VLAN M'cast IP addr. Member ports Type ---- --------------- ------------ ------- 1 224.2.140.170 Eth 1/27 Dynamic-----> unknown multicast group bind to router port 1 224.2.145.34 Eth 1/27 Dynamic 1 224.2.199.186 Eth 1/27 Dynamic 1 224.2.201.171 Eth 1/27 Dynamic 1 224.2.208.246 Eth 1/27 Dynamic 1 224.2.211.39 Eth 1/27 Dynamic 1 224.2.223.9 Eth 1/27 Dynamic 1 224.2.232.21 Eth 1/27 Dynamic 1 224.2.239.122 Eth 1/27 Dynamic 1 224.2.247.8 Eth 1/27 Dynamic 1 233.122.10.40 Eth 1/27 Dynamic 1 239.255.255.250 Eth 1/28 IGMPSNP 1 239.255.255.254 Eth 1/ 1 IGMPSNP	ES3528-WDM	2007/11/16
9.	Why rate-limiting not so accurate while using FTP to do the test? During FTP test, the rate was not so accurate, sometime far below the rate limited. There are several factor affecting it, 1.Performance of the server and testing PC, 2. The other main reason is that FTP is using TCP protocol, if there is any packet drop during rate limiting, the dropped packet need to be resend, this will take extra time, so the the rate will be lower since the time increase, especially limited with lower rate, more packets will be dropped. So by using FTP to verify rate-limiting function is only for reference, If you want to have a accurate result, it is recommend that you use Smart bit or Ixia to do the test. The Switch controller chip have a fixed buffer (leaky bucket or token bucket) . It does buffer the packets temporarily, if the number of packets exceed the buffer, the overflow packet still will be dropped. A simple test ,download 174MB (customer using 176MB) file from ftp server, the result rate limit 512kbps come out to with 490.32 Kbps	ES3526XA V2	2007/11/16
10.	How to upgrade the ES4704BD firmware 1.Check current Firmware version CS11#sh ver ES4704BD Device, Feb 24 2006 09:28:33 HardWare version is 1.2, SoftWare package version is ES4704BD_2.3.9.0, BootRom --->current version is 2.3.9.0 version is ES4704BD_1.5.9 Copyright (C) 2001-2006 by Accton Technology Corp.. All rights reserved. Last reboot is cold reset Uptime is 0 weeks, 0 days, 0 hours, 21 minutes 2.Check if there is space in flash CS11#sh flash boot.rom 341,960 1900-01-01 00:00:00 --SH boot.conf 83 1900-01-01 00:00:00 --SH nos.img 6,611,501 2006-05-23 16:26:12 ---- startup-config 4,572 2007-11-09 12:03:26 ---- Total 6958116 byte(s) in 4 file(s). 3. Start TFTP server program in a PC 4. Ping TFTP server from Switch to make sure that TFTP server is reachable 5.copy ES4704(10)BD_5.4.10.1_nos.img from TFTP server to switch and replace the nos.img CS11#copy tftp://192.168.1.100/ES4704(10)BD_5.4.10.1_nos.img nos.img Confirm copy between local and remote[Y/ N]:y Begin to receive file, please wait... ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ################################################################################ ######################################## File transfer complete. Recv total 11264118 bytes Begin to write local file, please wait... Write ok. Close tftp client. CS11# 6. Reload the switch for using new firmware CS11#reload Process with reboot? [Y/N] y	ES4704BD	2007/11/16