tag:blogger.com,1999:blog-12802948113111501182024-03-14T03:00:11.766-07:00CISCO tips and tricksHemal Ekanayakehttp://www.blogger.com/profile/10548891283696196260noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1280294811311150118.post-43231295572975957252015-04-26T23:20:00.001-07:002015-04-26T23:20:17.049-07:00How to configure Access Point as a Workgroup Bridge – (CISCO1261, 1242)<p>Here I'm going to use CISCO 1261 two access points and you can apply the same configuration to CISCO 1242 Model also.</p> <p>I'm not going to show you about the basic configuration and only Root Access point and Work Group bridge configurations printed here.</p> <p><a href="http://lh3.googleusercontent.com/-uXWB5uNP9Sw/VT3Uuyy6UlI/AAAAAAAABkM/pgy_BV-elIU/s1600-h/image%25255B8%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-qM6pi-Nl-EQ/VT3UwiLuYmI/AAAAAAAABkU/I62CD9Ci_ik/image_thumb%25255B4%25255D.png?imgmax=800" width="510" height="199"></a> </p> <p> </p> <p>First I will Configure the Workgroup Bridge</p> <p></p> <p><strong>CLI Instructions</strong></p> <p>1. To configure the SSID, enter: </p> <p> <h3>AP-01(config)#dot11 ssid ‘SSID Name’</h3> <h3>AP -01(config-ssid)#authentication open </h3> <p><a href="http://lh3.googleusercontent.com/-AJKuqbSshQ8/VT3Ux0TvYgI/AAAAAAAABkc/5D8PVCh5xck/s1600-h/image%25255B22%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-D4ctBvOUMrg/VT3UzdT6pTI/AAAAAAAABkk/aiw80JbAT0Y/image_thumb%25255B12%25255D.png?imgmax=800" width="461" height="46"></a><a href="http://lh3.googleusercontent.com/-WlORPIoBb90/VT3U0T_gy-I/AAAAAAAABks/HlwfwliEBFQ/s1600-h/image%25255B12%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-RhZDL8wqcnQ/VT3U1rUr26I/AAAAAAAABk0/dA3LKR5fGaU/image_thumb%25255B6%25255D.png?imgmax=800" width="462" height="53"></a> <p>Here I have configured open authentication and later you can change that with your requirement. <p>2.Then we need to change the station role to the wokrgroup bridge under the the correct radio interface, enter: <h3>AP -01(config)#interface dot11Radio 0</h3> <h3>AP -01(config-if)#station-role workgroup-bridge</h3> <p><a href="http://lh3.googleusercontent.com/-YI5sMV-llyI/VT3U21HjpyI/AAAAAAAABk8/xW_QE8CKrsQ/s1600-h/image%25255B16%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-feETmFU9SqY/VT3U4S7XG9I/AAAAAAAABlE/hvRkwDiOls8/image_thumb%25255B8%25255D.png?imgmax=800" width="462" height="112"></a> <p><strong>GUI Instruction to Configure this AP as Workgroup Bridge</strong> <p>Configure SSID. <p>To configure SSID, Go in to Security > SSID manager Then give your SSID name and select the Interface and the Client authentication method.. click ok to continue <p><a href="http://lh3.googleusercontent.com/-D5TNnARf5_w/VT3U5xSOo6I/AAAAAAAABlM/9ePlAYBQNeY/s1600-h/image%25255B34%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-hnOGxmznXFI/VT3U75BJuKI/AAAAAAAABlU/44tgmyhjwjg/image_thumb%25255B18%25255D.png?imgmax=800" width="479" height="304"></a> <p>Enable the radio Interface.</p> <p>Go in to Network interfaces> Radio0-** > Settings<br>Under that you can enable Radio and set the role as Workgroup Bridge</p> <p><a href="http://lh3.googleusercontent.com/-ZhEG9RRmmoc/VT3U9JGNLYI/AAAAAAAABlc/VjNs0jTn3Qo/s1600-h/image%25255B30%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-d07v512pLNo/VT3U-fLv-yI/AAAAAAAABlk/UCE5wTGe1nQ/image_thumb%25255B16%25255D.png?imgmax=800" width="476" height="236"></a> <p></p> <p><strong>Now We can configure the Root AP</strong></p> <h3>Ap-02(config)#dot11 ssid ‘SSID Name’</h3> <h3>Ap-02(config-ssid)#authentication open</h3> <h3>Ap-02(config-ssid)#guest-mode</h3> <p><a href="http://lh3.googleusercontent.com/-LhTJwWmSa2Q/VT3U_i8241I/AAAAAAAABls/ks0rqSiJnZA/s1600-h/image%25255B26%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-ZSAHlipo474/VT3VBBm_WGI/AAAAAAAABl0/5L3XPASJpgY/image_thumb%25255B14%25255D.png?imgmax=800" width="455" height="110"></a> </p> <p>a. guest-mode command will configures the SSID to be broadcasted by the root Access point. <p>b. In order to configure the radio role to be the root and add the SSID under the radio, enter: <h3>Ap-02(config)#interface dot11Radio 0</h3> <h3>Ap-02(config-if)#station-role root</h3> <h3>Ap-02(config-if)#ssid ‘SSID Name’</h3> <p></p> <p><strong>GUI Instruction to Configure this AP as Root AP</strong></p> <p>Configure SSID and the Guest mode</p> <p>To configure SSID, Go in to Security > SSID manager Then give your SSID name and select the Interface and the Client authentication method.. click ok to continue</p> <p><a href="http://lh3.googleusercontent.com/-D5TNnARf5_w/VT3U5xSOo6I/AAAAAAAABlM/9ePlAYBQNeY/s1600-h/image%25255B34%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-hnOGxmznXFI/VT3U75BJuKI/AAAAAAAABlU/44tgmyhjwjg/image_thumb%25255B18%25255D.png?imgmax=800" width="479" height="304"></a> </p> <p><strong>then Select Single Guest mode and select the SSID from the drop down list</strong></p> <p><a href="http://lh3.googleusercontent.com/-K4whX3rSYZk/VT3VC_LPEpI/AAAAAAAABl8/n5BFfDT4lP0/s1600-h/image%25255B38%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-DhOhbCyZR2Q/VT3VEMp7enI/AAAAAAAABmE/3eR9Uhhcms8/image_thumb%25255B20%25255D.png?imgmax=800" width="487" height="86"></a> </p> <p></p> <p>In order to configure the AP role as root, go in to Network > Network Interface > Choose the correct radio interface > Settings. Choose the role in the radio network to be the AP as shown here: <p><a href="http://lh3.googleusercontent.com/-zZ0VZgj-k2o/VT3VGAlNwoI/AAAAAAAABmM/Do6LEoDcOxY/s1600-h/image%25255B42%25255D.png"><img title="image" style="border-left-width: 0px; border-right-width: 0px; border-bottom-width: 0px; display: inline; border-top-width: 0px" border="0" alt="image" src="http://lh3.googleusercontent.com/-RHnFTyGundk/VT3VHlcfBFI/AAAAAAAABmU/FgepNWs6tjU/image_thumb%25255B22%25255D.png?imgmax=800" width="478" height="263"></a> <p>Now you will able to bridge your AP and able to make the communication between those two AP. to troubleshoot you can use “<strong>show dot11 associations </strong>” command. Hemal Ekanayakehttp://www.blogger.com/profile/10548891283696196260noreply@blogger.com0tag:blogger.com,1999:blog-1280294811311150118.post-84234647357650458502013-12-02T20:17:00.001-08:002013-12-03T00:43:07.678-08:00How to upgrade Cisco IOS on an Autonomous Access Point<p>Firmware upgrade in Cisco 1242</p> <p>The details that is mentiond below is based on Cisco Aironet 1240AG Series Access Point(Here I have used CISCO 1242) that runs Cisco IOS Software Release12.4(21a)JA1.</p> <p>Hope this procedure is applicable for any autonomous access point that CISCO Providing.</p> <p>First you need to logging to Access point and go in to SYSTEM SOFTWARE > Software upgrade</p> <p><a href="http://lh4.ggpht.com/-WR4BjK3bmmE/Up1bN6tzhDI/AAAAAAAABBU/LHlgWHJgZRI/s1600-h/Capture%25255B3%25255D.png"><img title="Capture" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="Capture" src="http://lh4.ggpht.com/-PGwlaCgq_bs/Up1bO2X3_qI/AAAAAAAABBc/RC2aeP_dR5s/Capture_thumb%25255B1%25255D.png?imgmax=800" width="426" height="171" /></a></p> <p> </p> <p><a href="http://lh5.ggpht.com/-XcmU9YH2c8I/Up1bPpDp0vI/AAAAAAAABBk/R8HKCzepx2k/s1600-h/A1%25255B3%25255D.png"><img title="A1" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A1" src="http://lh4.ggpht.com/--eignwX0YSw/Up1bQQax7CI/AAAAAAAABBs/3zwfudIE2iI/A1_thumb%25255B1%25255D.png?imgmax=800" width="432" height="159" /></a></p> <p>Then you will have two options. </p> <p>  1. HTTP Upgrade</p> <p> 2. TFTP Upgrade</p> <p>Here I’m using the HTTP upgrade method and I f you have a TFTP Server running on your Local PC, you can go with the second method. </p> <p><a href="http://lh3.ggpht.com/-ppeFgAbCjFY/Up1bQyRySoI/AAAAAAAABB0/EkZieYHfzZ8/s1600-h/A2%25255B3%25255D.png"><img title="A2" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A2" src="http://lh4.ggpht.com/-lBnXFNJM5CU/Up1bR6rD7eI/AAAAAAAABB8/BJHNi723dnc/A2_thumb%25255B1%25255D.png?imgmax=800" width="430" height="176" /></a></p> <p>Select the Downloaded Zip file from Cisco by using the Brows tab and then you can select Upgrade tab.</p> <p>If you  can use a same PC to access the CISCO AP Web console and the downloaded “.tar” (Firmware) file then it will be reduce the time taken to upgrade the firmware.</p> <p><a href="http://lh3.ggpht.com/-bNHplqy3Fn0/Up1bSrX_qxI/AAAAAAAABCE/VXIN2txSTuo/s1600-h/A3%25255B3%25255D.png"><img title="A3" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A3" src="http://lh6.ggpht.com/-Td5SNOmWjoM/Up1bTG1s4uI/AAAAAAAABCM/ZzTxyRf5x8Y/A3_thumb%25255B1%25255D.png?imgmax=800" width="430" height="162" /></a></p> <p>Then you will get the below window. Click ok to continue.</p> <p><a href="http://lh4.ggpht.com/-pGMDZEmrJWA/Up1bT5KjglI/AAAAAAAABCU/yB6PCwJVxi0/s1600-h/A4%25255B3%25255D.png"><img title="A4" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A4" src="http://lh6.ggpht.com/-sEWH4Fo8Lgc/Up1bUV4L7mI/AAAAAAAABCc/fYysxU0N7GE/A4_thumb%25255B1%25255D.png?imgmax=800" width="332" height="287" /></a></p> <p>Before you are doing this, need to disable the pop-up blocker or else as I mentioned you can allow this saying that always allow.</p> <p><a href="http://lh5.ggpht.com/-gNvhV6lPUv4/Up1bVb_aR5I/AAAAAAAABCk/ZlhA5g52EpM/s1600-h/A5%25255B3%25255D.png"><img title="A5" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A5" src="http://lh4.ggpht.com/-XPLorfyqZCI/Up1bV5-f-fI/AAAAAAAABCs/EyYv6QRCMpo/A5_thumb%25255B1%25255D.png?imgmax=800" width="438" height="259" /></a></p> <p>This window will come up and downtime counter will shows the time taken for the total session.</p> <p><a href="http://lh3.ggpht.com/-L3uVPeLkjoA/Up1bWm-XKhI/AAAAAAAABC0/Kafh_LYvptU/s1600-h/A6%25255B3%25255D.png"><img title="A6" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A6" src="http://lh3.ggpht.com/-0VV95OhYaKw/Up1bXDNBmnI/AAAAAAAABC8/vbmvTmVanLI/A6_thumb%25255B1%25255D.png?imgmax=800" width="335" height="376" /></a></p> <p>While its running again it AP will prompt for the User name Password verification.</p> <p><a href="http://lh5.ggpht.com/-y83XKT-03Js/Up1bX_XkizI/AAAAAAAABDE/tZUABs4i6vc/s1600-h/A7%25255B3%25255D.png"><img title="A7" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A7" src="http://lh4.ggpht.com/-6WoS-TYHxU0/Up1bYegRw4I/AAAAAAAABDM/bibE7kgqGiU/A7_thumb%25255B1%25255D.png?imgmax=800" width="346" height="256" /></a></p> <p> </p> <p>Now you are done with the firmware upgrade.</p> <p><a href="http://lh3.ggpht.com/-uy5aGynZd7Y/Up1bZDGBcOI/AAAAAAAABDU/AzIh08buaV8/s1600-h/A8%25255B3%25255D.png"><img title="A8" style="border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px" border="0" alt="A8" src="http://lh4.ggpht.com/-1zynLuqr-0Q/Up1bZlno8iI/AAAAAAAABDc/3JFELuDiSkk/A8_thumb%25255B1%25255D.png?imgmax=800" width="353" height="224" /></a></p> <p>If you need more information about the Cisco IOS Software Release, you can refer this URL.</p> <p><a title="http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps6087/product_bulletin_c25-560118_ps10092_Products_Bulletin.html" href="http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps6087/product_bulletin_c25-560118_ps10092_Products_Bulletin.html">http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps6087/product_bulletin_c25-560118_ps10092_Products_Bulletin.html</a></p> Hemal Ekanayakehttp://www.blogger.com/profile/10548891283696196260noreply@blogger.com0tag:blogger.com,1999:blog-1280294811311150118.post-34132838458629812342012-04-03T07:54:00.003-07:002012-04-03T07:54:46.954-07:00Port Mirroring in CISCO Switch - SPAN<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<span style="mso-no-proof: yes;"><br /><span style="mso-spacerun: yes;"></span></span></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;">Catalyst Switched Port
Analyzer (SPAN) Configuration</span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;">Here I'm try to give some<span style="mso-spacerun: yes;"> </span>instructions for configuration of Port
Mirroring on Cisco Catalyst Switches.</span></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;">In my case I'm try to monitor, <span style="color: red;"><br /></span></span></div>
<div class="MsoNormal">
<span><span style="color: red;"> port 5 (Fe 0/5) </span>– This is the port that I want to
mirror</span></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;"><span style="mso-spacerun: yes;">
</span><span style="color: #00b050;">Port 3 (Fe 0/3) </span>-<span style="mso-spacerun: yes;"> </span>This is the Source port. I'm going to use
Wireshark on this port</span></div>
<div class="MsoNormal">
<br /></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6LNt-vmDmjN69wOEAn9D4gBsrqYPenGuPMW1kzTx9V3iwULvuY16ksm8Rm2DvbwDYuPGVmsAezsA9wCM-hdJr_hifGMvoA6tNeEXoAmZd7QboG2VvxUBc8q243IotE3cQMMoDTU5hHm8/s1600/1.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6LNt-vmDmjN69wOEAn9D4gBsrqYPenGuPMW1kzTx9V3iwULvuY16ksm8Rm2DvbwDYuPGVmsAezsA9wCM-hdJr_hifGMvoA6tNeEXoAmZd7QboG2VvxUBc8q243IotE3cQMMoDTU5hHm8/s400/1.JPG" width="400" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLJQTkbWBTquE2sLgBtKMA0WWZ0rJSO5xlryfumYtrFDd7WCztgkhfmVFUsaJZdRP73p4qwjcmWZK93UCq2riraO8SU4_xXM0-REK63K7HxgU9cPopYj_JJX71v71N4crYQssGmo8kJFQ/s1600/Capture.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;"><br /></span></div>
<div class="MsoNormal">
Now need to execute following command on the switch:</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">01.<span style="font: 7.0pt "Times New Roman";">
</span></span></span>Enter configuration mode:</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
SW1# configure terminal</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">02.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span style="mso-spacerun: yes;"> </span>Create
monitoring session and configure interface Fast Ethernet 0/3 as source port for
that session:</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
SW1(config)# monitor session 1 source interface fastethernet
0/3 both</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">03.<span style="font: 7.0pt "Times New Roman";">
</span></span></span>Configure interface Fast Ethernet 0/5 as
destination port for session 1.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
SW1(config)# monitor session 1 destination interface
fastethernet 0/5</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">04.<span style="font: 7.0pt "Times New Roman";">
</span></span></span>Then check, if everything is configured
correctly:</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
SW1# show monitor session 1</div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6LNt-vmDmjN69wOEAn9D4gBsrqYPenGuPMW1kzTx9V3iwULvuY16ksm8Rm2DvbwDYuPGVmsAezsA9wCM-hdJr_hifGMvoA6tNeEXoAmZd7QboG2VvxUBc8q243IotE3cQMMoDTU5hHm8/s1600/1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><br /></a></div>
<div class="MsoNormal">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLJQTkbWBTquE2sLgBtKMA0WWZ0rJSO5xlryfumYtrFDd7WCztgkhfmVFUsaJZdRP73p4qwjcmWZK93UCq2riraO8SU4_xXM0-REK63K7HxgU9cPopYj_JJX71v71N4crYQssGmo8kJFQ/s1600/Capture.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="178" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLJQTkbWBTquE2sLgBtKMA0WWZ0rJSO5xlryfumYtrFDd7WCztgkhfmVFUsaJZdRP73p4qwjcmWZK93UCq2riraO8SU4_xXM0-REK63K7HxgU9cPopYj_JJX71v71N4crYQssGmo8kJFQ/s400/Capture.JPG" width="400" /></a></div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
<span style="mso-no-proof: yes;"><br /></span></div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
Then connect a PC(with Wireshark
installed) to Port 3 and monitor your PC interface card.</div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
I have found some good CISCO site
about SPAN,</div>
<div class="MsoNormal">
<a href="http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008015c612.shtml">http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008015c612.shtml</a></div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
<br /></div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
And if you need some help on
Wireshark use this site,</div>
<div class="MsoNormal" style="tab-stops: 117.1pt;">
<a href="http://wiki.wireshark.org/CaptureSetup/Ethernet">http://wiki.wireshark.org/CaptureSetup/Ethernet</a>
</div>
</div>Hemal Ekanayakehttp://www.blogger.com/profile/10548891283696196260noreply@blogger.com0tag:blogger.com,1999:blog-1280294811311150118.post-42548098797241803212008-12-04T07:39:00.011-08:002012-03-27T14:09:46.623-07:00How to Recover CISCO Switch PasswordHere I’m using a CISCO 3500 series switch to make this test environment. <div> <p class="MsoNormal">Steps,</p> <p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="mso-spacerun:yes"> </span>Connect the Console cable in to you PC Serial port or use the USB/Serial adaptor and connect using your terminal Software.</p> <p class="MsoNormal">In my case I’m using <b style="mso-bidi-font-weight:normal">putty.</b></p> <p class="MsoListParagraph" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman""> </span></span></span>After that power off the Switch and while hold down the Mode button (Bottom left corner) and power on the switch. After few minutes the Light on PORT 1 will goes out. Then release the Mode button.</p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxhtQNBcQd_UsKB0RQH1qrf5m4NHiyYgoDEHvT349_vc1Qfl4hcLySMn8JL61D-FdwAu55nTO33OVAJju4FFclCFCixqjWYx4iVSSJX3amzdqcvC9UApfo4cR0v12-XD5S-c-OI2OShNw/s1600/1.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 185px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxhtQNBcQd_UsKB0RQH1qrf5m4NHiyYgoDEHvT349_vc1Qfl4hcLySMn8JL61D-FdwAu55nTO33OVAJju4FFclCFCixqjWYx4iVSSJX3amzdqcvC9UApfo4cR0v12-XD5S-c-OI2OShNw/s400/1.jpg" alt="" id="BLOGGER_PHOTO_ID_5724685224234537794" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoListParagraph" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman""> </span></span></span>Then you can see this window in the terminal window. Give a command “<b style="mso-bidi-font-weight:normal">Flash_init</b>”</p><p class="MsoListParagraph" style="text-indent: -0.25in;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUuhTcxGtTSiFbUUWIfQ_MO70Okaidltt5sqab6UimjmoEW0fsyMMg9Vl2eReOd1x8xHq0mQu3edFhpt0dHJRr7LjfJij-vR8gxpJNCcC6FOkp6dywjtRFhLVQW2rBKwhIVHsvLNqnTaM/s1600/2.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 260px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUuhTcxGtTSiFbUUWIfQ_MO70Okaidltt5sqab6UimjmoEW0fsyMMg9Vl2eReOd1x8xHq0mQu3edFhpt0dHJRr7LjfJij-vR8gxpJNCcC6FOkp6dywjtRFhLVQW2rBKwhIVHsvLNqnTaM/s400/2.jpg" alt="" id="BLOGGER_PHOTO_ID_5724685566959319346" border="0" /></a></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><br /></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoListParagraph" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman""> </span></span></span>Then you can see the directory by using “<b style="mso-bidi-font-weight:normal">dir flash:</b>” command</p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUnOPxZen_1SgCLXk9wVzv6_O8ce_ybHQZSZQe8MwtqSJu5y_5zjEThHuD7z6p-7MRmF_yVEidADWyVZW5Uepkmif1wzJ__3leFx_M74c3w9gqEvsWEpktaC3XbA8y4ZJAMnoXhgy6LTo/s1600/3.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 252px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUnOPxZen_1SgCLXk9wVzv6_O8ce_ybHQZSZQe8MwtqSJu5y_5zjEThHuD7z6p-7MRmF_yVEidADWyVZW5Uepkmif1wzJ__3leFx_M74c3w9gqEvsWEpktaC3XbA8y4ZJAMnoXhgy6LTo/s400/3.jpg" alt="" id="BLOGGER_PHOTO_ID_5724685798001556178" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoListParagraphCxSpFirst" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman""> </span></span></span>Give a command<span style="mso-spacerun:yes"> </span>“<b style="mso-bidi-font-weight:normal">Load_helper</b>”</p> <p class="MsoListParagraphCxSpMiddle" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman""> </span></span></span>Rename the Config.text file in to Config.old by using this command </p> <p class="MsoListParagraphCxSpMiddle"><b style="mso-bidi-font-weight:normal">“Rename flash:config.text flash:config.old”</b></p> <p class="MsoListParagraphCxSpLast" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">7.<span style="font:7.0pt "Times New Roman""> </span></span></span>After that give a Command “<b style="mso-bidi-font-weight: normal">Boot</b>”.<br /></p><p class="MsoListParagraphCxSpLast" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEin1n_5nwmAP1gPsD5EunZNG2mBgy31nTfLtkcYJcNC0UfSd-4htTuTYunGUWQo3r7Ran-Bs_27bUuRGW4W0Z5VM-Hg1TVngxr08qZ5jcuaulK7KEuZ9W2xqg9YOC1wsxBB5el5QaRcyvA/s1600/4.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 253px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEin1n_5nwmAP1gPsD5EunZNG2mBgy31nTfLtkcYJcNC0UfSd-4htTuTYunGUWQo3r7Ran-Bs_27bUuRGW4W0Z5VM-Hg1TVngxr08qZ5jcuaulK7KEuZ9W2xqg9YOC1wsxBB5el5QaRcyvA/s400/4.jpg" alt="" id="BLOGGER_PHOTO_ID_5724685977063964658" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoNormal">Then switch will restart</p><p class="MsoNormal"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtuaVl-JawI0tRmTYf2LxntKD6xoTOMguLRHzDCSz5B9V8BPcNBalKpH5dQ3Wc4WLM0LeQktYP5EcfpPCvF5blK44Lx0o9MkGkmKYmdz88uktGicEFV51ByyFyfNvGPb4pKeM64Vam70U/s1600/6.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 252px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtuaVl-JawI0tRmTYf2LxntKD6xoTOMguLRHzDCSz5B9V8BPcNBalKpH5dQ3Wc4WLM0LeQktYP5EcfpPCvF5blK44Lx0o9MkGkmKYmdz88uktGicEFV51ByyFyfNvGPb4pKeM64Vam70U/s400/6.jpg" alt="" id="BLOGGER_PHOTO_ID_5724686138871500178" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoListParagraph" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">8.<span style="font:7.0pt "Times New Roman""> </span></span></span>Then give “<b style="mso-bidi-font-weight:normal">enable</b>” command to go in to user EXEC level</p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXlJfS_uGyqaj9pTaD9g4CqRK0jHhFD2kHOmSpKyRG9rE-bVxw7jp3oOTRCxi-5MeGQ6IYwAYsHX-vLlcoJVyRh4DGKWf6a0osJFmxmOyT38IFV3nXhcqS4jw06pBl2PdS0OD2vO3HiRw/s1600/6.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 252px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXlJfS_uGyqaj9pTaD9g4CqRK0jHhFD2kHOmSpKyRG9rE-bVxw7jp3oOTRCxi-5MeGQ6IYwAYsHX-vLlcoJVyRh4DGKWf6a0osJFmxmOyT38IFV3nXhcqS4jw06pBl2PdS0OD2vO3HiRw/s400/6.jpg" alt="" id="BLOGGER_PHOTO_ID_5724686424139348738" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoListParagraphCxSpFirst" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">9.<span style="font:7.0pt "Times New Roman""> </span></span></span>Then Copy the Config.old file in to running-config by using</p> <p class="MsoListParagraphCxSpLast"><span style="mso-spacerun:yes"> </span>“<b style="mso-bidi-font-weight:normal">copy flash:config.old system:running-config.old</b>”</p><p class="MsoListParagraphCxSpLast"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB6W2JZe-JAh19eC681g6fx4K-KfSVWq0-8PVDAo8Jyags3vdMVzLEU8YD-98vd0sfNgI_QkvPaQ04GsSbZT_tymv3tvFJisPqITYqppPZ7lFx3DkSb2jJke7_izb1o1r_SHM-svbfUPg/s1600/7.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 104px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB6W2JZe-JAh19eC681g6fx4K-KfSVWq0-8PVDAo8Jyags3vdMVzLEU8YD-98vd0sfNgI_QkvPaQ04GsSbZT_tymv3tvFJisPqITYqppPZ7lFx3DkSb2jJke7_izb1o1r_SHM-svbfUPg/s400/7.jpg" alt="" id="BLOGGER_PHOTO_ID_5724686559535167122" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoNormal"> </p> <p class="MsoListParagraphCxSpFirst" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">10.<span style="font:7.0pt "Times New Roman""> </span></span></span>Go in to Configuration mode. use “<b style="mso-bidi-font-weight:normal">Configuration terminal</b>” command. If you want you can change the Switch name. use command “<b style="mso-bidi-font-weight: normal">hostname</b>”</p> <p class="MsoListParagraphCxSpLast" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">11.<span style="font:7.0pt "Times New Roman""> </span></span></span>Then disable the Secret password by using “<b style="mso-bidi-font-weight:normal">no enable Secret</b>”</p><p class="MsoListParagraphCxSpLast" style="text-indent: -0.25in;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCaIdc6Wiie16-79PYqlS5Il9uAyCchqD6a6a2ofpt7VRTUg7ioun_50lfK1q-EiNg58ORIyNGTyRWXpZhbLcRYbCLQjgSino2hD_t2d3zGiwLDvZWO2RYJiPAYra-c3YSXNyAVEw2z3o/s1600/8.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 251px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCaIdc6Wiie16-79PYqlS5Il9uAyCchqD6a6a2ofpt7VRTUg7ioun_50lfK1q-EiNg58ORIyNGTyRWXpZhbLcRYbCLQjgSino2hD_t2d3zGiwLDvZWO2RYJiPAYra-c3YSXNyAVEw2z3o/s400/8.jpg" alt="" id="BLOGGER_PHOTO_ID_5724686705784528674" border="0" /></a></p><p class="MsoListParagraphCxSpLast" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><br /></p> <p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left: 0.25in;"><br /></p><p class="MsoNormal" style="margin-left:.25in"><br /></p> <p class="MsoNormal"> </p> <p class="MsoListParagraph" style="text-indent: -0.25in;"><span style="mso-bidi-mso-bidi-theme-font:minor-latin;font-family:Calibri;" ><span style="mso-list:Ignore">12.<span style="font:7.0pt "Times New Roman""> </span></span></span>Save the new configuration in to running- config. Use “<b style="mso-bidi-font-weight:normal">copy running-config startup-config</b>”</p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhITpjdgqbKgtWmiMRfi8YwTB43TDxLSU5dv2rDgaNddyYWq06nbhiTbwscCOrN8KJLK2IeBoQErQqkb4FJ5YoMvU88HSn6lyg22gz6PNpXwMlKEDfYhawKqj8YR5Nm39NexASxPb1Gyrc/s1600/9.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 400px; height: 253px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhITpjdgqbKgtWmiMRfi8YwTB43TDxLSU5dv2rDgaNddyYWq06nbhiTbwscCOrN8KJLK2IeBoQErQqkb4FJ5YoMvU88HSn6lyg22gz6PNpXwMlKEDfYhawKqj8YR5Nm39NexASxPb1Gyrc/s400/9.jpg" alt="" id="BLOGGER_PHOTO_ID_5724686857289158770" border="0" /></a></p> <p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p><p class="MsoNormal"><br /></p> <p class="MsoNormal"> </p> <p class="MsoNormal">Congratulations now you can log in to your switch without a password. But make sure to give a new password and keep it in a place that you can find.</p> </div>Hemal Ekanayakehttp://www.blogger.com/profile/10548891283696196260noreply@blogger.com0