IOS Tricks with TCLs

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Parser Find the subcommands under a specific command such as ‘Clear’ that contain “call” keyword. Example: clear call voice … Router# show parser dump exec | inc clear .*[a-z]+.*call 1 clear controller call-counters timeslots 1 clear controller call-counters timeslots 1 clear controller call-counters timeslots 1 clear controller call-counters timeslots 1 clear controller call-counters timeslots 1 clear controller call-counters timeslots 1 clear controller call-counters 1 clear controller call-counters system-hwm 1 clear controller call-counters all 1 clear call voice causecode long-dur-call 1 clear call voice causecode calling-number 1 clear call voice causecode called-number 1 clear…

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UCS- Invalid Keyring certificate Alert

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Cisco UCS  Error # default Keyring’s certificate is invalid, reason: expired. ————————————————————————— FI-B# show fault 252396 detail Fault Instance Severity: Major Code: F0909 Last Transition Time: 2015-11-20T11:26:41.156 ID: 252396 Status: None Description: default Keyring’s certificate is invalid, reason: expired. Affected Object: sys/pki-ext/keyring-default Name: Pki Key Ring Status Cause: Invalid Keyring Certificate Type: Security Acknowledged: No Occurrences: 1 Creation Time: 2015-11-20T11:26:41.156 Original Severity: Major Previous Severity: Major Highest Severity: Major —————————————————————————-   We just need to…

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IOS: ROMMON on the C6500/Sup720 – Sup crashed

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IOS: ROMMON on the C6500/Sup720 Recently, one of my Supervisor 720 goes into a permanent reboot cycle. I was able to break it into ROMMON mode, but I couldn’t get it to ‘stick’ the boot settings. Finally…. Finally, one of the other guys came and looked over my shoulder and pointed out that I was making two mistakes. Here is the correct syntax: rommmon 2 > BOOT=bootdisk:s72033-advipservicesk9_wan-vz.122-18.SXF14.bin rommon 3 > set PS1=rommon ! > LOG_PREFIX_VERSION=1 SLOTCACHE=cards; ACL_DENY=0…

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show fabric-interconnect inventory

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show fabric-interconnect inventory To display fabric interconnect hardware information, use the show fabric-interconnect inventory command. showfabric-interconnectinventory [ id { a | b } ] [expand] [detail] Examples This example shows how to display a list of fabric interconnect hardware: switch-A# show fabric-interconnect inventory ID PID Vendor Serial (SN) HW Revision Total Memory (MB) ——– ————— —————– ———– ———– —————– A N10-S6100 Cisco Systems, In SSI12480266 0 3549 B N10-S6100 Cisco Systems, In SSI12520C81 0 3549…

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error ssl_error_weak_server_ephemeral_dh_key

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Firefox Error/Bug ” error ssl_error_weak_server_ephemeral_dh_key ” Solution : Note that users with the current and older Firefox releases can toggle these prefs to false on the about:config page to disable the cipher suites that are involved with the Logjam vulnerability. security.ssl3.dhe_rsa_aes_128_sha security.ssl3.dhe_rsa_aes_256_sha Bug 1138554 – NSS accepts export-length DHE keys with regular DHE cipher suites Logjam: How Diffie-Hellman Fails in Practice: https://weakdh.org/

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Cisco Bug: CSCur40004 – Need to support Multicast Music on Hold for Jabber clients

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Last Modified https://tools.cisco.com/bugsearch/bug/CSCur40004/?referring_site=bugquickviewclick Aug 21, 2015 Product Cisco Jabber for Windows Known Affected Releases 10.0(0) 10.5(2) 10.6(1) 11.0 9.0(6) 9.1(5) 9.2(7) 9.3(0) 9.6(3) 9.7(5) Description (partial) Symptom: Jabber clients do not support Multi cast MOH (MMOH) Conditions: MMOH is setup on the MRGLs used by Jabber Workaround: Use Unicast MOH for Jabber clients. Further Problem Description: This is an enhancement request.

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CUCM Mixed Mode With Tokenless CTLs

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CUCM Mixed Mode With Tokenless CTLs move phones registered to the old cluster to instead register to the new cluster. Download the CallManager.pem from new cluster pub and upload that cert as phone-trust to the old cluster. This will enable the old cluster TVS to have TVS-aware phones trust     the    new cluster.     When the phone is told (say, via change in DHCP option 150 value) to register to the new cluster, it will fail…

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Error Update failed. Java.sql.SQLException: Memory allocation failure during query processing

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Problem Description:   The customer was not able to change device pool in the sip trunk. it was giving error Update failed. Java.sql.SQLException: Memory allocation failure during query processing. Troubleshooting Performed Collected call manager traces, Informix logs and checked the rhosts, sqlhosts in the unified reporting page of the call manager. Rhosts and sqlhosts were fine. Checked the db replication of the customer it was fine. Suggested customer to restart A Cisco DB service of…

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Installing VNC-Server

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yum check-update yum update yum groupinstall “GNOME Desktop” unlink /etc/systemd/system/default.target ln -sf /lib/systemd/system/graphical.target /etc/systemd/system/default.target Reboot I assume you have either kvm, or any other way to access console. You need to see Gnome GUI on the console  after the reboot yum install tigervnc-server xorg-x11-fonts-Type1 –y  useradd pirat9 passwd pirat9  cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service Edit /etc/systemd/system/vncserver@:1.service and replace string <USER> with pirat9 systemctl daemon-reload  su – pirat9 As user pirat9 run “vncpasswd” and set vNC server password for user pirat9.  systemctl start vncserver@:1.service systemctl enable…

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CUBE to Exchange 2013 Unified Messaging Interoperability

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CUBE to Exchange 2013 Unified Messaging Interoperability  Original Post # http://voipnorm.blogspot.com/ As most of you know when Microsoft moved to Exchange 2013 their architecture changed quite a bit. They introduced the Client Access Server as a new role for Unified Messaging and disbanded the UM role altogether putting the processes that ran on the UM server to the Mailbox Server role. This isn’t a big deal but what happens during an initial call setup is…

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