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Forum Posts
Tenable says Switches and WLCs are vulnerable for CVE-2004-2761.SSL Certificate Signed Using Weak Hashing Algorithm.Please help with fix
Hi, we have nexus in one side and C at another side,, and now try to provision one 10gbps point-to-point circuit, now the link is up, but when do ping test, found every 12 packets drop 1 packet. mtu is set to 15xx at both ends. can anyone help advis...
Hello All, WS-C3850-12S-E switch is not able to boot its system image ,When powered on the it shows the below message "Booting...(use DDR clock 667 MHz)*** TLB (Load/Fetch) Exception ***PC = 0x00000000 00000000SP = 0xffffffff 80096894Cause Reg =...
Is it possible or are there any issues with connect an a feed and a b feed to the 3kw dc power supply. In the documentation it recommends powering the first 4 from a and the last 4 from b. I also saw that in the 4k power supply it uses and a and a b ...
Hi Dear Cisco Community, The best of Internet Support.. Let me open this new thread to request help on a problem we are currently having. We have a Catalyst 9300-48P Switch that we have restarted with the small surprise that now its IOS does not boot...
Hi all, Fundimental question. Apologies if it is silly. How do you normally manage nexus switches? We have a secondary dc with a single Nexus 9300 and wondering how I should deal with the management port. Should I ignore it and just perform all manag...
Hello together,I've got some Catalyst 9200 (IOS XE 17.06.04) here that are configured to send syslog messages to an external syslog server.So far, it works fine. The 9200 are sending their syslog messages to the server. For example, when a local user...
Hi, there,I've a couple of WS-C4507R+E switches (Version 03.08.07.E.152-4.E7) with installed standby supervisor engine.Verifying the ios-xe image on the primary supervisor engine works, but verifying and image on the slavebootflash doesn't work:HOSTN...
Hi GuysWe want to enable DHCP snooping on one of our sites, we have a core switch and lots of edge plugged into this, the DHCP server is over the WAN, do we just need to set the port that the WAN router plugs into and the uplinks to the switches as t...
Hi community, We are running a couple of 3650 with software version: 16.6.5. This morning I've enabled DHCP snooping on some of those switches, DHCP snooping was running fine and the database was filled with entries, after a few hours the switch was ...
Hey Fellows!I'm not gonna lie but the Cisco Documentation of LDAP is quite bad and not useful. (And I'm still only in NX-OS I don't think catalyst is better)I have successfully set an Authentication using this site:https://ccierants.blogspot.com/2013...
We currently use FlexLink in our systems. However, we recently found out that newer switch hardware will not support FlexLink, so we are exploring the use of FlexLink+. In a test environment, with FlexLink+ configured, we see momentary comm loss on o...
Hello everyone..I want to add more 1 segment in 1 VLAN because it is to differentiate users on different floors.For example :for VLAN 100, there are 2 segments IP or 2 IP address for gateway , they are..192.168.101.1192.168.102.1 (as secondary IP or...
Resolved! IOS upgrade on WS-C2950-24 running SI
I have 2 WS-C2950-24 switches which are using the Standard image IOS release(c2950-i6q4l2-mz.121-22.EA2.bin).I need to enable layer 3 QOS on these switches, is it possible to upgrade to the Enhanced Image IOS (12.1.22-EA9(ED),or do I need to replace ...
Hi, thereI've a couple of WS-C4507R+E switches (Version 03.08.07.E.152-4.E7) with installed standby supervisor engine.After attaching to the standby supervisor engine ("attach module 4", "session module 4") I'm getting cli authorization fails if I tr...
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