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Forum Posts
Resolved! LACP interoperability with nexus 9000v
Hi, I'm facing a issue in lacp with nexus 9000v and vIOSLACP doesn't work at all.What I observe is that Nexus use destination mac address 00:01:02:03:04:05 for LACP packet.On the RFC, this should be 01:80:c2:00:00:02 ( and that's the address used by ...
Resolved! DNS-based routing on static routes
Hello, I was wondering, if it is considered at any time soon or at some point in future to introduce DNS-based routing on Cisco Routers/ASAs? Instead of using a destination's IP Address, is it possible to use its DNS entry on a static route? [Similar...
Resolved! newbie fiber question
I've only dealt with fiber in labs, never on the job, so I'm not a newbie in general, but a newbie to fiber. I'm hoping I'm just making some easily correctable rookie mistake here Our LAN has two network closets, about 75 meters apart. We've used...
Resolved! Which Switch required
Hello Experts, I need to build a small infrastructure for around 100 employees. so decided to have edge switch 9300 series with mGig/PoE to connect servers and APs. Shall I also build a stack of 9300 series SWs in core or it supports only layer 2 ?...
Resolved! Cisco 3750G TCAM Utilization
Hello experts,We are having strange behavior on one of our networks, it seems related to mac address table and ip arp table but we are not sure yet. This is a stack of 3750G, they have the L3 routing and the stp root role. The stack is composed by th...
Dears, i need help in tracing out what caused the router 2821 to hang, attached is two logs collected one before the router hanged was taken on 21feb2018, second , after hanging , log taken after restart. is any one can check and let me what caused...
So we just got a 9300 and are trying to get the web gui up and running. I enabled the http server, assigned an IP address to the management interface and created an admin user with priviledge 15. I can log on the first time after an http server ...
Resolved! DCHP on Cisco Router 1812
I have a Cisco Router1812. This router has fe0,fe1 and f2-f9 as switcher ports. I want to get to configure this router as dhcp server for client connected on f2-f9 port. I am a newbie and I certainly make a mistake. there is someone who can help me? ...
Resolved! Cisco 2851 Router Rebooted Automatically
Hi Guys, routers is having strange issue, it reboots itself. please help to solve the issue. here below crash info ------------------ show version ------------------ Cisco IOS Software, 2800 Software (C2800NM-ADVSECURITYK9-M), Version 15.1(3)...
Hi All, I'm looking for some clarification on a very strange issue we're seeing with a Cisco SG300 POE switch at a customer site. Quick overview: Fortigate FW at site provide internet connection and a VPN for Management traffic (VLAN 500 172.20.1...
Hii Team,I really don't understand what is the difference between CEF table and routing table as both are showing the same next-hop-address.Please helpRegards,Sanjib Pradhan
Hi Cisco techs, Please let me know if posted in wrong section How does a computer connected to a Cisco ip phone (via 10/100 port) in a data vlan gets its ip address for router on a stick scenario and how does the router "know" who to send the packe...
Hi Team, I have three WS-C2960X-48TS-L Switches in stack where observing all access port which is connected to end system are getting freequent flapp. IOS running:-“ c2960x-universalk9-mz.152-2.E6.bin" + No layer 1 issue.cabling everything prop...
Resolved! SG550XG-24T-K9
Qucik Question... Does the SG550XG-24T-K9 support SVIs? (Layer 3 Vlans) Searched but couldn't find anything so this is my last stop
Hi all, in two different scenarios 1. if there is a layer 2 switch in between two routers 2. if the 2 routers are directly connected in both the cases the ARP is only showing the MAC address of the router interface, HOW CAN I FIND OUT remotely?,...
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