LAN, Switching and Routing

The Cisco LAN, Routing and Switching Technical Support Forum gives you access to participate in tech discussions and go through documents on Cisco LAN Switch, LAN Router, VLAN, Cisco Catalyst, Catalyst 6500, Catalyst 3550, Jabber Client, Nexus 7000, and other related issues. You can browse through latest tech topics popular among the community.

 

Provide answers to questions in this community that are awaiting a correct answer.

we have IPSEC setup between one of our Main office (A) and  another 3rd party office (C). i have redistributed 120.30.20.11 which is an destination...
16 hours 40 min ago
please can someone help me about the technical specification below: - the max MAC adress table - max IPV4 route - max IPV6 route - max IPV4 multic...
17 hours 6 min ago
please can someone help me about the technical specification below: - the max MAC adress table - max IPV4 route - max IPV6 route - max IPV4 multic...
17 hours 6 min ago
please can someone help me about the technical specification below: - the max MAC adress table - max IPV4 route - max IPV6 route - max IPV4 multic...
17 hours 6 min ago
I have 2 4503 switches configured in VSS that was working normally. I need to update license to enterprise so it supports BGP. After I enabled lice...
17 hours 15 min ago
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discussion IP Multicast Routing in 3-tier Traditional Deisgn
Last Reply 1 hour 53 min ago.
0 0 0 0 umer zubairi
discussion replace module of Catalyst 6509
Last Reply 6 min 30 sec ago.
0 0 0 1 Reza Sharifi
discussion Switchport down, can't get it active
Last Reply 5 hours 21 min ago.
0 0 0 7 Leo Laohoo
discussion Issue seems to be related to Cisco Bug: CSCsg35506 - EtherCahnnel flaping because of a port
Last Reply 7 hours 28 min ago.
0 0 0 3 Leo Laohoo
discussion 2811 IOS availability
Last Reply 2 hours 35 sec ago.
0 0 0 1 Karsten Iwen
discussion Vlan mac address is flaping between cisco and brocade switch
Last Reply 13 hours 25 min ago.
0 0 0 0 kedgreenday
discussion SG300 Intervlan routing not working
Last Reply 13 hours 32 min ago.
0 0 0 0 bipin.varghese
discussion LACP between Cisco chassis 7613 & Cisco 3650G
Last Reply 1 hour 11 min ago.
2 0 0 3 ahmedshoaib
discussion 2851 Router cannot ping google or any address returns IPV6 address
Last Reply 15 hours 50 min ago.
0 0 0 0 JosephVoldeck
discussion Issues with site-to-site VPN between ASA and Router
Last Reply 1 hour 48 min ago.
4 0 0 1 Karsten Iwen
discussion Clearing MAC Address from Table to Resolve Network Issues
Last Reply 17 hours 10 min ago.
0 0 0 0 cminner88
discussion Why spanning-tree have to be disabled on Cisco Flex links
Last Reply 14 hours 25 min ago.
0 0 0 2 Liang Dong Chen
discussion Adding a new VDC on N7Ks
Last Reply 10 hours 19 min ago.
0 0 0 1 ahmedshoaib
discussion Monitoring Active Calls via SNMP on Cisco 4400 series gateways
Last Reply 18 hours 12 min ago.
0 0 0 0 greg.massaccesi
discussion Migrating PVST to MST on 600+ switches?
Last Reply 18 hours 58 min ago.
0 0 0 0 uwbitservices
discussion PS on Cisco 3750
Last Reply 18 hours 13 min ago.
0 0 0 1 Iulian Vaideanu
discussion Advice on Purchasing L3 Switches
Last Reply 5 hours 15 min ago.
5 0 0 4 Leo Laohoo
discussion Switch connection
Last Reply 21 hours 11 min ago.
0 0 0 0 [email protected]
discussion Interface errors
Last Reply 21 hours 36 min ago.
0 0 5 1 zdesignstudio
discussion Disable MAC flapping messages
Last Reply 22 hours 30 min ago.
0 0 0 0 Aurelio Llorente
discussion Inter VLAN routing is OK by having problem with the internet connectivity in my SG300 network
Last Reply 21 hours 1 min ago.
0 0 0 2 paul driver
discussion EIGRP Tunnel up/down
Last Reply 1 day 22 min ago.
0 0 0 1 pawan.raut
discussion 2960x 24 port LAN base switching capacity
Last Reply 2 hours 30 min ago.
0 0 0 1 adnan khan
discussion High CPU caused by pdsd, iosd processes (3850 switches)
Last Reply 1 day 3 hours ago.
0 0 0 1 Leo Laohoo
discussion Dynamic/Static Nat
Last Reply 23 hours 42 min ago.
0 0 0 1 Luke Oxley

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