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.

 

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ipdirected-bcast.jpg Hello Is it possible in the above setup, to let Server A in site A send a directed broadcast...
1 hour 18 min ago
Hello, I need some advice and, if possible, links to resources i can use to implement this. Thanks in advance I want to create a hotspot for a netw...
2 hours 11 min ago
Hi, I am trying to configure option 42 on a Cisco SG300 switch, NTP option for shoretel phones. When I enter the command: 'option 42 ip 192.168.3...
2 hours 36 min ago
Hello Folks, I faced recently an issue where there is a vlan 40 with ip address 172.16.0.0/23 and int vlan 40 is 172.16.1.1/23.There is also a fir...
2 hours 53 min ago
we have three router R0, R1, R2 connect together, R0 and R1 both use G0/0, R2 and R3 both use G0/1. all the interface are up, but we can't ping the...
3 hours 5 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6724 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Nexus 9k ospfv3 address family ipv4
Last Reply 3 min 21 sec ago.
0 0 0 0 mark.cronin
discussion ip directed-broadcast over GRE?
Last Reply 29 min 36 sec ago.
10 0 0 2 Richard Burts
discussion Route Filtering and Redistribution in OSPF in Nexus 7K
Last Reply 32 min 25 sec ago.
0 0 0 0 venkateshwarlu.t
discussion EIGRP - switch acting like stub, but is not stub.
Last Reply 44 min 10 sec ago.
40 0 0 11 Richard Burts
discussion DMVPN - configure QoS between Spoke and Hub
Last Reply 49 min 27 sec ago.
25 0 0 6 Tim Y
discussion Finding an issue inside the same vlan
Last Reply 1 hour 6 min ago.
12 0 5 4 glen.grant
discussion 3750X/3850 Microcode Updates
Last Reply 1 hour 13 min ago.
1 0 0 1 glen.grant
discussion 2 Lan 2 Wan..... problem.
Last Reply 1 hour 14 min ago.
78 0 0 13 mark malone
discussion Packet size setting
Last Reply 2 hours 19 min ago.
0 0 0 0 Tareq Emad Al Asfoor
discussion Replacing VG224 in Cisco Unified Call Manager (CUCM)
Last Reply 2 hours 54 min ago.
43 0 5 10 Yahya Lababidi
discussion How do i make Windows DHCP work with VLANs
Last Reply 3 hours 14 min ago.
18891 0 5 8 balmathhaji
discussion interface Output drops. Lan users complain about latency.
Last Reply 4 hours 33 min ago.
72 0 5 17 mark malone
discussion No DHCP crossing over trunk
Last Reply 4 hours 49 min ago.
11 0 0 7 mark malone
discussion Cisco 2960x SVI do not get DHCP
Last Reply 5 hours 2 min ago.
11 0 0 2 caromay02
discussion Relatime Power Consumption Cisco Switch WS-C3850-48T
Last Reply 7 hours 11 min ago.
7 0 0 2 ositechintl
discussion Strange Network Behaviour
Last Reply 7 hours 32 min ago.
2 0 0 1 mark malone
discussion Creating a WiFi hotspot
Last Reply 7 hours 40 min ago.
0 0 0 0 buzzhani1
discussion Cisco SG300 - Option 42 not working
Last Reply 8 hours 5 min ago.
0 0 0 0 jimmyping
discussion How to switch traffic from one ISP to other ISP automatically.
Last Reply 8 hours 29 min ago.
56 1 0 12 mark malone
discussion C6800-16P10G-XL Throughput
Last Reply 8 hours 32 min ago.
20 0 0 4 Iulian Vaideanu
discussion packet tracer problem with three connected router
Last Reply 8 hours 34 min ago.
0 0 0 0 jolinchewjb
discussion Access switches can ping endpoint, core cannot.
Last Reply 8 hours 41 min ago.
54 0 0 9 Iulian Vaideanu
discussion Stacking Switch
Last Reply 8 hours 42 min ago.
197 0 5 45 mark malone
discussion L3 switch modular
Last Reply 8 hours 59 min ago.
0 0 0 0 Mohamed Sadek B...
discussion Interface Bonding on 2911
Last Reply 9 hours 4 min ago.
9 0 5 3 michaelnilsson1
Filter Results
Subject Views Rating Comments Author
Nexus - vPC Recommendations
Last Reply 1 day 1 hour ago.
28405
5.0
6 pnagpal
Troubleshooting tips for 3750X Stack power feature
Last Reply 6 days 15 hours ago.
19798
4.3
6 pnagpal
Webcast Slides: Cisco Catalyst 2960-X and 2960-XR Series Switches Overview, Configuration,
Last Reply 1 week 2 days ago.
115
5.0
0 roor
Webcast FAQs: Catalyst 2960X & 2960XR Switches Overview, Configuration and Troubleshooting
Last Reply 1 week 2 days ago.
0
0.0
0 roor
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 week 4 days ago.
142365
4.7
13 Ganesh Hariharan
DHCP listener
Last Reply 1 week 4 days ago.
0
0.0
0 netbeginner
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 1 week 5 days ago.
16063
5.0
18 Furose M
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 1 week 5 days ago.
61184
5.0
15 SunilKhanna
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 week 6 days ago.
101216
5.0
93 Leo Laohoo
virtual switching system (vss) español
Last Reply 2 weeks 2 days ago.
4
0.0
0 jmp780718
CCNP Switching Notes Español
Last Reply 2 weeks 2 days ago.
5
0.0
0 jmp780718
Easy Traffic Generator (Works with GNS3)
Last Reply 2 weeks 6 days ago.
0
0.0
0 Carlos Villagran
NXOS Log Finder Tool for Nexus Switches
Last Reply 2 weeks 6 days ago.
53
4.5
0 aeguiart
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 3 weeks 23 hours ago.
315060
5.0
46 plumbis
Changing a Switch Member Number in a 3850 Stack
Last Reply 3 weeks 2 days ago.
0
0.0
0 Carlos Villagran
Catalyst 4500 CPU Packet Buffer Parser
Last Reply 3 weeks 5 days ago.
3
0.0
0 aeguiart
Cisco CatOS vs. IOS Commands
Last Reply 4 weeks 1 day ago.
1
0.0
0 Daniel Vieceli
Route to Host Stuck on Switch
Last Reply 1 month 1 day ago.
3403
5.0
5 Adrian Martinez
What’s New on Cisco Catalyst 6500 Series? - FAQ from Live Webcast
Last Reply 1 month 1 week ago.
306
0.0
1 ashirkar
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 1 month 1 week ago.
2535
5.0
4 Luis Villanueva Brito
Recognize the purpose & functions of various network devices:Router, Switch, Hub & Bridge.
Last Reply 1 month 2 weeks ago.
40
0.0
0 Gerald C. Paciello
What is the difference between an IP base image and an IP services image
Last Reply 1 month 2 weeks ago.
214153
5.0
14 tahirshabbir
3850: Understanding interface configuration on NM modules
Last Reply 1 month 2 weeks ago.
40120
5.0
16 Richard Primm
LICENSING on 2900/3500/3700
Last Reply 1 month 2 weeks ago.
23209
0.0
5 ranraju
Does cisco 2921 ip base supports nat and static route ....can any one please advise
Last Reply 2 months 1 week ago.
20
0.0
3 mohdayaz1981
Filter Results
Subject Views Rating Comments Author
blog SWITCH configuration
Last Reply 3 weeks 2 days ago.
19
0.0
0 julius78_baclaan1
blog IPv6 for future CCNAs (+) – Final Part.
Last Reply 4 weeks 1 day ago.
141
0.0
0 Gerald C. Paciello
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 1 month 22 hours ago.
9
0.0
0
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 1 month 22 hours ago.
4
0.0
0
blog Loading an IOS on a switch via Xmodem
Last Reply 1 month 3 days ago.
79370
5.0
18 Aninda Chatterjee
blog How would a multicast be delivered with incongruent IP/MAC addressing?
Last Reply 1 month 6 days ago.
240
5.0
4 Peter Paluch
blog IPv6 for future CCNAs – Part II
Last Reply 1 month 1 week ago.
235
5.0
0 Gerald C. Paciello
blog IPv6 for future CCNAs – Part I
Last Reply 1 month 1 week ago.
352
4.0
1 Gerald C. Paciello
blog Spanning Tree Protocol, from a feature CCNA´s Perspective, by Gerald C. Paciello
Last Reply 1 month 3 weeks ago.
921
5.0
0 Gerald C. Paciello
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 5 months 3 weeks ago.
28660
4.7
13 Akula Jyoti Lakshmi
blog Collector Security
Last Reply 6 months 2 weeks ago.
27
0.0
0 marobbs
blog Who Should Attend The Kickoff Meeting?
Last Reply 6 months 3 weeks ago.
58
0.0
0 marobbs
blog Network Optimization: The 90-Day Plan
Last Reply 7 months 17 hours ago.
76
0.0
0 marobbs
blog Prepare for the Collector
Last Reply 7 months 2 weeks ago.
61
0.0
0 marobbs
blog Expert Insights: Network Optimization
Last Reply 7 months 2 weeks ago.
61
0.0
0 marobbs
blog Network Compliance Analysis
Last Reply 7 months 2 weeks ago.
57
0.0
0 marobbs
blog Three Tips for a Successful Review Period
Last Reply 7 months 2 weeks ago.
53
0.0
0 marobbs
blog Nexus 7000 ACL logging (OAL)
Last Reply 7 months 3 weeks ago.
19876
5.0
8 Robert Taylor
blog Active /Active Internet Load balancing with High availability ( AS Prepend Path)
Last Reply 8 months 1 day ago.
270
5.0
0 Ganesh Hariharan
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 10 months 4 weeks ago.
30029
5.0
1 Shashank Singh
blog License Activation on 4500
Last Reply 1 year 7 months ago.
1147
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 7 months ago.
7969
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 10 months ago.
3373
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 10 months ago.
24928
5.0
3 ajaju
blog Configuring a frame-relay switch
Last Reply 2 years 1 week ago.
8842
5.0
7 Aninda Chatterjee
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