Cisco Switching/Routing :: How Many C3K-PWR-750WAC Units In PWR-RPS2300
Apr 16, 2013How many C3K-PWR-750WAC units in PWR-RPS2300 do I need for router CISCO2921-HSEC+/K9?
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Cisco Switching/Routing :: Can RPS2300 Support 2960S
Aug 18, 2012When using dynamic configuration tools, if I choose 2960 (not 2960s), I have the option to choose RPS2300 as redundant power, but when I choose 2960s, I cannot choose RPS2300. However, in a document describe both 2960 and 2960s, it said that RPS2300 can be used. Does RPS2300 support 2960S?
View 1 Replies View RelatedCisco Switching/Routing :: Switches Supported With RPS2300?
May 2, 2012I know the white papers say that the RPS 2300 supports the 3750-E series and the 3750 series, but we have 3750-G and -X series. Wanted to make sure that these switches are supported and if we need anything special?
View 3 Replies View RelatedCisco Switching/Routing :: RPS2300 With 4 Cat3750g48ts - Connect 2921?
Jul 16, 2012got a RPS2300 with 4 cat3750g48ts on it (yeh I know - Cisco documentation allows only 2 of them ). What will happen if I connect an additional Cisco 2921 router?
View 0 Replies View RelatedCisco Switching/Routing :: 3750 3 Units Of Stack Upgraded
Mar 29, 2013I have a situation where are three units stack of 3750 which i need to upgrade.The flash memory on all the switches are the same which is 57.4 MB. The tar file which I was trying to use was 21 MB.
Now the trouble is that the client wanted to do upgrade without overwriting the existing file. I tried doing automatic upgrade using tar file. It started all OK with downloading the tar file successfully on the master flash. but then it failed thereafter. It did not show any error on my telnet screen however I could see errors (Error code 10054) on the TFTP server regarding the download of the same file on the flash ( i am guessing this was the flash of the next unit in the stack).
" You need to make sure you have sufficient space available in the Flash of the master switch. The master switch should have twice the amount of space of the .tar image file size. This space is needed to store the .tar file as well as to store the content of the .tar file that you extract."
The tar file being 21 MB and looking at the dir below I dont think it is possible use this option since I dont have that much space. I have 34 MB free which according to the doco should be atleast 42 MB.what is the best option I have with me given the constraints that I cannot upgrade the flash at this stage.
1. Could I use the manual upgrade (using bin file) if that can do the needful,
2. Do I simple try automatic upgrade using tar file but with overwriting option so it overwrites the existing image on the flash.Could i take a copy of the existing image on the tftp server using "archive upload-sw" command?
3. Is there a way I could upgrade without transferring image onto the flash and instead using tftp for the stack switch to boot from?
Cisco WAN :: RPS2300 With 2911 Router
Jun 26, 2012I want to connect a RPS2300 to a Cisco 2911 router to provide power backup.I have two questions ,Easy one : if the 2911 PSU (internal Power Supply Unit) fails, how to confirm the RPS2300 provides power to the 2911 with no reboot of the 2911 ?,Tricky one : After we replace the broken PSU, will the 2911 reboot or not as power revert from RPS2300 to internal PSU ?
View 4 Replies View RelatedCisco WAN :: VPN Design Solution In SRP527W U Units
Sep 8, 2011I have a pair of SRP527W-U units, which each connect to a seperate ISP by ADSL2+I am attempting to use each simulatenously as follows:ISP-A via CiscoA for general traffic, and to run HTTP server X,ISP-B via CiscoB to run HTTP server Y,HTTP servers X and Y are on one machine, but binding to two seperate IP addresses eg x.x.x.3 and x.x.x.4,In a situation like this, I would normally configure CiscoA and CiscoB with x.x.x.1 and x.x.x.2 respectively,CiscoA would run DMZ to x.x.x.3 and CiscoB DMZ to x.x.x.4,The server would use x.x.x.1 as the default route.Then I would set CiscoA to have a policy route catching source address x.x.x.4 and sending it to next-hop/gateway x.x.x..
View 5 Replies View RelatedD-Link DAP-1522 :: DHCP Requests Thorough DAP Units?
Dec 7, 2011I am trying out a DAP-1513 unit but there is no forum section for this? My question seems to be general and might cover the other models also. Do the DHCP request, from the attached LAN devices on the DAP, get pass to the DHCP "server?"
View 6 Replies View RelatedCisco Wireless :: Installed 4 AP541N Units In A Client Site
Sep 20, 2011Installed 4 AP541N units in a client site and they've now come back with reports of issues with the setup. I went out there today to take a look and the issue is primarily that randomly during the day, clients will loose access to DHCP. The client authenticates fine (we see success logs in the Windows 2008 RADIUS event logs) but doesn't manage to get an ip address.To sum up the things with the current setup:
- Running version 2.0 Code on the AP541N's.
- Using Windows 2008 for NPS (RADIUS) and DHCP.
- Cisco Catalyst Switching in the back end.
Things tend to work fine in the morning. It's as the site hits midday that we start seeing issues.In looking at the issue I've come across a number of posts in regards to issues with DHCP and these units. One item that was suggested to switch off Mutlicast / Broadcast limiting on the Advanced Settings. What's weird with this is that if I do disable this option, RADIUS authentication stops working entirely. Switch limiting back on and RADIUS works again. I've confirmed this with Network Monitor running on the RADIUS Server.
Cisco Wireless :: AP541N - Installation Requirements For Multiple Units
Jul 22, 2011A couple of questions about the AP541N:
1. How to get these installed and working properly, especially in a clustered environment? I have read so many comments about slow performance, no performace, bad coverage, etc... They sound like the perfect product for my intended use if they actually work as advertised.
2. what is the installation requirements for multiple units? (What is the minimum/maximum distance between units? How many units are needed for a certain area?
Transfer Files Between Two Seagate BlackArmor 400 NAS Units On Same Network
Apr 9, 2013So I have two Seagate BlackArmor 400 NAS units and I want to transfer a lot of files from one to the other.I can access both through a browser GUI and also are the shares I want to transfer between available in my Network Location in Windows 7. I guess that's the CIFS thing there but not sure.However if I just drag and drop or use something like TeraCopy the speed is very bad. It's like the file actually transfers through my PC which is wireless and not getting great speed.
The Seagate blackarmor has a download manager that supports http and ftp and the share is ftp enabled but I have no idea how it's url would be on local network ( there is no DNS setup for the FTP but it's marked as enabled ). transfer the files between the 2 NAS system without having a PC in between and getting good speed.
Cisco Switches :: SG300-52 Units Would Basically Disconnect / Connect Their Ports
Feb 15, 2012We had a number of Linksys SRW2048 / SRW2024 switches that had the "bloated capacitor issue" or "bad capacitor issue".These units would basically disconnect/connect their ports.Applications would sometimes crash on workstations.These were all located at different client sites.These were replaced under warranty with the SG300-52 units.When we implemented the SG300-52 units at several sites we noticed the the logs showed disconnect/ connects.We were not seeing apps crash.Support advised they were not aware of any issues.We did a firmware update that was available that made no difference. (1.1.0.73)6 months have now passed.
We noticed at our site very poor throughput one night doing a very heavy file copy data transfer between two computers.It actually ground all other computers on the network to a halt.We inspected the switch.It had "all lights flashing".We thought this strange and shutdown the whole system. Problem still existed.Power cycled the switch. Problem still existed.Noticed their was a new firmware update. (1.1.2.0)We implemented this.The lights on the switch stopped "all lights flashing".Throughput was back to normal. (ie didnt grind all other computers to a halt)
We then had a second site complain of similar issues.Heavy throughput between two computers bought all other computers to a grinding halt.Lights were "all flashing" on switch.Workstation would disconnect/connect in a loop during heavy file copy.We implemented the firmware update thinking this would solve the issue.It now still has the issue of disconnect/connect however and apps sometime crash.We have now replaced the switch with a HP 2510-48G.This is working properly.I have now since been to other sites that also have these SG300 switches and notice the "all flashing lights".
Cisco Wireless :: 5508 - WLC Not Pass DHCP Past Bridged Units
Jun 26, 2012I have a WLC 5508 with LWAP 1242 with wireless bridges connected to the APs I cannot get DHCP to pass through the bridge to the PC connected to the bridge.
View 5 Replies View RelatedCisco Firewall :: Primary ASA 5510 Turns To Standby When Both Units Power Up
Mar 22, 2011I have three pairs of ASA5510 firewalls, each pair configured as a failover pair. When each pair boots up, even if I boot up the primary first, when they are both up and the primary/active syncs to the secondary/standby, the primary always switches to standby and the secondary thus becomes active.
What would cause this? It happens on all three pairs. Does failover look for the highest ID or IP address to determine which of the pair will be active?
Cisco Wireless :: Mass 10 Total Units Failed In Groups Of 2-4 With AIR-LAP1131 / POE
Apr 16, 2013We had several AIR-LAP1131AG-N-K9 devices have a peculiar failure recently.About 10 total units failed in groups of 2-4. Each group was on the same 3560 switch, and they failed at the same time.Now all but one of the units will power and work properly with an inline power injector. But they are either intermittent or not at all when connected to the POE Switch. Even when I use a 3ft patch cable to connect directly to the switch. I have certified the cable and they do the same no matter which port or cable used. 'show inline power' command will show these failed units as 'Iee PD'v
View 1 Replies View RelatedLinksys Wireless Router :: E4200 - 2 Units 5ghz Keeps Dying
Jun 23, 2011I bought an e4200 about 2 months ago. It worked perfectly for 3 weeks. Then all of the sudden, the 5ghz connection started dropping. Then it's disappeared completely and it would not show up in a network search. Then the 2.4 ghz started going crazy. I reset it completely, that didn't work. I let it sit for half a day, nothing. I sent it back to newegg and got a replacement. When the 2nd one came in, it worked fine until the next day. 5ghz cut out. I called linksys support and they were no luck. I reflashed to 1001 firmware and it mysteriously came back to normal. It was working perfect until today. 3 weeks later. 5ghz went out, and never came back. I reflashed 1001, nothing. Reset, nothing. Flashed the new 1002 firmware, nothing. 2.4ghz still kind of works, but the speed is barely 5mbps. I'm at a freaking loss right now. This was the best performing router I have tried, of all the top models available right now
View 8 Replies View RelatedLinksys Wireless Router :: E4200 And WAG320N - Bridge Between Two Units
Nov 23, 2011I have both WAG320N and E4200, they are currently linked (wired) together as a bridge (it is not ideal or necessary, but lets move pass this point) and is working fine. But I'd like to place the E4200 on a floor above (which cabling is not an option) and is wondering how the two units can be bridged wirelessly while status quo on everything else.
View 3 Replies View RelatedCisco Wireless :: Aironet 1140 Series Units Won't Connect To Gigabit Switch
Mar 27, 2013I just installed 2 new units and neither will connect to a new HP gigabit switch - no link light, other devices can connect to the switch OK. Their gigabit ethernet settings are set to auto for duplex and speed. I also tried forcing one of them to full duplex and 1000 Mbps which didn't work either. They're both powered by POE injectors. If I connect them to a 10/100 switch they work fine.
View 8 Replies View RelatedCisco Switching/Routing :: N5K-C5548UP-FA - Switching / Routing Capacity?
Jan 29, 2013I am buying a Nexus 5K (N5K-C5548UP-FA) with the layer 3 card (N55-D160L3 - Nexus 5548 Layer 3 - Daughter Card).The switching capacity of it is 960 Gbps but I know I should expect less doing the Layer 3 function (it will only be used with static routing).What switching/routing capacity should I expect? How can I estimate it? What else should I consider?
View 1 Replies View RelatedCisco Switching/Routing :: 6509 / 4900 - Network Down Cause Switching Supervisor With Redundancy
Jan 11, 2012we've had an issue with our network, we have 2 6509 connected with redundancy, which are connected with 2 x 4900 Switches, from which are connected to a ESX Chassis for visualization, the thing is that the ESX stopped working, and the 4900 switches, and the main core were suffering from overload, they hang on it very well, in order to stop the overload, one of the links to the ESX Chassis were disconnected from one of the 4900 switches. The CPU usage from the 4900 and the core(6509) went down below 40%, and then they started to migrate the virtual servers from the chassis to another 2 chassis that were added right after. They were actually working well, but suddenly the 6509 changed to the other supervisor after everything was OK. We were wondering what could have been the cause of this, maybe the virtual servers migrations, maybe the overload from the ESX ? We also had a few question, is there any need to reload the cores every few months as a planned task ? Because the cores have been up for more than 1 year. And also is there any kind of of tool to monitor the CPU status, or the status overall from the cores or the switches ?
View 3 Replies View RelatedCisco Switching/Routing :: 7609 For Switching / Based On LAN (VRRP / HSRP) Feature
Oct 18, 2011I am facing an isssues with 7609 for LAN switching , based on LAN (VRRP/HSRP) feature.Actually we are having ES+ cards (on 7609) and we are using multiple groups(say 350 vrrp groups) running on the router . the routers are connected as router 1>>> mux(which is working as switches)>>> router2
my questing are
1. does their will be "multicast packets" (for VRRP/HSRP group) "from backup router to Master router", when in stable state( ie when Master and backup are already chosen) , or the packet from backup to master should be unicast.I know for sure, the packet from master to back is multicast packets denstination to Multicast IP packet and To MAC address.I am not sure but I think from backup to master it should be multicast
2. what is frequency of these packets( from backup to master)
3. As i have multiper group on a single interface ( we are using q-in-q), when the connectivity from router's is broken, then does all the groups will muticast their active roll in the lan sengment "at once" or it will be in a groups say 100 groups at once, and after few ms few 100's and sone ( as is on OSPF or RIP)
we are in between troubleshooting I hope we get the ans( Actul problem we are seeing in the router's that we have 2 ports on active routers and 2 ports on standby router , but we are not seeing muticast on 1 port on standby router where as all other 3 ports are seeing multicast packets) [code]
Cisco Switching/Routing :: Catalyst WS-C3750G-48TS-E - Virtual Switching System
Sep 10, 2012I would like to know if Catalyst WS-C3750G-48TS-E recognizes and understand Cisco VSS ( Virtual Switching System) . Is there a List available which tells us which Old Catalyst Switches or current switches understand Cisco VSS?
View 3 Replies View RelatedCisco Switching/Routing :: 2921 Process Of Switching Infrastructure Of Firewalls / VPNs
Jul 4, 2012We are in the process of switching our infrastructure of our routing/firewalls/vpns over to cisco. We are switching our first location and one of the issues I'm struggling with is windows authentication pass-through for internally hosted web pages. Meaning, user inside our network has the 2921 as their default gateway, they try to access a web page that is hosted on the internal network but is secured with windows authentication. In the past, because they are logged into the domain internally, the website authenticates and loads. After switching to the Cisco, it asks for a password even though they are logged in.
Because its the web server that actually authenticates I'm not sure why the router isn't allowing that to happen, but I can't think of anything else that could be causing this behavior.
Cisco Switching/Routing :: Nexus 7010 / VSS - Does It Support Virtual Switching?
Apr 9, 2010Does the nexus 7010 support virtual switching yet? All of the posts I have found from about a year ago say that it is going to be supported, but there were no dates listed. I heard the same thing from Cisco a while back, but haven't followed up with it.If it is supported finally are there any configuration guides available for it?
View 7 Replies View RelatedCisco Switching/Routing :: Switching Redundancy For ESXi VMHosts Scenario
May 12, 2013I have the following devices :
-1 VM Host
-2 Layer 3 switches
I would like to provide full redundancy for all vlans being used by VM Guests on the VM Host as well as the management vlan being used by the VM Host.I have created two LACP etherchannel connections on the VM Host. Each etherchannel from the host consists of 4 ports spanning a single NIC. One etherchannel connection goes to a trunked etherchannel connection on switch 1, and the other etherchannel connection goes to a trunked etherchannel connection on switch 2.Switch 1 and switch 2 have an etherchannel connection between them that carries all of the vlans in the topology.Vlan 2 is the managment vlan. Vlans 3, 4, and 5 are vlans that VM guest systems will be using for normal data traffic.
I intend to use switch 1 as the VRRP active router and spanning-tree root bridge for vlans 2 and 3.I intend to use switch 2 as the VRRP active router and spanning-tree root bridge for vlans 4 and 5.The spanning-tree configuration is using multiple spanning-tree with two instances. Instance 1 has vlans 2 and 3 associated and Instance 2 has vlans 4 and 5 associated. I would like to have this topology be fault tolerant to the point where if one of the etherchannel links between the host and one of the switches goes down, (for example, if switch 1 was powered off) traffic will be automatically redirected through the other functional link. I believe that my VRRP configuration would allow for a fairly quick failover of layer 3 services, but I am not certain that my design will be functional at a layer 2 level.
What I am uncertain about is how spanning-tree will converge. I am assuming that the virtual switch on the VM host will not be forwarding any BPDUs being sent by either switch. Would either of the links connecting to the host be considered a redundant link by either switch?Would the link between switch 2 and the host be inactive for all vlans in MST instance 1 during normal operation?Conversely, would the link between switch 1 and the host be inactive for all vlans in MST instance 2 during normal operation? Would all links remain active for ALL vlans? Would this mean that some traffic may travel through switch 2 to reach switch 1 instead of going directly to switch 1?
Cisco Switching/Routing :: 6500 Switching Fabric Bandwidth 720 Is Calculated?
Jan 21, 2012As per my understanding 6509 all slots are dual channel, so 9 slot * 40 per slot (20 g in and 20 g out) = 360 GB How cisco claim the 720 ?? What about the 6513 chassic switch fabric connection?
View 5 Replies View RelatedCisco Switching/Routing :: Switching Fabric And Forwarding Rate C3750x
Aug 6, 2012It is said that the switching fabric of WS-C3750X-24T-E is 160Gbps.Could any body tell me what is switching fabric, any relevance or difference from forwarding rate?,Is there any document to know how will the switch reach the 160Gbps full switching fabric performance?
View 5 Replies View RelatedCisco Switching/Routing :: 3750G - Stack Switching Priorities Not Correct
Mar 21, 2012I got Two Distribution Switches of Cisco 3750G. Each Distribution have two 3750G switches stacked. I also have one Cisco 3750V2 Access Switch connected to both Distribution. When I am checking for redundancy, I can only get redundancy test pass for one link not atall for other. If I have a link up with Distribution 1 only then its fine; but disappointment with Distribution 2 link. I can see that the switch priorities of Dist 2 is not correct ie. Master's priority is 10 and Member's is 15.
My question is that due to misconfigured priorities on Distribution 2 stack switches I am failing with redundancy if ONLY Dist 2 is up and Dist 1 is down.
Cisco Switching/Routing :: 6500 / High Switching Processor Utilization?
Sep 20, 2012I am seeing a strange situation on my 6500 switch?By having snmp walk on '1.3.6.1.4.1.9.9.109.1.1.1.1.3' (== cpmCPUTotal5sec), I came to know that there are two processor and the cpu util for switching processor is gone to 88 % and some time creeps to 99 %.
snmpwalk -v2c -c "removes" sw6500 '1.3.6.1.4.1.9.9.109.1.1.1.1.3'
SNMPv2-SMI::enterprises.9.9.109.1.1.1.1.3.1 = Gauge32: 12 (--- this is for CPU of Router Processor )
SNMPv2-SMI::enterprises.9.9.109.1.1.1.1.3.3 = Gauge32: 99 (--- this is for CPU of Switching Processor )
but when I do sh process cpu on the console, all looks normal as it shows cpu utilization of RP. why the value is so high on the switching processor ?
Cisco Switching/Routing :: Sub-50ms Protection Switching At Ethernet Layer (ERPS G.8032)
Jul 24, 2011It is understood that sub-50 ms ERPS convergence can be achieved with certain HW/SW combinations.
1) What are the platforms supported (and with what FW/SW) has this been tested ?any results that can be shared?
2) Link failure detection in GigE on Copper is slower compared to GigE over "pure" Fibre; so no sub-50ms would be possible with Copper ring ports.is sub-50ms convergence achievable with "combo SFP ports" ?
Cisco Switching/Routing :: Facebook Forum Data Center Switching With Nexus 5000
Oct 8, 2012Lucien is a customer support engineer at the Cisco Technical Assistance Center. He currently works in the data center switching team supporting customers on the Cisco Nexus 5000 and 2000. He was previously a technical leader within the network management team. Lucien holds a bachelor's degree in general engineering and a master's degree in computer science from Ecole des Mines d'Ales. He also holds the following certifications: CCIE #19945 in Routing and Switching, CCDP, DCNIS, and VCP #66183
View 1 Replies View RelatedCisco Switching/Routing :: Access Layer Switching With 2960 / 3560x / 3750x And 4506
Jan 17, 2013My management has tasked me to give them a high level overview of the different switching we can choose for our new building.
This is what I know so far.4 Closets, each closet has 450 ports,One MDF room that is will contain one UCS Chassis and a Nimble iSCSI SAN.
I am working on the spreadsheet and it looks like this (Not totally filled):
2960s3560x3750x45064510Approx cost (Each, 48PORT, POE+, 10G uplink, Dual PS, IP BASE)
6K7K8K45K75KMax Capacity192432432192384Backplane speed206464520520ProLeast ExpensiveStackable to 9Stackable to 9ProDual PSDual PSDual PSDual PSDual PSProLayer 3 opt
Layer 3 optDual SupsDual SupsConExpensiveExpensiveConNo Dual PSConLayer 2 OnlyCannot stack more than 4
For the MDF I would like to use 2 Nexus 5548's with FEX's, and the layer 3 daughter board. For the IDF's I was thinking of two 4010's.
Cisco Switching/Routing :: 2951 - HSRP Backup Taking Two Minutes When Switching Off Primary Router
Oct 7, 2012I configure HSRP on Router 2951 as a primary router, and Router 2811 as backup router. But when I am switching off my Primary router the backup router is taking 2 mins to take over form primary router.
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