We have Four 2960S Switches in Stack. We have created Multiple VLANs. While Pinging from Member PC to Member VLAN IP on Switch, we are getting Higher TTL response & Some ping breaks for One Particular VLAN. While pinging from Member PC to Member PC, we are getting Normal Ping Response.
View 5 RepliesWe got a switch issue here for 4507R-E with two sup6l-e supervisor running sso redudant. and we found that sometimes client can't ping through the local vlan ip add on the switch , can't logon the cli by telnet too. In the direct connected network device such as access switch and ASA , can't ping or telnet the 4507R too. when we made a forceswitch to sso standby supervisor from console , the problem solve and everything get fine . after that, we switch angin back to the origin supervisor , fine too.
before we made the supervisor forceswitch , we had check the system cpu usage is 15 - 20 % from console . also we had creat a new vlan 200, attach the notebook to 4507's vlan 200 port , the notebook can't ping or telnet the vlan 200 ip interface too.
i've got a Dell laptop and a few months ago i started experiencing higher ping on some games and some spikes on the internet, at first i blamed my isp but this has continues since then and my brother has reported no spikes or ping increases in the last weeks. I experience a 120 ping on speedtest.net (on average) to servers that i used to get up to 20 ping on and i experience 200 ping on league of legends servers that i used to get 100~ ping on.My laptop is running on windows 7, using panda antivirus and spybot search and destroy (i uninstalled mcafee).
View 2 Replies View RelatedUsually, when I connect to nearby game servers I would have 10 - 60 ping. However, recently my NETGEAR CG814WG stops working randomly (The lights are all on, I can connect to it, but there's no internet connection) and I have to reboot it. (I had this router for a bit longer than a year, by the way)Currently I get around 80 - 300 ping connecting to servers in sydney. Ping directly from my router:
Ping statistics:
Pings sent: 25 (4 per second); Replies received: 25 (4 per second)
Bytes sent: 1600 (266 per second); Bytes received: 1600 (266 per second)
25 replies passed verification (0 failed)
Min time: 10 ms; Max time: 400 ms; Avg time: 132 ms; Total time: 6090 ms
When I reboot the router it has low ping (~30) for a minute or two but then the ping increases.
"In the past I have noticed if I have one of my rigs running NAT and DHCP that my ping response times are lower compared to my router DGL-4300, when playing games. Is this due to the PC hardware being superior or is it a software/firmware thing?
Or is there a router out there that will perform better ping response time wise/ lag than my DGL-4300?"
Is this due to hardware or is it software/firmware? My NAT and DHCP box was a windows server 2003 configured with just those roles and my pings were in the 20-30 and I could host/join games no problem and no lag, but when I play through the Dlink DGL-4300 my pings would be 70-90 and some games I had lag issues and host/ join issues, sometimes it would work sometimes not.
we are seeing network latency problems and our cpu on the 6509e is spiking and have a above average % for the past week or so. When we do see these spikes it seems that snmp and apr input is high
CPU utilization for five seconds: 75%/53%; one minute: 17%; five minutes: 14%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 9 1636168 95505 17131 4.19% 0.36% 0.34% 0 Check heaps =======>
12 478096 1011864 472 3.07% 0.12% 0.12% 0 ARP Input =====> 52 30420 436000 69 0.07% 0.07% 0.07% 0 Per-Second Jobs
53 317496 7789 40762 0.87% 0.10% 0.06% 0 Per-minute Jobs
220 55380 87807 630 0.07% 0.06% 0.07% 0 Compute load avg
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we recently upgraded our 3560 switches to the new 12.2-55 ios version but have not upgraded our 6509 because its ios is on 12.2(33)SXJ1. Not sure if this is related or not but it seems that after we upgraded to the later ios that the latency started.over the last 24 hours the spike is several times an hour and at least one a day that it hits the 90 - 100 % mark.is there a way that we can limit what snmp view but would not effect functionality or network?
I'm having with VSS Failover. Currently I have two 6504's setup for VSS with one connection to the sup engine (10Gig__Connection) and the other connection on the Module 3 10Gig Blade and the same setup on the other 6504.My question is: If the active 6504 has a power outage or the link on the sup engine goes down, and the standby 6504 becomes active, what happens when the Failed 6504 comes back online with a higher priority and preempt set? What happens with the 6504 that took over as Active and now eeds to go back to Standby, what's required?
What I'm seeing is once the Standby took over and became Active in order for him to go back to Standby mode it's asking for a reload to take place is this NORMAL?
I do have C3750G-12s switch which is not able to boot as of the expected. Every time when I break the stack and try to use console i got a weird output from my console output. we need the stack to be break and use those switch separtally .
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I have the following LAN setup: I am trying to ping the Wireless Access point (10.60.1.1) from the Cisco Router (172.16.88.21) but I am not getting responces. I can however ping 10.60.1.1 from server (172.16.88.36). Tracert from the server shows that it is going through the Rotuer and Firewall.
View 8 Replies View RelatedI want to change ping latency because my application cannot run in 1ms or 35ms it will work on 600ms to 1500ms due to in VSAT minimum response time latency is 600ms to 1500ms.for i want to change in my 2003 server reponse letancy time.and we are use online accounting software and connecting through ftp server.kindly do the need full how to change response time frame in windows
View 2 Replies View RelatedA network administrator wants to capture some network data. He opens Wireshark software, start capturing, and does the following:In PC-A, runs a command in command prompt. The network admin issues the command and sees there is ping response from the google.
View 3 Replies View RelatedI am trying to track down an application response problem on my network (the traffic goes through a 6509 and FWSM).I noticed in one of my WireShark captures, that the client at times seems to be sending ackowledgements (ACKs) over and over again, and I'm not sure if this indicates a problem/ retransmission.
Basically, a web server is delivering images to the client, but end users are complaining of slowness and freezes.Wire-Shark has not flagged this as a problem (comes up "green")
I connects to the wireless box and has full signal but an exclamation mark is present.I have run some tests and the IPv4 and IPv6 say they have no internet access.I also run a full test and everything passed except the ping test which failed and it said: no response:default gateway response: dhcp server it suggested disabling security firewall but i'm not sure if that's the correct thing to do or even how to do that!
View 7 Replies View RelatedI've updated latest firmware & installed 5 pieces of WRT54GH at our building. Then I noticed each of them disappear from wireless connections list and IP scan list (no ping response). If they might not response to pings but they serve as switch without any problem, I mean there are no wired connection problems, they work as switch all the time. The problems are -again-
1-) Wireless lost and / or 2-) Ping response lost
Turning them off and on again will fix them. But I'm tired of bosses who complain about their faulty pc connectivity.
Don't they run 7/24? I tried to restart them on every 12 hours programmatically/remotely but it couldn't work.
I attached the terminal to the console port to watch the bootup sequense, but nothing appear the same cable used on athor switches and router without any issue.procedure to access the router noting that Giga ports not working also.
View 2 Replies View RelatedI'm trying to configure an ASA firewall (FW2) for syslog and tacacs and am experiencing strange behavior. Both the syslog and ACS server are on the inside of another firewall (CoreFW). Whenever a log message is generated on FW2 the request is dropped by CoreFW and message '%ASA-4-313004: Denied ICMP type=0, from laddr FW2 on interface outside-b2b to syslog01: no matching session' is displayed. The same thing occurs for tacacs.
It appears that the syslog and ACS requests are generating ICMP echo replies, which the core firewall drops since no session exists on a lower security interface. I have access lists configured on CoreFW to allow the syslog and tacacs requests.
FW2 is running asa825-k8.bin, CoreFW is asa824-k8.bin
I have a brand-new WRT160N router (just installed FW v3.0.02) that I am using in mixed mode, 20MHz only, Channel 11, not filtering anonymous requests, beacon at 2306, RTS at 2307, fragmentation at 2346, MTU at 1400.
These settings bring the response from a simple ping command over the wireless network down to approximately 6ms on average, which is good. However, when I still noticed inconsistency with my internet response over wireless, I decided to do a test.
By simply running the "ping" command on 192.168.1.1 (the router address) over the wireless network repeatedly (approx 3 seconds between commands), I can see that approximately every 65 seconds or so, router response time increases to over 100ms for a few seconds, then decreases down to 6 ms or so for another 65-70 seconds. See the chart below. The interval looks pretty consistent to me, with the exception of one stretch where it goes for over two minutes without a spike. I see this pattern regardless of what else I'm doing over the network. I do not see this behavior running the same test when physically wired to the router (ping response time is a flat line at 0ms).
I need to remotely monitor a WRT45G from a remote host on the Internet. As such, I want to allow ICMP ping replies on the public Internet interface. However, I have found no feature to allow me to do this. Similar Netgear devices do allow this feature. I suspect the answer is, "you can't do that".
View 2 Replies View RelatedInter-VLAN applications are slow and same VLAN it is working fine.(i.e.VLAN to VLAN applications and File transfer response was Slow).Switch Model number: WS-C3750G-24TS-S1U
View 3 Replies View RelatedI have 2 Catalyst 2924 switch in a home lab. Both of them have developed the same problem at the same time (strange). I have tried all that I can think of. I can telnet to them but cannot access via the console port. On a telnet session I execueted a "write erase, reload" on one of them. As I anticipated this threw me out of the telnet session and I presently have no access to that switch.
The console cable is fine, works for all other devices.
Each time I'm rebooting my E3200 device my ping to my ISP is 20ms. Few hours later the ping goes up to 300-500ms.Than I reboot again and the ping is going down to 20ms again.
View 5 Replies View RelatedI am in the process of installing a 3750x (IOS 12.2 (53r) SE2 IP Base) Cisco Catalyst switch in a new network of just 2 PC's (2 hosts, OS windows7 64Bits). I have enabled SVI interfaces with the both hosts installed in 2 different network segments. We then start connectivity test. The response time for the PING command between both hosts remain below 1 millisecond, whereas the response time between the hosts and their correspondent SVI interface is variable, and at all time is higher than 1 millisecond, sometimes it reaches 17 milliseconds. (Note that the switch CPU usage is only 8% at the time of testing) We have performed this same connectivity test changing the 3750x switches and in two different locations obtaining the same results.
View 2 Replies View RelatedI have recently split the voice vlan (10) from the data network (1), and am wondering why my catalysts and router do not require an interface Vlan10 statement. In the past I used OpenBSD boxes to do the routing, and I first needed to configure vlan 10 on the interface before I could get inter-vlan communication to work. With these Cisco devices it works, and I am wondering if it is because of VTP, for the fact that the ports maybe just pass all traffic, or is there some other explanation? Below is the setup, and firmware is up-to-date on all of the devices.
When I plug a phone into the POE SGE, the phone turns on, obtains an address on the proper subnet, and conversations are clear (whereas without the ip nat inside on the new subnet the calls had a lot of static). Possibly the reason that it works is because the phones properly create the tcp/ip packet, and it hops over the trunks and creates the states so that traffic routes back properly. I will install wireshark to see exactly what is going on, but is there a simple explanation that I am overlooking?
I need to enable multicast routing on 2960s but the command "ip multicast-routing" isn't available on my release (12.2.(55)).
From which release this command is available?
I have C2960S-48FPS-L and C2960S-24TS-S both of them are using C2960S-UNVERSALK9-M image with version 15.0(2)SE on both I run "mls qos"
and on 48FPS-L I run "mls qos map cos-dscp..."on 24TS-S I cannot run it. there is no such command. there is just "mls qos rewrite..." and "mls qos srr-queue..." variants.
I thought that one image give the same set of commands...?
I have a new 3560G to set up a small network for a remote site. I configured the vlan and an SVI as the gateway. The switch is also the DHCP server for the LAN. I configured Gi0/2 as L3 port, connecting to the nearest neighbor. My network runs EIGRP so i advertised the routes into the EIGRP process. The switch forms EIGRP neighbors and learns all routes in the enterprise network. The problems I'm having now are: 1. The switch learns all routes in my enterprise LAN and can ping devices in the enterprise LAN, but I can’t ping any interface on the switch from the enterprise LAN. 2.
View 5 Replies View RelatedI set this up and I can ping all the gateways but never the hosts. I was hoping I could make these links between 6500's a mix of L2 and L3. Check it out. They are connected in a linear fashion R1--->R2--->R3. I can ping from R1 to R3's SVI4 gateway but I can never ping a host on that SVI4. I was hoping that I could use the port-channels between 6500's as routed links or as trunk links depending on the type of traffic....thought it would ease the migration. I suppose I could always get rid of the port-channels and just make separate L2 and L3 links between the 6500's.
View 3 Replies View RelatedFrom My Router that connects to Cable modem i am unable to ping website 4.2.2.2I am able to ping all other websites fines.Same website i can ping from my pc and all other switches fine.Router has only 1 ACL thats for NAT.
View 25 Replies View Relatedwhile i am configuring a port on switch .The switch reloads.After reload the show version says,System returned to ROM by bus error at PC 0x458F6C, address 0x0,show version from the effected switch is,Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(58)SE2, RELEASE SOFTWARE (fc1).
View 4 Replies View RelatedI am currently having an issue with connecting a Catalyst 2960-S switch to a Small Business SG300 switch. When I connect them they are unable to form a link. When I do a show spanning-tree it says the mst link is in dispute.
View 1 Replies View RelatedI read some papers about QoS. The thing is that I have to implement 30 switches with QoS to connect to a lot of Cisco IP phones. The switches are Cisco 2960S with code image "C2960S Software (C2960S-UNIVERSALK9-M), Version 12.2(55)SE3". Should I use autoQoS feature or manually configure them?. How should I treat uplinks between access switchs and core/distribution? I have a lot of doubts regarding queueing, because all the info I had read its for another model/image.
View 4 Replies View RelatedI'm looking at the WS-C2960S-48TD-L and have a question about the uplink ports. Is it possible to mix 10G on one uplink and 1G on the other? The datasheet says 2x10G SFP+, 2x1G SFP so I am thinking mixing is not possible.
View 6 Replies View Relatedjust got new hardware and decided to try the newer USB port for IOS upgrades. I could not get the switch to recognize my 2gig flash drive. Do I need a proprietary stick or special format?
I also noticed when I removed it the switches crash dump and rebooted?