https://tools.ietf.org/html/rfc3649 1. can it be simulated in packet tracer, i tried in 2911 but not support in this version 2. how to set ip tcp window-size to achieve lowest latency? what is this number? 3. if i set this window size, do i need to c...
Routing
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Resolved! IOS Required for 2591 support IPv6
I have 2 x C2961 Routers that are running IOS ver: flash:c2691-i-mz.123-13.bin --- (C2691-I-M), Version 12.3(13) Under conf t I have no IPv6 commands available as shown below: Router(config)#ip?ip ipc I need to be able to utilise IPv6 and need...
Hi All. I’m looking for some help with SIP/VOIP prioritization on my Cisco 887va. We have a remotely hosted SIP phone system. The problem is when we are working on PC’s for clients and they start to download updates for Windows 10 we are getting ...
Resolved! Cisco 871k9 - WAN speed
Good morning everyone,I'm having problems with the speed of a cisco 871.Currently I have an HFC line of the ISP of 100Mb / 10Mb.Previously I used a small hex from the mikrotik brand and was able to handle 100/10 with a CPU load at 15%, firewall, nat,...
Switch#show interfaces f0/1 capabilities I have the command switchport voice vlan 200 , it doesn't work If I change the IP-telephony manual , from option - lay 2 qos - 802.1q/vlan tag to 200 , it works properly why . FastEthernet0/1 Model: ...
Resolved! Switching
What is the convergence time for spanning tree ?STP : 30 to 50 secondsRSTP: usally less than 10 seconds , bu deafault 3*2 = 6 three default hello timers .PVST : ?PVST+:?rapid pvst+:?MST :?Rapid PVST:? Thanks can anyone kindly help.. Thanks vinoth Kum...
I have the same situation descrpted here http://www.fwbuilder.org/4.0/docs/users_guide5/double_nat.shtml how can i configure cisco 1841 for double nat? thanks
Hi, Ive just completed a cisco lab and did as instructed. When i ping outside the subnet it says "Destination host unreachable." As far as I can tell its supposed to do this. Is there a way to get it to do so? I've attached my file bellow. This ...
The following command not working , only receive data vlan , voice vlan not working interface FastEthernet0/1 switchport trunk allowed vlan 200-210 switchport mode trunk! interface FastEthernet0/4 switchport access vlan 202 switchport mode ac...
I have a pair of switches that I need to set up ether-channel on. They currently have a single gigabit trunk link between then. My question is, when I add the current live interfaces to the port-group will there be any interruption to the traffic c...
Can we use ASA after router from down link to up link direction. Is it necessary to use it after the core switches.
I have attached diagram , I need your best configuration
Hello, I quote the below text from the new Routing TCP/IP book. As per the text, for eBGP peering sessions to form between directly connected neighbors, the IP addresses on both peers need to be part of the directly connected subnet. I assume th...
We have a netblock of IPs that are configured for BGP between 2 ISPs for failover and redundancy. We had an issue with our primary site ISP and brought it back online. Everything seemed fine and existing IPs and NATs are working properly for the pr...
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