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my question is I use cisco asa5510 as a firewall beteween inside lan and internet. I use NAT to make client go internet. it's find. but I can't ping outside address(internet address), because sometimes I need to ping outside address to test whether it can be reached. I also use icmp permit any...

hi all, my question is I have some aps ( LAP1242AG) and should insert two antennas(2.4 AIR-ANT4941), each ap has four anntenna ports , the one side is 2.4Ghz right and left, the other is 5.2Ghz right and left. how to connect. thanks

hi all, I have a question about network vlan and vlan subnet. is it possible that many vlan share one subnet,also one default-gate? for example, a subnet 192.168.100.0/255.255.255.0, default-gateway is 192.168.100.254. the subnet includes 3 vlans, vlan10,vlan20,vlan30 and clients in vlans get...

hi everyone, I will deal with the issue about cisco callmanager and voice gateway, the gateway is cisco 3825 with VWIC-2MFT-E1 voice card and the PSTN line is two E1 (30B+D), what should the gateway work with the callmanager , MGCP or H323? I find the different configuration which depends on...

hi everyone, I will develop the AVVID network, one problem is to dispatch ip address to ip telephone, I want to set dhcp server on 4506(core switch), since it is a hotel ,there are 300 IP telephones and 400 analogy phones attached to VG248(analogy gateway), total 700 ip endpoints, is that...