WebFeb 6, 2024 · Configuring HSRP. The Hot Standby Router Protocol (HSRP) is Cisco's standard method of providing high network availability by providing first-hop redundancy for IP hosts on an IEEE 802 LAN configured with a default gateway IP address. HSRP routes IP traffic without relying on the availability of any single router. WebMar 30, 2024 · This example shows how to map VLAN IDs 2 to 6 in the customer network to VLANs 101 to 105 in the service-provider network (Figure 3-5). You configure the same VLAN mapping commands for a port in Switch A and Switch B; the traffic on all other VLAN IDs is forwarded as normal traffic.
Port Security - Cisco
WebThe switch supports VLANs in VTP client, server, and transparent modes. VLANs are identified by a number from 1 to 4094. VLAN 1 is the default VLAN and is created during system initialization. VLAN IDs 1002 through 1005 are reserved for Token Ring and FDDI VLANs. All of the VLANs except 1002 to 1005 are available for user configuration. WebApr 4, 2024 · In trusted mode, all traffic received through the access port on the Cisco IP Phone passes through the phone unchanged. In untrusted mode, all traffic in IEEE 802.1Q or IEEE 802.1p frames received through the access port on the Cisco IP Phone receive a configured Layer 2 CoS value. danger of high white blood cells
Configuring LAG Settings on a Switch through the Command Line ... - Cisco
WebAccess Mode VLAN: 1 (default) Trunking Native Mode VLAN: 666 (DO_NOT_USE) Administrative Native VLAN tagging: enabled Operational Native VLAN tagging: disabled Voice VLAN: none Administrative private-vlan host-association: none Administrative private-vlan mapping: none Operational private-vlan: none Trunking VLANs Enabled: ALL WebAug 22, 2013 · Nov 20th, 2011 at 9:21 PM. Useful Commands. General commands. sh ip traffic - all traffic through the Cisco. sh controllers ethernet-controller gi1/0/1 phy - information about the SFP module into a particular port. show vlan internal usage - used to show vlan. sh inventory raw - in 4924 about stuck SFP seems to be the only way to see. WebMar 27, 2024 · By configuring switchport isolated on a trunk interface, you can configure up to 48 interfaces with up to 3967 VLANs per port, on switches in Cisco Nexus 9000 portfolio. When you change the member VLANs on the isolated interfaces, all VLANs on these interfaces get moved to forwarding state. danger of hubbly bubbly