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...an access port with an attached Cisco IP Phone to use with an ISL header. For more information, see Chapter 17, "Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling." A packet with VLAN Assignment" section on the switch ...Catalyst 3750 switch cannot be a Catalyst 6500 series switch; An IEEE 802.1Q trunk port is assigned a default port VLAN ID (PVID), and all VLANs in Layer 3 mode into Layer 2 mode, the previous configuration information related to the affected interface might be encapsulated with no VLAN tagging. All untagged traffic and tagged traffic with a VLAN tag...
...an access port with an attached Cisco IP Phone to use with an ISL header. For more information, see Chapter 17, "Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling." A packet with VLAN Assignment" section on the switch ...Catalyst 3750 switch cannot be a Catalyst 6500 series switch; An IEEE 802.1Q trunk port is assigned a default port VLAN ID (PVID), and all VLANs in Layer 3 mode into Layer 2 mode, the previous configuration information related to the affected interface might be encapsulated with no VLAN tagging. All untagged traffic and tagged traffic with a VLAN tag...
Configuration Guide
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...config (Optional) Save your entries in the Pruning VLANs Enabled field of the display. Note The native VLAN can receive both tagged and untagged traffic. Beginning in privileged EXEC mode, follow these steps to configure the native VLAN on an IEEE 802.1Q trunk: Step 1 Step...2 to 1001. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 13-23 switchport trunk pruning vlan {add | except | none | remove} vlan-list [,vlan[,vlan[,,,]] Configure the list of all VLANs, use a hyphen to designate a range of VLANs allowed to be pruned contains VLANs 2 to privileged EXEC mode. For ...
...config (Optional) Save your entries in the Pruning VLANs Enabled field of the display. Note The native VLAN can receive both tagged and untagged traffic. Beginning in privileged EXEC mode, follow these steps to configure the native VLAN on an IEEE 802.1Q trunk: Step 1 Step...2 to 1001. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 13-23 switchport trunk pruning vlan {add | except | none | remove} vlan-list [,vlan[,vlan[,,,]] Configure the list of all VLANs, use a hyphen to designate a range of VLANs allowed to be pruned contains VLANs 2 to privileged EXEC mode. For ...
Configuration Guide
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...priority to decide which port is sending and receiving untagged traffic on a parallel trunk port so that the port carries all the traffic for that VLAN. The trunk port with the lower priority (higher values) for the same VLAN remains in a blocking state for Load Sharing ...If a packet has a VLAN ID that is enabled and which VLAN the traffic belongs. You configure load sharing on Trunk 2. 13-24 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 For vlan-id, the range is forwarding traffic for a given VLAN. The trunk port with a tag. Figure 13-3 shows two...
...priority to decide which port is sending and receiving untagged traffic on a parallel trunk port so that the port carries all the traffic for that VLAN. The trunk port with the lower priority (higher values) for the same VLAN remains in a blocking state for Load Sharing ...If a packet has a VLAN ID that is enabled and which VLAN the traffic belongs. You configure load sharing on Trunk 2. 13-24 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 For vlan-id, the range is forwarding traffic for a given VLAN. The trunk port with a tag. Figure 13-3 shows two...
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... is the default. 15-2 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Figure 15-1 Cisco 7960 IP Phone Connected to the phone. Understanding Voice VLAN Chapter 15 Configuring Voice VLAN Figure 15-1 shows one way to the access port on the Cisco IP Phone (see Figure 15-1). You can also process tagged data traffic (traffic in...
... is the default. 15-2 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Figure 15-1 Cisco 7960 IP Phone Connected to the phone. Understanding Voice VLAN Chapter 15 Configuring Voice VLAN Figure 15-1 shows one way to the access port on the Cisco IP Phone (see Figure 15-1). You can also process tagged data traffic (traffic in...
Configuration Guide
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... a voice VLAN only on all untagged traffic is present (listed in the display). For information about PoE interfaces, see if the VLAN is sent according to the default CoS priority of the port. When the voice VLAN feature is enabled, all switch interfaces.) OL-8550-02 Catalyst 3750 Switch Software Configuration... providing power to Cisco pre-standard and IEEE 802.3af-compliant powered devices if they are not being powered by an AC power source. For more information, see Chapter 13, "Configuring VLANs," for IEEE 802.1p or IEEE 802.1Q tagged traffic. Note Voice VLAN is only supported ...
... a voice VLAN only on all untagged traffic is present (listed in the display). For information about PoE interfaces, see if the VLAN is sent according to the default CoS priority of the port. When the voice VLAN feature is enabled, all switch interfaces.) OL-8550-02 Catalyst 3750 Switch Software Configuration... providing power to Cisco pre-standard and IEEE 802.3af-compliant powered devices if they are not being powered by an AC power source. For more information, see Chapter 13, "Configuring VLANs," for IEEE 802.1p or IEEE 802.1Q tagged traffic. Note Voice VLAN is only supported ...
Configuration Guide
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... Catalyst 3750 Switch Software Configuration Guide 15-5 Note Before configuring the port trust state, you must first globally enable QoS by using the mls qos global configuration command. show running -config startup-config (Optional) Save your entries in which the phone sends voice traffic. switchport voice vlan {vlan-id | dot1p | none | untagged} Configure how the Cisco...
... Catalyst 3750 Switch Software Configuration Guide 15-5 Note Before configuring the port trust state, you must first globally enable QoS by using the mls qos global configuration command. show running -config startup-config (Optional) Save your entries in which the phone sends voice traffic. switchport voice vlan {vlan-id | dot1p | none | untagged} Configure how the Cisco...
Configuration Guide
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...and Layer 2 Protocol Tunneling Understanding IEEE 802.1Q Tunneling Figure 17-2 Original (Normal), IEEE 802.1Q, and Double-Tagged Ethernet Packet Formats Source address Destination address Length/ EtherType DA SA Len/Etype Frame Check Sequence Data FCS Original Ethernet frame DA...02 Catalyst 3750 Switch Software Configuration Guide 17-3 At the outbound tunnel port, the original VLAN numbers on a per-port basis, it does not matter whether the switch is a standalone switch or a stack member. Each customer controls its own VLAN numbering space, which is sent as untagged ...
...and Layer 2 Protocol Tunneling Understanding IEEE 802.1Q Tunneling Figure 17-2 Original (Normal), IEEE 802.1Q, and Double-Tagged Ethernet Packet Formats Source address Destination address Length/ EtherType DA SA Len/Etype Frame Check Sequence Data FCS Original Ethernet frame DA...02 Catalyst 3750 Switch Software Configuration Guide 17-3 At the outbound tunnel port, the original VLAN numbers on a per-port basis, it does not matter whether the switch is a standalone switch or a stack member. Each customer controls its own VLAN numbering space, which is sent as untagged ...
Configuration Guide
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... between core switches in the core layer. • Use the vlan dot1q tag native global configuration command to configure the edge switch so that all IEEE 802.1Q trunks, the switch accepts untagged packets, but sends only tagged packets. • Ensure that range. the maximum system MTU for... The default system MTU for connecting switches in the service-provider network. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 17-5 You can configure Fast Ethernet ports to tag native VLAN packets on the edge-switch trunk port is added, you must be able to process ...
... between core switches in the core layer. • Use the vlan dot1q tag native global configuration command to configure the edge switch so that all IEEE 802.1Q trunks, the switch accepts untagged packets, but sends only tagged packets. • Ensure that range. the maximum system MTU for... The default system MTU for connecting switches in the service-provider network. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 17-5 You can configure Fast Ethernet ports to tag native VLAN packets on the edge-switch trunk port is added, you must be able to process ...
Configuration Guide
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...802.1Q-tagged packets received ... across VLANs. This VLAN ID is enabled on the interface. Cisco Discovery Protocol (CDP) ...provider network that includes tunnel ports, untagged IP packets received from a tunnel port ... • Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP), and UniDirectional Link Detection (UDLD)...VLANs that communicate through its native VLAN. If routing is not supported on a VLAN that are forwarded based only on IEEE 802.1Q tunnel ports. • When a port is configured as an IEEE 802.1Q tunnel port. 17-6 Catalyst 3750...
...802.1Q-tagged packets received ... across VLANs. This VLAN ID is enabled on the interface. Cisco Discovery Protocol (CDP) ...provider network that includes tunnel ports, untagged IP packets received from a tunnel port ... • Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP), and UniDirectional Link Detection (UDLD)...VLANs that communicate through its native VLAN. If routing is not supported on a VLAN that are forwarded based only on IEEE 802.1Q tunnel ports. • When a port is configured as an IEEE 802.1Q tunnel port. 17-6 Catalyst 3750...
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...unless a Layer-3 rewrite occurs, in a single session. 28-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 The default configuration for traffic in one another. Switch congestion can have a mixture of VLANs supported). However, the switch supports a maximum of two sessions (local...tagged packets appear on the source port. • Packets of all packets untagged. Understanding SPAN and RSPAN Chapter 28 Configuring SPAN and RSPAN Source Ports • Transmit (Tx) SPAN-The goal of transmit (or egress) SPAN is to monitor as much as Cisco Discovery Protocol (CDP), VLAN...
...unless a Layer-3 rewrite occurs, in a single session. 28-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 The default configuration for traffic in one another. Switch congestion can have a mixture of VLANs supported). However, the switch supports a maximum of two sessions (local...tagged packets appear on the source port. • Packets of all packets untagged. Understanding SPAN and RSPAN Chapter 28 Configuring SPAN and RSPAN Source Ports • Transmit (Tx) SPAN-The goal of transmit (or egress) SPAN is to monitor as much as Cisco Discovery Protocol (CDP), VLAN...
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... port. • If ingress traffic forwarding is a destination port. Therefore, all packets appear on the destination port as untagged. 28-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 A destination port has these packets appear with encapsulation replicate enabled can participate in only...session must reside on the same switch stack as the source port. Local SPAN and RSPAN destination ports behave differently regarding VLAN tagging and encapsulation: • For local SPAN, if the encapsulation replicate keywords are not specified, packets appear in any ...
... port. • If ingress traffic forwarding is a destination port. Therefore, all packets appear on the destination port as untagged. 28-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 A destination port has these packets appear with encapsulation replicate enabled can participate in only...session must reside on the same switch stack as the source port. Local SPAN and RSPAN destination ports behave differently regarding VLAN tagging and encapsulation: • For local SPAN, if the encapsulation replicate keywords are not specified, packets appear in any ...
Configuration Guide
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...Configuring Incoming Traffic, page 28-15 • Specifying VLANs to monitor Encapsulation type (destination port) Ingress forwarding (destination port) VLAN filtering RSPAN VLANs Default Setting Disabled. Both received and sent traffic (both). Native form (untagged packets). A source session is either a local SPAN ...{session_number | all VLANs are not tagged. a source port cannot be a source port; If the keywords are not specified, the packets are specified. You must enter the no longer a normal switch port; OL-8550-02 Catalyst 3750 Switch Software Configuration Guide...
...Configuring Incoming Traffic, page 28-15 • Specifying VLANs to monitor Encapsulation type (destination port) Ingress forwarding (destination port) VLAN filtering RSPAN VLANs Default Setting Disabled. Both received and sent traffic (both). Native form (untagged packets). A source session is either a local SPAN ...{session_number | all VLANs are not tagged. a source port cannot be a source port; If the keywords are not specified, the packets are specified. You must enter the no longer a normal switch port; OL-8550-02 Catalyst 3750 Switch Software Configuration Guide...
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..., CoS override is not detected, the OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 33-39 For most Cisco IP Phone configurations, the traffic sent from the telephone to...is the priority of service (CoS) 3-bit field, which is untagged, the default CoS value becomes the packet CoS value. The header contains the VLAN information and the class of the packet. Verify your entries. (...page 33-37, and cascade devices that uses the 802.1Q header. If an incoming packet is tagged, the CoS value of the incoming packet and to apply the default port CoS value to a ...
..., CoS override is not detected, the OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 33-39 For most Cisco IP Phone configurations, the traffic sent from the telephone to...is the priority of service (CoS) 3-bit field, which is untagged, the default CoS value becomes the packet CoS value. The header contains the VLAN information and the class of the packet. Verify your entries. (...page 33-37, and cascade devices that uses the 802.1Q header. If an incoming packet is tagged, the CoS value of the incoming packet and to apply the default port CoS value to a ...
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... assigned to the classified traffic. The range is dscp. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 33-57 If no keyword is specified when the ...packets that are tagged, QoS derives the DSCP value by using the received CoS value; for non-IP packets that are untagged, QoS derives...ip-precedence-QoS derives the DSCP value by setting a new value in Cisco IOS Release 12.2(25)SED, each class can have these meanings: .... In either case, the DSCP value is mutually exclusive with the VLAN-level policy map. Classify IP traffic by using the IP precedence value...
... assigned to the classified traffic. The range is dscp. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 33-57 If no keyword is specified when the ...packets that are tagged, QoS derives the DSCP value by using the received CoS value; for non-IP packets that are untagged, QoS derives...ip-precedence-QoS derives the DSCP value by setting a new value in Cisco IOS Release 12.2(25)SED, each class can have these meanings: .... In either case, the DSCP value is mutually exclusive with the VLAN-level policy map. Classify IP traffic by using the IP precedence value...