The maximum number of VTY user interfaces on S series switches

5

S series switches (except S1700) support the maximum number of VTY user interfaces:
The switch defaults up to 5 VTY users online at the same time. You can use the user-interface maximum-vty command to configure up to 15 VTY users to be online at the same time.

When the maximum number of VTY user interfaces is 0, no user (including network management users) can log in to the switch.

Other related questions:
Maximum number of ACLs supported by S series switches
Sorry, I cannot answer this question. For details about product specifications, click http://e.huawei.com/en/service-hotline to look up the contact method of your local customer service engineers.

Interface numbering of cards on S series switches
The numbering rules for interfaces are as follows. Before the clustering function is enabled, interfaces on the switch are numbered in the format of slot ID/subcard ID/interface sequence number. After the clustering function is enabled, interfaces on the switch are numbered in the format of chassis ID/slot ID/subcard ID/interface sequence number. - Chassis ID: indicates the ID of a member switch in the CSS system, with the value of 1 or 2. - Slot ID: indicates the slot where a card is installed. - Subcard ID: indicates the ID of a subcard on the LPU. - Interface sequence number: indicates the number of each interface on the card. For example, if a card is installed in slot 3 of a switch, the fifth interface from left to right and top to bottom on the card is numbered 3/0/4. If the clustering function is enabled and the cluster ID is 1, the interface is numbered 1/3/0/4. Particularly, a 40GE interface can be split into four 10GE interfaces. Then, the numbering rules for interfaces are as follows: If the 40GE interface is numbered 40GE x/y/0/n, the four converted 10GE interfaces are numbered 10GE x/y/1/(4n+z). - x: indicates the chassis ID, that is, the cluster ID. The value exists only in a cluster. - y: indicates the slot number of a card. - n: indicates the sequence number of a 40GE interface, starting from 0. - z: indicates the interface location. The value is in the range from 0 to 3. For example, before the clustering function is enabled, a 40GE interface is numbered 40GE1/0/1. The four 10GE interfaces are numbered 10GE1/1/4, 10GE1/1/5, 10GE1/1/6, and 10GE1/1/7.

How many VTY user interfaces does a switch support
By default, a switch allows a maximum of five VTY users at a time. You can set the maximum number of VTY users allowed using the user-interface maximum-vty command. This maximum number can be set to 15 at most (a maximum of 15 VTY users allowed). When the maximum number of VTY user interfaces is set to 0, no user (even NMS user) can log in to the switch.

What is the maximum number of VLANs supported on S series switches
Hi, I cannot answer this question. For details about product specifications, please dial 4008229999 to consult Huawei technical support.

Set the maximum number of routes imported by OSPF on S series switches
On S series switches, when the number of external LSAs (Type 5 and Type 7 LSAs) imported by OSPF exceeds the limit allowed by overflow, the excessive external LSAs cannot be processed properly and are discarded. To address the problem, run the lsdb-overflow-limit command in the OSPF process view to set the maximum of external LSAs in an LSDB. By default, the maximum number of external LSAs in the LSDB is not set. For example, set the maximum number of external LSAs in an LSDB to 400000 as follows: [HUAWEI] ospf 100 [HUAWEI-ospf-100] lsdb-overflow-limit 400000

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