Hottest Questions This Month

19

votes

7

answers

6k

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Why can I traceroute to this IP address, but not ping?

answered Jun 12 at 1:57 Michael Hubbard 1

16

votes

2

answers

5k

views

What is “industrial ethernet”?

ethernet

modified 4 hours ago Raúl Salinas-Monteagudo 101

8

votes

6

answers

4k

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Could IPv6 make NAT / port numbers redundant?

ip nat ipv6 protocol-theory transport-protocol

modified May 30 at 0:30 Tobiq 141

8

votes

5

answers

2k

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Cascading Switches. Will it affect performance?

cisco switch network design

modified Jun 6 at 12:21 Mike Pennington 27.7k

6

votes

1

answer

1k

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Cisco 3750X Power Cable

cisco switch cisco-3750 power

answered May 20 at 14:08 Ron Trunk 43.8k

5

votes

2

answers

805

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BGP convergence issue

cisco routing bgp

modified Jun 4 at 11:40 MindlessTux 1

3

votes

2

answers

364

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Benefits of employing devices that support vlan trunking

vlan

modified May 31 at 7:21 JFL 13.1k

4

votes

2

answers

70

views

Is there a way to find out what user performed the last configuration on an interface?

cisco

modified Jun 6 at 16:35 YLearn♦ 23.5k

2

votes

2

answers

217

views

What are neighboring ports?

switch router layer2 layer3

modified Jun 7 at 13:13 Mike Pennington 27.7k

3

votes

4

answers

125

views

Carving out a /28 network and still maintaining access to parent /24 network

routing subnet design

modified Jun 1 at 11:25 Zac67 36.6k

3

votes

2

answers

112

views

Wireless Multipoint Bridging / Backhaul Gateway Antenna and AP Selection

wireless ieee-802.11

answered May 25 at 21:23 YLearn♦ 23.5k

3

votes

2

answers

66

views

Is it possible to limit a IP's traffic in gateway Juniper switch?

switch juniper networking

answered Jun 3 at 0:49 Benjamin Dale 7,694

2

votes

2

answers

53

views

What are metrics to measure the load in Cisco Routers

cisco ios-xe traffic-engineering

modified May 23 at 22:34 Marc 'netztier' Luethi 5,141

2

votes

2

answers

108

views

Fiber to copper conversion, what are the odds?

cable fiber bandwidth speed media-conversion

modified Jun 12 at 16:14 Peter Green 8,222

3

votes

2

answers

96

views

Regarding eBGP Multipath

bgp multipath

answered Jun 4 at 19:56 Yakov Sh. 11

4

votes

1

answer

117

views

Ingress filtering on edge routers and performance concerns

router network

modified May 24 at 2:12 Digos 23

5

votes

2

answers

84

views

Interface VLAN IP address not on exclude list?

cisco vlan dhcp

answered Jun 10 at 18:48 infra 1,527

2

votes

3

answers

95

views

Is it possible to build VPN remote access environment without VPN server? [closed]

vpn

answered Jun 1 at 13:49 Zac67 36.6k

1

vote

2

answers

55

views

Cisco 3750X Switch stack best practices

switching cisco-3750

modified Jun 13 at 17:53 infra 1,527

4

votes

2

answers

82

views

Juniper SRX answers all ping requests instead of forwarding

networking juniper-srx network-discovery

answered May 27 at 8:21 Nufay 43

0

votes

4

answers

49

views

Confused in using the ports for trunking mode

cisco trunk

answered Jun 10 at 20:34 alejandro-zepeda 21

-2

votes

2

answers

66

views

is it ideal for a network that abandon the use of L2 switch?

routing switch broadcast

modified May 21 at 6:37 infra 1,527

-1

votes

2

answers

71

views

VPNs are working in which layer of the OSI model? [closed]

vpn osi tunnel

answered Jun 4 at 13:15 Benjamin Dale 7,694

3

votes

2

answers

39

views

Overload PAT Question

router ipv4 nat ip-address transport-protocol

modified Jun 6 at 15:44 Ron Maupin♦ 70.6k

2

votes

2

answers

102

views

NAT VLANS with same IP subnets and same IP addresses

cisco vlan nat route

modified Jun 4 at 10:38 user643684 21

-1

votes

1

answer

77

views

Cable can connect to laptop but not recognised on switch

network

modified May 27 at 22:15 David Boshton 99

4

votes

1

answer

69

views

Same Vlan Name / ID on different switches network subnet same or different?

switch vlan ipv4 subnet switching

modified May 22 at 13:58 Novice Programmer 43

1

vote

2

answers

68

views

Do we send the same packets when we send the same data?

network networking packet-analysis

answered May 24 at 4:55 Martin Rosenau 1,393

1

vote

1

answer

40

views

Is this computer a threat? On same network range, but in a workgroup

subnet network security networking network-discovery

modified May 21 at 0:47 Ron Maupin♦ 70.6k

0

votes

2

answers

84

views

How can a IP under a VLAN communicate other VLAN's IP?

cisco switch router networking route

answered May 31 at 11:17 aircraft 713

0

votes

1

answer

80

views

Capturing Wireless Network Packets

ieee-802.11

answered May 22 at 19:24 YLearn♦ 23.5k

2

votes

2

answers

76

views

BGP multi-path using loopback

cisco routing bgp cisco-nexus

modified Jun 9 at 0:37 Satish 2,020

4

votes

1

answer

43

views

Network Control Packets and QoS

qos

modified Jun 1 at 4:43 A.A 125

0

votes

1

answer

41

views

Why the Ack number is bigger than the last Seq number?

tcp networking

answered 22 hours ago naïveRSA 621

1

vote

2

answers

67

views

Traceroute showing inter-vlan routing?

routing vlan traceroute

answered Jun 10 at 16:32 infra 1,527

1

vote

1

answer

52

views

Suggestion for Weights for Weighted Round Robin

qos rfc dscp

modified Jun 2 at 20:54 Zac67 36.6k

0

votes

1

answer

49

views

Weird Wireshark protocol list (eth:ethertype:ip:data where is the “udp”?)

ethernet wireshark udp packet-analysis

answered Jun 16 at 9:27 omuffat 191

2

votes

2

answers

62

views

NAT + load sharing

cisco nat

modified Jun 1 at 5:15 infra 1,527

0

votes

2

answers

58

views

Why can't we have duplicated IPs?

routing ip ipv4 subnet arp

modified Jun 12 at 12:30 Mike Pennington 27.7k

2

votes

1

answer

57

views

Cisco nexus vpc spanning-tree port type trunk question

cisco switch cisco-nexus vpc port-channel

modified May 29 at 14:48 Marc 'netztier' Luethi 5,141

3

votes

1

answer

57

views

How do ARP requests work

arp

modified Jun 16 at 7:21 Zac67 36.6k

4

votes

1

answer

73

views

Internet speed across access points

routing switch speed

modified Jun 8 at 16:36 Zac67 36.6k

1

vote

1

answer

43

views

Why server cannot send data in TCP three-way handshaking?

tcp protocol-theory transport-protocol layer4

modified Jun 2 at 6:51 Steffen Ullrich 1,273

3

votes

1

answer

42

views

STP packets and QoS

spanning-tree qos dscp cos

answered May 29 at 9:04 user56700 1,307

2

votes

2

answers

51

views

Hub-Spoke communication with BGP

routing bgp

answered May 23 at 16:01 Ron Trunk 43.8k

0

votes

1

answer

51

views

Layer 2 and Layer 3 traffic with one cable

switch router layer2 layer3

modified 20 hours ago Zac67 36.6k

1

vote

1

answer

65

views

How does IP assignment work for servers and data centers

ip ipv4 bgp

answered Jun 4 at 5:27 Zac67 36.6k

4

votes

1

answer

50

views

Best Practice for Voice and Data VLAN on single port

vlan spanning-tree trunk switchport voice

answered Jun 7 at 15:15 Zac67 36.6k

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