Category: Network Administration

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Switch(Cisco) Port Security

SwitchA(config)# int fa 0/1 SwitchA(config)# switchport port-security SwitchA(config)# switchport port-security maximum 2 [2 mac allowed] SwitchA(config)# switchport port-security mac-address sticky SwitchA(config)# int fa 0/1 SwitchA(config)# switchpropt mode access SwitchA(config)# switchport port-security SwitchA(config)# switchport port-security...

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BGP Regular Expressions

BGP Regular Expressions ? repeats the previous character one or zero times. * repeats the previous character zero or many times. + repeats the previous character one or more times. ^ matches the beginning...

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eBGP peering protection

eBGP peering protection if prefixes exceed 1000 then neighbor-ship will reset and after reach 75% will give warning IOS: router bgp 100 address-family ipv4 neighbor 100.3.0.1 maximum-prefix 1000 restart 3 address-family ipv6 neighbor 2001:100:3::1...

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FRR ISIS Cisco

ISIS FRR cisco IOS: router isis 109 net 49.0109.0000.0004.00 fast-reroute per-prefix level-2 all XR: interface GigabitEthernet0/0/0/0 fast-reroute per-prefix interface GigabitEthernet0/0/0/1 fast-reroute per-prefix

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BGP TTL Security

Cisco XR os: RP/0/0/CPU0:RTR#sh running-config router bgp […] router bgp 300 neighbor 19.3.0.1 remote-as 19 ttl-security […] Cisco IOS: RTR#sh running-config | s router bgp router bgp 300 […] neighbor 19.3.0.13 remote-as 19 neighbor...

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OSPF LFA Fast Reroute (FRR)

#OSPF #LFA #Fast Reroute(#FRR) Output: in this output we will found some route which indicates (!), it means backup path RP/0/0/CPU0:R6#show route 5.5.5.5 Thu Jun 6 16:26:59.983 UTC Routing entry for 5.5.5.5/32 Known via...

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IPV6 Address planning

For download IPV6 Address Planning Chart https://drive.google.com/drive/folders/1kJszlTvNlLLT3XEzekgETv5z28_WrC9D?usp=sharing 2001:0db8:0000:0000:0000:0000:0000:0000 |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||128 Single end-points and loopback |||| |||| |||| |||| |||| ||||...

Cisco vs Huawei Command 0

Cisco vs Huawei Command

Cisco vs Huawei Commands Cisco Huawei EXEC mode user view traceroute tracert terminal length 0 screen-length 0 temporary show display show version display version show history-command display history-command show interfaces display interface show ip...

Advanced Unified MPLS

Configuration steps Configure NTTN IP addressing, IGP,BGP, MPLS, Unified MPLS Configure ISPs IP addressing, IGP,BGP, MPLS Configure NTTN’S clients Configure ISP’s clients Configure Inter AS MPLS Option A,B,C R1-P1-RR1 en conf t hostname R1-P1-RR1...