AMINUL ISLAM SHAMIM

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office [2023/03/29 08:20] – sysadmoffice [2023/07/19 07:55] – sysadm
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 +  * Destination IP table:
 +  *  
 +  * Name
 +  * IP
 +  * Expected Latency(ms)
 +  * EAST-BING
 +  * 13.107.21.200
 +  * 45
 +  * EAST-TWITTER
 +  * 117.18.232.102
 +  * 45
 +  * EAST-ZENLAYER
 +  * 129.227.71.27
 +  * 70
 +  * EAST-FAR-EDGECAST
 +  * 117.18.232.184
 +  * 45
 +  * INDIA-AKAMAI
 +  * 23.9.65.23
 +  * 40
 +  * WEST-UK-VIJU-CLOUD
 +  * 176.58.109.199
 +  * 185
 +  * WEST-USA-IMO
 +  * 192.12.31.101
 +  * 300
 +  * WEST-UK-TELEGRAM
 +  * 149.154.167.151
 +  * 185
 +  * WEST-UK-AMAZON
 +  * 54.239.34.171
 +  * 200
 +
 +
   *    * 
   * CLR LINK P2P check    * CLR LINK P2P check 
Line 195: Line 229:
   * The Optical Match Result    : Normal   * The Optical Match Result    : Normal
   * The Vendor Private Information : NA   * The Vendor Private Information : NA
 +
 +
 +
 +
 +  * as-path-set CHINA-TELECOM-EQUINIX-AS-BLOCK
 +  *   ios-regex '^12345_',
 +  *   ios-regex '^32934_',
 +  *   ios-regex '^15169_',
 +  *   ios-regex '^174_',
 +  *   ios-regex '^7473_',
 +  *   ios-regex '^9498_',
 +  *   ios-regex '^6453_',
 +  *   ios-regex '^132602_',
 +  *   ios-regex '^64074_',
 +  *   ios-regex '^132884_',
 +  *  // ios-regex '^_'//
 +  * end-set
 +  * !
 +
 +
 +  * display  ip as-path-filter BTTB-RAMNA-AS-IN
 +  * As path filter name: BTTB-RAMNA-AS-IN
 +  *     index: 10            permit     ^17494$
 +  *     index: 20            permit     ^17494 63932_
 +  *     index: 30            permit     ^17494 133890_
 +  *     index: 40            permit     ^17494 45532_
 +  *     index: 50            permit     ^136759_ 
 +
 +
 +  * RP/0/RP0/CPU0:SINEQCR-01#show running-config interface TenGigE0/0/0/0
 +  * Tue Mar 14 19:54:47.955 BDT
 +  * interface TenGigE0/0/0/0
 +  * description @@ SMW5-LINK20-TO-UTTARA-AGG-VIA-EQUINIX-SG3-SMW5-BSCCL-SCL @@
 +  * ipv4 address 103.199.87.72 255.255.255.254
 +  * ipv6 address 2405:1500:0:2::33d/126
 +  * ipv6 enable
 +  * **carrier-delay up 20000 down 20000**
 +  * shutdown
 +  * load-interval 30
 +  * ipv4 access-group BTRC-NEW-BLOCK ingress
 +  * ipv4 access-group BTRC-NEW-BLOCK egress
 +  * !
 +
 +The hold up time and hold down time can be used to prevent routing loops and to improve the stability of the network. For example, if a router has a hold up time of 10 seconds and a hold down time of 20 seconds, and it declares a neighbor down, it will wait 10 seconds for a hello packet from the neighbor before declaring the neighbor down. If the router does not receive a hello packet from the neighbor within 10 seconds, it will wait 20 seconds before trying to re-establish the neighbor adjacency. This helps to prevent routing loops from occurring if the neighbor is only temporarily unavailable.
 +
 +The hold up time and hold down time can also be used to improve the stability of the network by preventing flapping. Flapping occurs when a routing loop is created and then broken, and then created again. This can happen if a router is constantly declaring neighbors down and then up again. The hold up time and hold down time can help to prevent flapping by preventing a router from declaring a neighbor down too quickly.
 +
 +
 +  * interface Ethernet1/21
 +  *   description ICC-NIX_TO-ODF-1 T5 P12_iccc_160220_022_ic
 +  *   switchport access vlan 777
 +  *   spanning-tree guard root
 +  *   switchport port-security
 +  *   switchport port-security mac-address C4AD.3468.6AC2
 +  *   no shutdown
 +
 +---------------spanning -------------------
 +
 +show  running-config | i spann
 +no spanning-tree vlan 1565,1933,2389,2463,3029,3442,3826
 +DHUTRCLSW-01# show  running-config | i spa
 +no spanning-tree vlan 1565,1933,2389,2463,3029,3442,3826
 +
 +HUTRCLSW-01(config)# no spanning-tree vlan 1467,1565,1933,2389,2463,3029,3442,3826
 +
 +----------------------------------------Cisco Nexus L2 Switch port-channel configure ---switchport-- 
 +
 +  * DHDHNCLSW-02# show running-config interface port-channel 1
 +  * 
 +  * !Command: show running-config interface port-channel1
 +  * !Running configuration last done at: Wed Jul 19 12:58:46 2023
 +  * !Time: Wed Jul 19 13:53:30 2023
 +  * 
 +  * version 9.3(4) Bios:version 07.66 
 +  * 
 +  * interface port-channel1
 +  *   description TO-PALTAN SW1
 +  *   switchport
 +  *   switchport mode trunk
 +  *   switchport trunk allowed vlan 9,12-14
 +  * 
 +  * DHDHNCLSW-02# 
 +  * DHDHNCLSW-02# show running-config interface Eth1/53
 +  * 
 +  * !Command: show running-config interface Ethernet1/53
 +  * !Running configuration last done at: Wed Jul 19 12:58:46 2023
 +  * !Time: Wed Jul 19 13:54:01 2023
 +  * 
 +  * version 9.3(4) Bios:version 07.66 
 +  * 
 +  * interface Ethernet1/53
 +  *   description TO-PALTAN SW1-port-100GE1/4/8,siig_230521_003_ic&siig_230521_004_ic#-DHN-ODF-03-T-1-P-9&10
 +  *   switchport
 +  *   switchport mode trunk
 +  *   switchport trunk allowed vlan 9,12-14
 +  *   channel-group 1 mode active
 +  *   no shutdown
 +  * 
 +  * DHDHNCLSW-02# 
 +  * DHDHNCLSW-02# show running-config interface Eth1/54
 +  * 
 +  * !Command: show running-config interface Ethernet1/54
 +  * !Running configuration last done at: Wed Jul 19 12:58:46 2023
 +  * !Time: Wed Jul 19 13:54:08 2023
 +  * 
 +  * version 9.3(4) Bios:version 07.66 
   *    * 
 +  * interface Ethernet1/54
 +  *   description TO-PALTAN SW1-port-100GE1/4/7,siig_230521_001_ic&&siig_230521_002_ic-DHN-ODF-03-T-1-P-7,8
 +  *   switchport
 +  *   switchport mode trunk
 +  *   switchport trunk allowed vlan 9,12-14
 +  *   channel-group 1 mode active
 +  *   no shutdown
 +  *   
 +----------------------
office.txt · Last modified: 2024/05/05 16:51 by sysadm