Import-Route - H3C S9500 Series Command Manual

Routing switches

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Command Manual – ISIS

H3C S9500 Series Routing Switches

Use the ignore-lsp-checksum-error command to configure IS-IS to discard LSPs with

checksum errors.

Use the undo ignore-lsp-checksum-error command to configure IS-IS to ignore the

checksum error of LSP.

By default, the checksum error of LSP is ignored.

After receiving an LSP packet, the local IS-IS will calculate its checksum and compares

the result with the checksum in the LSP packet. This process is the checksum

authentication over the received LSP. By default, even if the checksum in the packet is

found not in consistent with the calculated result, the LSP is processed as normal.

However, after you configure not to ignore LSP checksum error with the

ignore-lsp-checksum-error command, the LSP packet will be discarded silently if the

checksum error is found.

# Discard the LSPs with checksum errors.

[H3C-isis] ignore-lsp-checksum-error

1.1.19 import-route

import-route protocol [ cost value | type { external | internal } | [ level-1 | level-1-2 |

level-2 ] | route-policy route-policy-name ]*

undo import-route protocol [ cost value | type { external | internal } | [ level-1 |

level-1-2 | level-2 ] | route-policy route-policy-name ]*

protocol: Redistributes routes from the specified routing protocol, which can be direct,

static, rip, bgp, ospf, nat, ospf-ase, ospf-nssa, or isis. When routes are redistributed

from BGP, the allow-ibgp keyword can be specified to redistribute IBGP routes.

value: Specifies the metric for redistributed routes, ranging from 0 to 63.

type: Type of routing cost: internal indicates the routing cost in the same area;

external indicates the routing cost among areas. By default, the routing cost is

Chapter 1 IS-IS Configuration Commands

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